Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 9,999	$ 13,316
Other Comprehensive Income [Abstract]
Unrealized gains (losses) on available-for-sale securities, net of taxes of $1,139 and $(3,123) for three months ended March 31, 2020 and 2019, respectively.	(2,789)	7,645
Amortized holding losses on held-to-maturity securities transferred from available-for-sale, net of taxes of $(5) and$(8) for three months ended March 31, 2020 and 2019, respectively.	15	21
Less: reclassification adjustment for realized gains included in net income, net of taxes of $154 and $16 for three months ended March 31, 2020 and 2019, respectively.	(377)	(38)
Other comprehensive income (loss), net of taxes	(3,151)	7,628
Comprehensive income	$ 6,848	$ 20,944