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PARENT COMPANY - Condensed Income Statement (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Interest expense |  |  |  |  |  |  |  |  |  |  |
Note payable |  |  |  |  |  |  |  |  | $ 906 | $ 1,061 | $ 932
Junior subordinated debt |  |  |  |  |  |  |  |  | 322 | 266 | 217
Total interest expense | $ 2,201 | $ 2,318 | $ 2,201 | $ 2,165 | $ 2,244 | $ 2,178 | $ 2,055 | $ 1,928 | 8,885 | 8,405 | 7,654
Net interest income (expense) | 28,165 | 27,251 | 26,525 | 25,833 | 25,767 | 25,517 | 25,387 | 24,875 | 107,774 | 101,546 | 97,871
Noninterest income |  |  |  |  |  |  |  |  |  |  |
Other |  |  |  |  |  |  |  |  | 1,847 | 2,581 | 1,559
Total noninterest income | 3,144 | 4,086 | 3,526 | 3,448 | 4,400 | 3,551 | 3,572 | 4,226 | 14,204 | 15,749 | 14,967
Noninterest expense |  |  |  |  |  |  |  |  |  |  |
Salaries and employee benefits |  |  |  |  |  |  |  |  | 48,573 | 44,239 | 41,601
Net occupancy expense |  |  |  |  |  |  |  |  | 9,151 | 10,100 | 9,844
Data processing |  |  |  |  |  |  |  |  | 2,629 | 2,484 | 2,416
Printing, stationery and office |  |  |  |  |  |  |  |  | 1,480 | 1,537 | 1,573
Professional and director fees |  |  |  |  |  |  |  |  | 3,105 | 2,481 | 2,462
Merger expense |  |  |  |  |  |  |  |  |  |  | 1,374
Other expenses |  |  |  |  |  |  |  |  | 4,611 | 4,096 | 3,078
Total noninterest Expense | 21,989 | 19,017 | 18,859 | 18,427 | 18,638 | 18,030 | 18,768 | 18,066 | 78,292 | 73,502 | 70,961
Net income before income tax expense | 8,270 | 13,974 | 11,886 | 9,894 | 10,879 | 9,813 | 9,216 | 9,310 | 44,024 | 39,218 | 34,927
Income tax benefit | 6,313 | 3,927 | 3,181 | 3,032 | 3,322 | 3,032 | 2,845 | 2,811 | 16,453 | 12,010 | 10,791
Net income | $ 1,957 | $ 10,047 | $ 8,705 | $ 6,862 | $ 7,557 | $ 6,781 | $ 6,371 | $ 6,499 | 27,571 | 27,208 | 24,136
Parent Company |  |  |  |  |  |  |  |  |  |  |
Interest income |  |  |  |  |  |  |  |  |  |  |
Other |  |  |  |  |  |  |  |  | 142 | 120 | 10
Interest expense |  |  |  |  |  |  |  |  |  |  |
Note payable |  |  |  |  |  |  |  |  | 906 | 1,061 | 932
Junior subordinated debt |  |  |  |  |  |  |  |  | 322 | 266 | 217
Total interest expense |  |  |  |  |  |  |  |  | 1,228 | 1,327 | 1,149
Net interest income (expense) |  |  |  |  |  |  |  |  | (1,086) | (1,207) | (1,139)
Noninterest income |  |  |  |  |  |  |  |  |  |  |
Dividend income from subsidiary |  |  |  |  |  |  |  |  | 8,806 | 12,250 | 30,400
Other |  |  |  |  |  |  |  |  |  |  | 1,025
Total noninterest income |  |  |  |  |  |  |  |  | 8,806 | 12,250 | 31,425
Noninterest expense |  |  |  |  |  |  |  |  |  |  |
Salaries and employee benefits |  |  |  |  |  |  |  |  | 344 | 225 | 197
Net occupancy expense |  |  |  |  |  |  |  |  |  | 14 |
Data processing |  |  |  |  |  |  |  |  | 37 | 28 | 26
Printing, stationery and office |  |  |  |  |  |  |  |  | 20 | 10 | 5
Professional and director fees |  |  |  |  |  |  |  |  | 842 | 341 | 276
Merger expense |  |  |  |  |  |  |  |  |  |  | 546
Other expenses |  |  |  |  |  |  |  |  | 17 | 31 | 38
Total noninterest Expense |  |  |  |  |  |  |  |  | 1,260 | 649 | 1,088
Net income before income tax expense |  |  |  |  |  |  |  |  | 6,460 | 10,394 | 29,198
Income tax benefit |  |  |  |  |  |  |  |  | (1,518) | (639) | (326)
Income before equity in undistributed income of subsidiary |  |  |  |  |  |  |  |  | 7,978 | 11,033 | 29,524
Equity in undistributed income (loss) of subsidiary |  |  |  |  |  |  |  |  | 19,593 | 16,175 | (5,388)
Net income |  |  |  |  |  |  |  |  | $ 27,571 | $ 27,208 | $ 24,136

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