| Financing Receivables [Text Block] |
| | Allowance For Loan Losses and Credit Quality of Loans | The Company separates its loan portfolio into segments to perform the calculation and analysis of the allowance for loan losses. The six segments analyzed are Agriculture and Agricultural Real Estate, Commercial, Commercial Real Estate, Construction Real Estate, Residential Real Estate, and Consumer and Other. The Agriculture and Agricultural Real Estate segment includes all loans to finance agricultural production and all loans secured by agricultural real estate. This segment does not include loans to finance agriculture that are secured by residential real estate, which are included in the Residential Real Estate segment. The Commercial segment includes loans to finance commercial and industrial businesses that are not secured by real estate. The Commercial Real Estate segment includes loans secured by non-farm, non-residential real estate. The Construction Real Estate segment includes loans to finance construction and land development. This includes residential and commercial construction and land development. The Residential Real Estate segment includes all loans, other than construction loans, that are secured by single family and multi-family residential real estate properties. The Consumer and Other segment includes all loans not included in any other segment. These are primarily loans to consumers for household, family, and other personal expenditures, such as autos, boats, and recreational vehicles. Activity in the allowance for loan losses for the years ended December 31, 2016 and 2015 was as follows (000s omitted): | | | Agriculture and Agricultural Real Estate | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allowance for loan losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 389 | | | $ | 2,279 | | | $ | 4,350 | | | $ | 420 | | | $ | 2,235 | | | $ | 1,223 | | | $ | 10,896 | | | | | | (221 | ) | | | (26 | ) | | | (742 | ) | | | - | | | | (319 | ) | | | (155 | ) | | | (1,463 | ) | | | | | 6 | | | | 150 | | | | 194 | | | | 151 | | | | 588 | | | | 136 | | | | 1,225 | | | | | | 27 | | | | (771 | ) | | | (466 | ) | | | (46 | ) | | | (905 | ) | | | (39 | ) | | | (2,200 | ) | | | | $ | 201 | | | $ | 1,632 | | | $ | 3,336 | | | $ | 525 | | | $ | 1,599 | | | $ | 1,165 | | | $ | 8,458 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ending balance individually evaluated for impairment | | $ | 5 | | | $ | 199 | | | $ | 129 | | | $ | 388 | | | $ | 236 | | | $ | 184 | | | $ | 1,141 | | Ending balance collectively evaluated for impairment | | | 196 | | | | 1,433 | | | | 3,207 | | | | 137 | | | | 1,363 | | | | 981 | | | | 7,317 | | | | | $ | 201 | | | $ | 1,632 | | | $ | 3,336 | | | $ | 525 | | | $ | 1,599 | | | $ | 1,165 | | | $ | 8,458 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ending balance individually evaluated for impairment | | $ | 1,212 | | | $ | 355 | | | $ | 6,853 | | | $ | 1,717 | | | $ | 7,098 | | | $ | 476 | | | $ | 17,711 | | Ending balance collectively evaluated for impairment | | | 20,306 | | | | 96,406 | | | | 245,316 | | | | 17,737 | | | | 209,338 | | | | 45,523 | | | | 634,626 | | | | | $ | 21,518 | | | $ | 96,761 | | | $ | 252,169 | | | $ | 19,454 | | | $ | 216,436 | | | $ | 45,999 | | | $ | 652,337 | | | | | Agriculture and Agricultural Real Estate | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allowance for loan losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 216 | | | $ | 1,361 | | | $ | 6,179 | | | $ | 803 | | | $ | 3,226 | | | $ | 1,423 | | | $ | 13,208 | | | | | | (188 | ) | | | (352 | ) | | | (559 | ) | | | (2 | ) | | | (893 | ) | | | (118 | ) | | | (2,112 | ) | | | | | 325 | | | | 311 | | | | 502 | | | | 648 | | | | 863 | | | | 151 | | | | 2,800 | | | | | | 36 | | | | 959 | | | | (1,772 | ) | | | (1,029 | ) | | | (961 | ) | | | (233 | ) | | | (3,000 | ) | | | | $ | 389 | | | $ | 2,279 | | | $ | 4,350 | | | $ | 420 | | | $ | 2,235 | | | $ | 1,223 | | | $ | 10,896 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ending balance individually evaluated for impairment | | $ | 240 | | | $ | 672 | | | $ | 634 | | | $ | 277 | | | $ | 506 | | | $ | 223 | | | $ | 2,552 | | Ending balance collectively evaluated for impairment | | | 149 | | | | 1,607 | | | | 3,716 | | | | 143 | | | | 1,729 | | | | 1,000 | | | | 8,344 | | | | | $ | 389 | | | $ | 2,279 | | | $ | 4,350 | | | $ | 420 | | | $ | 2,235 | | | $ | 1,223 | | | $ | 10,896 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ending balance individually evaluated for impairment | | $ | 882 | | | $ | 958 | | | $ | 13,398 | | | $ | 1,809 | | | $ | 7,343 | | | $ | 496 | | | $ | 24,886 | | Ending balance collectively evaluated for impairment | | | 18,361 | | | | 83,480 | | | | 229,822 | | | | 14,110 | | | | 206,646 | | | | 40,003 | | | | 592,422 | | | | | $ | 19,243 | | | $ | 84,438 | | | $ | 243,220 | | | $ | 15,919 | | | $ | 213,989 | | | $ | 40,499 | | | $ | 617,308 | | Each period the provision for loan losses in the statement of operations results from the combination of an estimate by Management of loan losses that occurred during the current period and the ongoing adjustment of prior estimates of losses occurring in prior periods. The provision for loan losses increases the allowance for loan losses, a valuation account which appears on the consolidated balance sheets. As the specific customer and amount of a loan loss is confirmed by gathering additional information, taking collateral in full or partial settlement of the loan, bankruptcy of the borrower, etc., the loan is charged off, reducing the allowance for loan losses. If, subsequent to a charge off, the Bank is able to collect additional amounts from the customer or sell collateral worth more than earlier estimated, a recovery is recorded. To serve as a basis for making this provision, the Bank maintains an extensive credit risk monitoring process that considers several factors including: current economic conditions affecting the Bank’s customers, the payment performance of individual loans and pools of homogeneous loans, portfolio seasoning, changes in collateral values, and detailed reviews of specific loan relationships. The Company utilizes an internal loan grading system to assign a risk grade to commercial loans and each credit relationship with more than $250,000 of aggregate credit exposure. Grades 10 through 45 are considered “pass” credits and grades 50 through 90 are considered “watch” credits and are subject to greater scrutiny. Loans with grades 60 and higher are considered substandard and most are evaluated for impairment. A description of the general characteristics of each grade is as follows: | | | Grade 10 – Excellent – Loans secured by marketable collateral, with adequate margin, or supported by strong financial statements. Probability of serious financial deterioration is unlikely. Possess a sound repayment source and a secondary source. This classification will also include all loans secured by certificates of deposit or cash equivalents. | | | | Grade 20 – Satisfactory – Loans that have less than average risk and clearly demonstrate adequate debt service coverage. These loans may have some vulnerability, but are sufficiently strong to have minimal deterioration if adverse factors are encountered, and are expected to be fully collectable. | | | | Grade 30 – Average – Loans that have a reasonable amount of risk and may exhibit vulnerability to deterioration if adverse factors are encountered. These loans should demonstrate adequate debt service coverage but warrant a higher level of monitoring to ensure that weaknesses do not advance. | | | | Grades 40 and 45 – Pass/Watch – Loans that are considered “pass credits” yet appear on the “watch list”. Credit deficiency or potential weakness may include a lack of current or complete financial information. The level of risk is considered acceptable so long as the loan is given additional management supervision. | | | | Grade 50 and 55 – Watch – Loans that possess some credit deficiency or potential weakness that if not corrected, could increase risk in the future. The source of loan repayment is sufficient but may be considered inadequate by the Bank’s standards. | | | | Grade 60 – Substandard – Loans that exhibit one or more of