Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Statement Of Other Comprehensive Income [Abstract]      
Net income $ 18,694 $ 11,555 $ 10,051
Unrealized gains (losses) on securities AFS:      
Net unrealized holding gains (losses) arising during the period (5,999) 540 939
Reclassification adjustment for net gains included in net income (78) (625) (341)
Income tax benefit (expense) 2,370 34 (233)
Total other comprehensive income (loss) (3,707) (51) 365
Comprehensive income $ 14,987 $ 11,504 $ 10,416