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Other Real Estate Owned, Major Classifications of Foreclosed Properties (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Jun. 30, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Dec. 31, 2014
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Schedule of Foreclosed Properties [Line Items] |  |  |  |  |  |
Total foreclosed properties | $ 37,665 | $ 37,740 | $ 40,674 | $ 34,654 | $ 36,698 | $ 36,776
1-4 Family [Member] |  |  |  |  |  |
Schedule of Foreclosed Properties [Line Items] |  |  |  |  |  |
Total foreclosed properties | 6,793 |  | 7,493 |  |  |
Agricultural/Farmland [Member] |  |  |  |  |  |
Schedule of Foreclosed Properties [Line Items] |  |  |  |  |  |
Total foreclosed properties | 93 |  | 116 |  |  |
Construction/Land Development/Other [Member] |  |  |  |  |  |
Schedule of Foreclosed Properties [Line Items] |  |  |  |  |  |
Total foreclosed properties | 21,372 |  | 22,570 |  |  |
Multifamily [Member] |  |  |  |  |  |
Schedule of Foreclosed Properties [Line Items] |  |  |  |  |  |
Total foreclosed properties | 270 |  | 833 |  |  |
Non-farm/Non-residential [Member] |  |  |  |  |  |
Schedule of Foreclosed Properties [Line Items] |  |  |  |  |  |
Total foreclosed properties | $ 9,137 |  | $ 9,662 |  |  |

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