the following characteristics: (1) uncertainty of repayment from primary source and financial deterioration currently underway; (2) inadequate current net worth and paying capacity of the obligor; (3) reliance on secondary source of repayment such as collateral liquidation or guarantees; (4) distinct possibility the Bank will sustain loss if deficiencies are not corrected; (5) unusual courses of action are needed to maintain probability of repayment; (6) insufficient cash flow to repay principal but continuing to pay interest; (7) the Bank is subordinated or unsecured due to flaws in documentation; (8) loans are restructured or are on nonaccrual status due to concessions to the borrower when compared to normal terms; (9) the Bank is contemplating foreclosure or legal action due to deterioration in the loan; or (10) there is deterioration in conditions and the borrower is highly vulnerable to these conditions. | | | | Grade 70 – Doubtful – Loans that exhibit one or more of the following characteristics: (1) loans with the weaknesses of Substandard loans and collection or liquidation is not probable to result in payment in full; (2) the primary source of repayment is gone and the quality of the secondary source is doubtful; or (3) the possibility of loss is high, but important pending factors may strengthen the loan. | | | | Grades 80 and 90 - Loss – Loans are considered uncollectible and of such little value that carrying them on the Bank’s financial statements is not feasible. | The assessment of compensating factors may result in a rating plus or minus one grade from those listed above. These factors include, but are not limited to collateral, guarantors, environmental conditions, history, plan/projection reasonableness, quality of information, and payment delinquency. The portfolio segments in each credit risk grade as of December 31, 2016 and 2015 are as follows (000s omitted): | | | | Agriculture and Agricultural Real Estate | | | | | | | | | | | | | | | | | | | | | | | $ | 2 | | | $ | 1,768 | | | $ | 214 | | | $ | 9,960 | | | $ | 132,144 | | | $ | 39,114 | | | $ | 183,202 | | | | 10 | | | | - | | | | 5,787 | | | | - | | | | - | | | | - | | | | - | | | | 5,787 | | | | 20 | | | | 293 | | | | 348 | | | | 447 | | | | - | | | | - | | | | 145 | | | | 1,233 | | | | 30 | | | | 645 | | | | 17,373 | | | | 8,128 | | | | - | | | | 218 | | | | - | | | | 26,364 | | | | 40 | | | | 15,827 | | | | 63,687 | | | | 198,416 | | | | 4,211 | | | | 70,275 | | | | 6,626 | | | | 359,042 | | | | 45 | | | | 1,507 | | | | 2,142 | | | | 16,227 | | | | 2,974 | | | | 4,513 | | | | - | | | | 27,363 | | | | 50 | | | | 1,769 | | | | 4,090 | | | | 16,828 | | | | 448 | | | | 3,393 | | | | 12 | | | | 26,540 | | | | 55 | | | | 263 | | | | 927 | | | | 4,081 | | | | 1,574 | | | | 989 | | | | - | | | | 7,834 | | | | 60 | | | | 1,212 | | | | 639 | | | | 7,828 | | | | 287 | | | | 4,904 | | | | 102 | | | | 14,972 | | | | 70 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | 80 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | 90 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | $ | 21,518 | | | $ | 96,761 | | | $ | 252,169 | | | $ | 19,454 | | | $ | 216,436 | | | $ | 45,999 | | | $ | 652,337 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 20,834 | | | $ | 96,240 | | | $ | 244,816 | | | $ | 17,734 | | | $ | 208,458 | | | $ | 45,428 | | | $ | 633,510 | | | | | | 684 | | | | 521 | | | | 7,353 | | | | 1,720 | | | | 7,978 | | | | 571 | | | | 18,827 | | | | | $ | 21,518 | | | $ | 96,761 | | | $ | 252,169 | | | $ | 19,454 | | | $ | 216,436 | | | $ | 45,999 | | | $ | 652,337 | | | | | | Agriculture and Agricultural Real Estate | | | | | | | | | | | | | | | | | | | | | | | $ | 102 | | | $ | 2,173 | | | $ | 310 | | | $ | 6,789 | | | $ | 136,049 | | | $ | 32,461 | | | $ | 177,884 | | | | 10 | | | | - | | | | 2,717 | | | | - | | | | - | | | | 60 | | | | - | | | | 2,777 | | | | 20 | | | | 306 | | | | 359 | | | | 533 | | | | - | | | | - | | | | 366 | | | | 1,564 | | | | 30 | | | | 432 | | | | 17,024 | | | | 7,620 | | | | - | | | | 373 | | | | - | | | | 25,449 | | | | 40 | | | | 14,413 | | | | 55,204 | | | | 184,504 | | | | 6,548 | | | | 62,347 | | | | 7,453 | | | | 330,469 | | | | 45 | | | | 840 | | | | 1,094 | | | | 6,506 | | | | 74 | | | | 2,957 | | | | - | | | | 11,471 | | | | 50 | | | | 1,340 | | | | 3,428 | | | | 23,678 | | | | 2,163 | | | | 3,948 | | | | 18 | | | | 34,575 | | | | 55 | | | | 929 | | | | - | | | | 3,700 | | | | - | | | | - | | | | - | | | | 4,629 | | | | 60 | | | | 881 | | | | 2,439 | | | | 16,369 | | | | 345 | | | | 8,255 | | | | 201 | | | | 28,490 | | | | 70 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | 80 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | 90 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | $ | 19,243 | | | $ | 84,438 | | | $ | 243,220 | | | $ | 15,919 | | | $ | 213,989 | | | $ | 40,499 | | | $ | 617,308 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 18,362 | | | $ | 83,372 | | | $ | 228,624 | | | $ | 14,104 | | | $ | 205,430 | | | $ | 39,869 | | | $ | 589,761 | | | | | | 881 | | | | 1,066 | | | | 14,596 | | | | 1,815 | | | | 8,559 | | | | 630 | | | | 27,547 | | | | | $ | 19,243 | | | $ | 84,438 | | | $ | 243,220 | | | $ | 15,919 | | | $ | 213,989 | | | $ | 40,499 | | | $ | 617,308 | | Loans are considered past due when contractually required payment of interest or principal has not been received. The amount classified as past due is the entire principal balance outstanding of the loan, not just the amount of payments that are past due. The following is a summary of past due loans as of December 31, 2016 and 2015 (000s omitted): | | | | | | | | | | | | | | | | | | | | | Recorded Investment >=90 Days Past Due and Accruing | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Agriculture and Agricultural Real Estate | | $ | 93 | | | $ | - | | | $ | 113 | | | $ | 206 | | | $ | 21,312 | | | $ | 21,518 | | | $ | - | | | | | | 77 | | | | 46 | | | | 23 | | | | 146 | | | | 96,615 | | | | 96,761 | | | | 10 | | | | | | 708 | | | | 363 | | | | 828 | | | | 1,899 | | | | 250,270 | | | | 252,169 | | | | - | | | | | | - | | | | - | | | | - | | | | - | | | | 19,454 | | | | 19,454 | | | | - | | | | | | 1,523 | | | | 192 | | | | 1,558 | | | | 3,273 | | | | 213,163 | | | | 216,436 | | | | - | | | | | | 149 | | | | 46 | | | | - | | | | 195 | | | | 45,804 | | | | 45,999 | | | | - | | | | | $ | 2,550 | | | $ | 647 | | | $ | 2,522 | | | $ | 5,719 | | | $ | 646,618 | | | $ | 652,337 | | | $ | 10 | | | | | | | | | | | | | | | | | | | | | | | Recorded Investment >=90 Days Past Due and Accruing | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Agriculture and Agricultural Real Estate | | $ | 136 | | | $ | 213 | | | $ | 44 | | | $ | 393 | | | $ | 18,850 | | | $ | 19,243 | | | $ | - | | | | | | 10 | | | | 75 | | | | 76 | | | | 161 | | | | 84,277 | | | | 84,438 | | | | 4 | | | | | | 2,194 | | | | 230 | | | | 2,123 | | | | 4,547 | | | | 238,673 | | | | 243,220 | | | | - | | | | | | - | | | | - | | | | - | | | | - | | | | 15,919 | | | | 15,919 | | | | - | | | | | | 2,252 | | | | 227 | | | | 464 | | | | 2,943 | | | | 211,046 | | | | 213,989 | | | | - | | | | | | 130 | | | | 81 | | | | 52 | | | | 263 | | | | 40,236 | | | | 40,499 | | | | - | | | | | $ | 4,722 | | | $ | 826 | | | $ | 2,759 | | | $ | 8,307 | | | $ | 609,001 | | | $ | 617,308 | | | $ | 4 | | Loans are placed on non-accrual status when, in the opinion of Management, the collection of additional interest is doubtful. Loans are automatically placed on non-accrual status upon becoming ninety days past due, however, loans may be placed on non-accrual status regardless of whether or not they are past due. All cash received on non-accrual loans is applied to the principal balance. Loans are considered for return to accrual status on an individual basis when all principal and interest amounts contractually due are brought current and future payments are reasonably assured. The following is a summary of non-accrual loans as of December 31, 2016 and 2015 (000s omitted): | | | | | | | | Agriculture and Agricultural Real Estate | | $ | 113 | | | $ | 565 | | | | | | 169 | | | | 148 | | | | | | 1,625 | | | | 4,823 | | | | | | 31 | | | | 46 | | | | | | 2,623 | | | | 2,915 | | | | | | 95 | | | | 136 | | | | | $ | 4,656 | | | $ | 8,633 | | For loans deemed to be impaired due to an expectation that all contractual payments will probably not be received, impairment is measured by comparing the Bank’s recorded investment in the loan to the present value of expected cash flows discounted at the loan’s effective interest rate, the fair value of the collateral, or the loan’s observable market price. The following is a summary of impaired loans as of December 31, 2016 and 2015 (000s omitted): | | | | | | | | | | | | | | | Average Recorded Investment | | | | Interest Income Recognized | | | | | | | | | | | | | | | | | | | | | | | | | | | | With no related allowance recorded: | | | | | | | | | | | | | | | | | | | | | | | | | Agriculture and Agricultural Real Estate | | $ | 966 | | | | $ | 1,164 | | | | $ | - | | | | $ | 1,021 | | | | $ | 46 | | | | | | 88 | | | | | 140 | | | | | - | | | | | 123 | | | | | 10 | | | | | | 4,295 | | | | | 4,502 | | | | | - | | | | | 4,525 | | | | | 201 | | | | | | 144 | | | | | 177 | | | | | - | | | | | 171 | | | | | 9 | | | | | | 4,916 | | | | | 5,157 | | | | | - | | | | | 5,269 | | | | | 247 | | | | | | 11 | | | | | 11 | | | | | - | | | | | 14 | | | | | 1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | With an allowance recorded: | | | | | | | | | | | | | | | | | | | | | | | | | Agriculture and Agricultural Real Estate | | | 246 | | | | | 246 | | | | | 5 | | | | | 248 | | | | | 13 | | | | | | 267 | | | | | 274 | | | | | 199 | | | | | 417 | | | | | 15 | | | | | | 2,558 | | | | | 2,610 | | | | | 129 | | | | | 2,745 | | | | | 111 | | | | | | 1,573 | | | | | 1,573 | | | | | 388 | | | | | 1,591 | | | | | 73 | | | | | | 2,182 | | | | | 2,224 | | | | | 236 | | | | | 2,281 | | | | | 87 | | | | | | 465 | | | | | 465 | | | | | 184 | | | | | 482 | | | | | 23 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Agriculture and Agricultural Real Estate | | $ | 1,212 | | | | $ | 1,410 | | | | $ | 5 | | | | $ | 1,269 | | | | $ | 59 | | | | | | 355 | | | | | 414 | | | | | 199 | | | | | 540 | | | | | 25 | | | | | | 6,853 | | | | | 7,112 | | | | | 129 | | | | | 7,270 | | | | | 312 | | | | | | 1,717 | | | | | 1,750 | | | | | 388 | | | | | 1,762 | | | | | 82 | | | | | | 7,098 | | | | | 7,381 | | | | | 236 | | | | | 7,550 | | | | | 334 | | | | | | 476 | | | | | 476 | | | | | 184 | | | | | 496 | | | | | 24 | | | | | $ | 17,711 | | | | $ | 18,543 | | | | $ | 1,141 | | | | $ | 18,887 | | | | $ | 836 | | | | | | | | | | | | | | | | | Average Recorded Investment | | | | Interest Income Recognized | | | | | | | | | | | | | | | | | | | | | | | | | | | | With no related allowance recorded: | | | | | | | | | | | | | | | | | | | | | | | | | Agriculture and Agricultural Real Estate | | $ | - | | | | $ | - | | | | $ | - | | | | $ | - | | | | $ | - | | | | | | 63 | | | | | 113 | | | | | - | | | | | 76 | | | | | 5 | | | | | | 7,701 | | | | | 8,107 | | | | | - | | | | | 8,297 | | | | | 333 | | | | | | 200 | | | | | 233 | | | | | - | | | | | 243 | | | | | 14 | | | | | | 4,137 | | | | | 4,359 | | | | | - | | | | | 4,237 | | | | | 199 | | | | | | 26 | | | | | 26 | | | | | - | | | | | 28 | | | | | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | With an allowance recorded: | | | | | | | | | | | | | | | | | | | | | | | | | Agriculture and Agricultural Real Estate | | | 882 | | | | | 885 | | | | | 240 | | | | | 892 | | | | | 30 | | | | | | 895 | | | | | 916 | | | | | 672 | | | | | 1,036 | | | | | 48 | | | | | | 5,697 | | | | | 6,183 | | | | | 634 | | | | | 6,263 | | | | | 260 | | | | | | 1,609 | | | | | 1,609 | | | | | 277 | | | | | 1,627 | | | | | 74 | | | | | | 3,206 | | | | | 3,310 | | | | | 506 | | | | | 3,433 | | | | | 154 | | | | | | 470 | | | | | 468 | | | | | 223 | | | | | 485 | | | | | 22 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Agriculture and Agricultural Real Estate | | $ | 882 | | | | $ | 885 | | | | $ | 240 | | | | $ | 892 | | | | $ | 30 | | | | | | 958 | | | | | 1,029 | | | | | 672 | | | | | 1,112 | | | | | 53 | | | | | | 13,398 | | | | | 14,290 | | | | | 634 | | | | | 14,560 | | | | | 593 | | | | | | 1,809 | | | | | 1,842 | | | | | 277 | | | | | 1,870 | | | | | 88 | | | | | | 