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Business Combinations (Details) - Schedule of Operating Results Attributable to Business Combinations - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
BUSINESS COMBINATIONS (Details) - Schedule of Operating Results Attributable to Business Combinations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net interest income | $ 33,407 | $ 33,024 | $ 32,394 | $ 31,320 | $ 30,456 | $ 29,727 | $ 28,678 | $ 28,292 | $ 130,145 | $ 117,153 | $ 79,399
Noninterest income |  |  |  |  |  |  |  |  | 9,920 | 11,173 | 7,498
Net income | $ (2,024) | $ 11,856 | $ 10,859 | $ 10,391 | $ 9,568 | $ 10,842 | $ 10,521 | $ 10,379 | $ 31,082 | $ 41,311 | 18,565
Legacy Connect One [Member] |  |  |  |  |  |  |  |  |  |  |
BUSINESS COMBINATIONS (Details) - Schedule of Operating Results Attributable to Business Combinations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net interest income |  |  |  |  |  |  |  |  |  |  | 107,988
Noninterest income |  |  |  |  |  |  |  |  |  |  | 8,244
Noninterest expense |  |  |  |  |  |  |  |  |  |  | (54,749)
Net income |  |  |  |  |  |  |  |  |  |  | $ 45,981
Pro forma earnings per share from continuing operations: |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  | $ 1.55
Diluted |  |  |  |  |  |  |  |  |  |  | $ 1.53

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