Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 133,055	$ 74,384	$ 92,739
Other comprehensive income (loss), net of tax:
Change in unrealized gain (loss) on available-for-sale debt securities	(17,049)	23,944	29,189
Reclassification adjustment for realized (gain) loss on the sale of available-for-sale debt securities	0	(317)	37
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, net of tax	(3,624)	(1,910)	(33)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	1,161	(5,947)	(2,262)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	1,169	3,601	100
Other comprehensive income (loss), net	(18,343)	19,371	27,031
Total comprehensive income	$ 114,712	$ 93,755	$ 119,770