7,343 | | | | | 7,669 | | | | | 506 | | | | | 7,670 | | | | | 353 | | | | | | 496 | | | | | 494 | | | | | 223 | | | | | 513 | | | | | 24 | | | | | $ | 24,886 | | | | $ | 26,209 | | | | $ | 2,552 | | | | $ | 26,617 | | | | $ | 1,141 | | The Bank may agree to modify the terms of a loan in order to improve the Bank’s ability to collect amounts due. These modifications may include reduction of the interest rate, extension of the loan term, or in some cases, reduction of the principal balance. Modifications that are performed due to the debtor’s financial difficulties are considered Troubled Debt Restructurings (TDRs). Loans that were classified as TDRs during the years ended December 31, 2016 and December 31, 2015 are as follows (000s omitted from dollar amounts): | | | | | | | | | | | | | | Pre-Modification Recorded Principal Balance | | | Post-Modification Recorded Principal Balance | | | | | | Pre-Modification Recorded Principal Balance | | | Post-Modification Recorded Principal Balance | | Agriculture and Agricultural Real Estate | | | 1 | | | $ | 362 | | | $ | 325 | | | | 3 | | | $ | 325 | | | $ | 322 | | | | | | 1 | | | | 250 | | | | - | | | | 2 | | | | 112 | | | | 17 | | | | | | 1 | | | | 215 | | | | - | | | | 3 | | | | 684 | | | | 593 | | | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | | 9 | | | | 693 | | | | 629 | | | | 7 | | | | 581 | | | | 516 | | | | | | 1 | | | | 57 | | | | 54 | | | | - | | | | - | | | | - | | | | | | 13 | | | $ | 1,577 | | | $ | 1,008 | | | | 15 | | | $ | 1,702 | | | $ | 1,448 | | The Bank considers TDRs that become past due under the modified terms as defaulted. Loans that became TDRs during the years ended December 31, 2016 and December 31, 2015 that subsequently defaulted during the years ended December 31, 2016 and December 31, 2015, respectively, are as follows (000s omitted from dollar amounts): | | | | | | | | | | | | | | Recorded Principal Balance | | | | | | Recorded Principal Balance | | Agriculture and Agricultural Real Estate | | | - | | | $ | - | | | | 1 | | | $ | 46 | | | | | | - | | | | - | | | | - | | | | - | | | | | | - | | | | - | | | | - | | | | - | | | | | | - | | | | - | | | | - | | | | - | | | | | | - | | | | - | | | | - | | | | - | | | | | | - | | | | - | | | | - | | | | - | | | | | | - | | | $ | - | | | | 1 | | | $ | 46 | | A modification of a loan constitutes a TDR when a borrower is experiencing financial difficulty and the modification constitutes a concession. The Corporation offers various types of concessions when modifying a loan, however, forgiveness of principal is rarely granted. Commercial loans modified in a TDR often involve temporary interest-only payments, term extensions, and converting revolving credit lines to term loans. Additional collateral, a co-borrower, or a guarantor may be requested. Loans modified in a TDR are typically already on nonaccrual status and partial charge-offs have in some cases already been taken against the outstanding loan balance. As a result, loans modified in a TDR for the Corporation may have the financial effect of increasing the specific allowance associated with the loan. The allowance for impaired loans that have been modified in a TDR is measured based on the estimated fair value of the collateral, less any selling costs, if the loan is collateral dependent or on the present value of expected future cash flows discounted at the loan’s effective interest rate. Management exercises significant judgment in developing these estimates. The regulatory guidance requires loans to be accounted for as collateral-dependent loans when borrowers have filed Chapter 7 bankruptcy, the debt has been discharged and the borrower has not reaffirmed the debt, regardless of the delinquency status of the loan. The filing of bankruptcy by the borrower is evidence of financial difficulty and the discharge of the obligation by the bankruptcy court is deemed to be a concession granted to the borrower. At December 31, 2016 the Corporation had no commitments to lend additional funds to the related debtors whose terms have been modified in a TDR.
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