Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 53,841	$ 84,410	$ 52,646
Other comprehensive income (loss) before tax:
Unrealized gain (loss) on securities available-for-sale	20,622	(9,651)	2,276
Realized gain on sale of securities available-for-sale	8,274	0	6,896
Unrealized (loss) gain on cash flow hedges	(921)	524	494
Other comprehensive income (loss) before taxes	11,427	(9,127)	(4,126)
Income tax effect	(1,472)	1,113	(419)
Other comprehensive income (loss), after taxes	9,955	(8,014)	(4,545)
Comprehensive income	$ 63,796	$ 76,396	$ 48,101

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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