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Condensed Parent Only Financial Information Condensed Income Statement (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
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
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net interest expense | $ 16,753 | $ 15,295 | $ 15,741 | $ 15,539 | $ 14,912 | $ 14,610 | $ 14,188 | $ 14,930 | $ 63,328 | $ 58,640 | $ 46,130
Non-interest income |  |  |  |  |  |  |  |  |  |  |
Total non-interest income | 3,931 | 3,640 | 5,823 | 4,594 | 4,935 | 4,102 | 4,126 | 3,848 | 17,988 | 17,011 | 10,103
Non-interest expense | 14,523 | 15,753 | 13,458 | 12,699 | 11,684 | 11,984 | 11,974 | 11,732 | 56,433 | 47,374 | 33,775
Loss before income tax benefit and equity in undistributed net income of consolidated subsidiaries | 5,167 | (355) | 5,344 | 6,909 | 6,268 | 6,441 | 5,820 | 6,362 | 17,065 | 24,891 | 21,222
Income tax benefit | (1,199) | 3,020 | (1,621) | (2,356) | (2,185) | (2,060) | (1,962) | (2,170) | 2,156 | 8,377 | 7,083
Net income | $ 3,968 | $ 2,665 | $ 3,723 | $ 4,553 | $ 4,083 | $ 4,381 | $ 3,858 | $ 4,192 | 14,909 | 16,514 | 14,139
Parent company |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net interest expense |  |  |  |  |  |  |  |  | 2,799 | 2,777 | 2,071
Non-interest income |  |  |  |  |  |  |  |  |  |  |
Consulting and rental income from consolidated subsidiaries |  |  |  |  |  |  |  |  | 16,036 | 13,398 | 10,776
Other |  |  |  |  |  |  |  |  | 33 | 35 | 34
Total non-interest income |  |  |  |  |  |  |  |  | 16,069 | 13,433 | 10,810
Non-interest expense |  |  |  |  |  |  |  |  | 19,250 | 16,854 | 13,444
Loss before income tax benefit and equity in undistributed net income of consolidated subsidiaries |  |  |  |  |  |  |  |  | 5,980 | 6,198 | 4,705
Income tax benefit |  |  |  |  |  |  |  |  | 2,170 | 2,527 | 1,659
Loss before equity in undistributed net income of consolidated subsidiaries |  |  |  |  |  |  |  |  | 3,810 | 3,671 | 3,046
Equity in undistributed net income of consolidated subsidiaries |  |  |  |  |  |  |  |  | 18,719 | 20,185 | 17,185
Net income |  |  |  |  |  |  |  |  | $ 14,909 | $ 16,514 | $ 14,139

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