Loans and Related Allowance for Loan Losses (Narrative) (Details)
|
3 Months Ended |
9 Months Ended |
12 Months Ended |
|
Sep. 30, 2017
USD ($)
contract
|
Sep. 30, 2016
USD ($)
contract
|
Sep. 30, 2017
USD ($)
contract
|
Sep. 30, 2016
USD ($)
contract
|
Dec. 31, 2016
USD ($)
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
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| Commercial amount benchmark minimum for internal annual review |
|
|
$ 500,000
|
|
|
| Commercial amount benchmark minimum for annual review by independent reviewer |
|
|
1,000,000
|
|
|
| Commercial amount benchmark minimum criticized relationships for annual review by independent reviewer |
|
|
500,000
|
|
|
| Nonaccrual loans |
$ 11,643,000
|
|
11,643,000
|
|
$ 13,946,000
|
| Decrease in non-accrual balance due to charge-offs |
|
|
2,900,000
|
|
|
| Decrease in non-accrual balance due to movement to OREO |
|
|
800,000
|
|
|
| Redution in ALL due to change in impairment evaluation method |
|
$ 468
|
|
$ 3,341
|
|
| Loans in process of foreclosure |
500,000
|
|
$ 500,000
|
|
$ 500,000
|
| Accruing loans past due 30 days or greater as percent of loan portfolio |
|
|
0.72%
|
|
0.67%
|
| Partial Charge Off [Member] |
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|
|
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| Financing Receivable, Modifications [Line Items] |
|
|
|
|
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| Nonaccrual loans |
$ 5,600,000
|
|
$ 5,600,000
|
|
$ 11,100,000
|
| New TDR [Member] |
|
|
|
|
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| Financing Receivable, Modifications [Line Items] |
|
|
|
|
|
| Financing receivable, modifications, number of contracts | contract |
0
|
1
|
0
|
4
|
|
| Pre Existing TDR Loans Remodified After Maturity [Member] |
|
|
|
|
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| Financing Receivable, Modifications [Line Items] |
|
|
|
|
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| Financing receivable, modifications, number of contracts | contract |
1
|
|
3
|
3
|
|
| Commercial real estate- non owner-occupied [Member] |
|
|
|
|
|
| Financing Receivable, Modifications [Line Items] |
|
|
|
|
|
| Nonaccrual loans |
$ 6,535,000
|
|
$ 6,535,000
|
|
6,381,000
|
| Commercial and industrial [Member] |
|
|
|
|
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| Financing Receivable, Modifications [Line Items] |
|
|
|
|
|
| Nonaccrual loans |
$ 412,000
|
|
$ 412,000
|
|
$ 0
|