Fair Value (Details) - USD ($)
$ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
$ 0
|
$ 7,368
|
| Available-for-sale securities, at fair value |
1,371,111
|
1,385,684
|
| Other borrowings, fair value |
0
|
10,576
|
| Obligations of U.S. Government Sponsored Entities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
0
|
6,601
|
| Available-for-sale securities, at fair value |
526,696
|
552,893
|
| Obligations of U.S. States and Political Subdivisions [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
84,681
|
84,726
|
| Residential Mortgage-Backed Securities U.S. Government Agencies [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
161,749
|
94,678
|
| Residential Mortgage-Backed Securities Non-U.S. Government Agencies or Sponsored Entities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
126
|
194
|
| U.S. corporate Debt Securities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
2,162
|
2,162
|
| Equity Securities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
944
|
934
|
| Residential Mortgage-Backed Securities U.S. Government Sponsored Entities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
0
|
767
|
| Available-for-sale securities, at fair value |
594,753
|
650,097
|
| Recurring [Member] | Level 1 [Member] | Other Borrowings [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Other borrowings, fair value |
|
0
|
| Recurring [Member] | Level 2 [Member] | Other Borrowings [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Other borrowings, fair value |
|
10,576
|
| Recurring [Member] | Level 3 [Member] | Other Borrowings [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Other borrowings, fair value |
|
0
|
| Recurring [Member] | Obligations of U.S. Government Sponsored Entities [Member] | Level 1 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
|
0
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Obligations of U.S. Government Sponsored Entities [Member] | Level 2 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
|
6,601
|
| Available-for-sale securities, at fair value |
526,696
|
552,893
|
| Recurring [Member] | Obligations of U.S. Government Sponsored Entities [Member] | Level 3 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
|
0
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Obligations of U.S. States and Political Subdivisions [Member] | Level 1 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Obligations of U.S. States and Political Subdivisions [Member] | Level 2 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
84,681
|
84,726
|
| Recurring [Member] | Obligations of U.S. States and Political Subdivisions [Member] | Level 3 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Residential Mortgage-Backed Securities U.S. Government Agencies [Member] | Level 1 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Residential Mortgage-Backed Securities U.S. Government Agencies [Member] | Level 2 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
161,749
|
94,678
|
| Recurring [Member] | Residential Mortgage-Backed Securities U.S. Government Agencies [Member] | Level 3 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Residential Mortgage-Backed Securities Non-U.S. Government Agencies or Sponsored Entities [Member] | Level 1 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Residential Mortgage-Backed Securities Non-U.S. Government Agencies or Sponsored Entities [Member] | Level 2 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
126
|
194
|
| Recurring [Member] | Residential Mortgage-Backed Securities Non-U.S. Government Agencies or Sponsored Entities [Member] | Level 3 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | U.S. corporate Debt Securities [Member] | Level 1 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | U.S. corporate Debt Securities [Member] | Level 2 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
2,162
|
2,162
|
| Recurring [Member] | U.S. corporate Debt Securities [Member] | Level 3 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Equity Securities [Member] | Level 1 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Equity Securities [Member] | Level 2 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Equity Securities [Member] | Level 3 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
944
|
934
|
| Recurring [Member] | Residential Mortgage-Backed Securities U.S. Government Sponsored Entities [Member] | Level 1 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
|
0
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Residential Mortgage-Backed Securities U.S. Government Sponsored Entities [Member] | Level 2 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
|
767
|
| Available-for-sale securities, at fair value |
594,753
|
650,097
|
| Recurring [Member] | Residential Mortgage-Backed Securities U.S. Government Sponsored Entities [Member] | Level 3 [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
|
0
|
| Available-for-sale securities, at fair value |
0
|
0
|
| Recurring [Member] | Fair Value [Member] | Other Borrowings [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Other borrowings, fair value |
|
10,576
|
| Recurring [Member] | Fair Value [Member] | Obligations of U.S. Government Sponsored Entities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
|
6,601
|
| Available-for-sale securities, at fair value |
526,696
|
552,893
|
| Recurring [Member] | Fair Value [Member] | Obligations of U.S. States and Political Subdivisions [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
84,681
|
84,726
|
| Recurring [Member] | Fair Value [Member] | Residential Mortgage-Backed Securities U.S. Government Agencies [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
161,749
|
94,678
|
| Recurring [Member] | Fair Value [Member] | Residential Mortgage-Backed Securities Non-U.S. Government Agencies or Sponsored Entities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
126
|
194
|
| Recurring [Member] | Fair Value [Member] | U.S. corporate Debt Securities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
2,162
|
2,162
|
| Recurring [Member] | Fair Value [Member] | Equity Securities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Available-for-sale securities, at fair value |
944
|
934
|
| Recurring [Member] | Fair Value [Member] | Residential Mortgage-Backed Securities U.S. Government Sponsored Entities [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Trading securities, fair value |
|
767
|
| Available-for-sale securities, at fair value |
$ 594,753
|
$ 650,097
|