CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 39,209	$ 36,105	$ 25,528
Other comprehensive income (loss):
Unrealized gains (losses) on securities available for sale, Change in unrealized gains (losses)	2,248	(1,266)	(176)
Unrealized gains (losses) on securities available for sale, Reclassification of gains recognized in net income	(7)	(5)
Unrealized gains (losses) on securities available for sale	2,241	(1,271)	(176)
Related income tax effect, Change in unrealized (gains) losses	(666)	376	72
Related income tax effect, Reclassification of gains recognized in net income	2
Related income tax effect	(664)	376	72
Total other comprehensive income (loss)	1,577	(895)	(104)
Total comprehensive income	$ 40,786	$ 35,210	$ 25,424

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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