CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 22,944	$ 22,628	$ 88,073	$ 48,417
Available-for-sale securities:
Unrealized gains (losses) on available-for-sale securities, net of tax benefit of $1.3 million and tax benefit of $4.3 million for the three and nine months ended September 30, 2021, respectively, and tax expense of $0.4 million and tax expense of $4.0 million for the three and nine months ended September 30, 2020, respectively	(4,459)	1,890	(15,014)	16,024
Amortization of unrealized gains and losses on securities transferred to held-to-maturity, net of tax expense of $5 thousand and $16 thousand for the three and nine months ended September 30, 2021, respectively, and tax expense of $12 thousand and $36 thousand for the three and nine months ended September 30, 2020, respectively	21	43	65	137
Reclassification adjustment for losses (gains) included in net income, net of tax benefit of $0 and $19 thousand for the three and nine months ended September 30, 2021, respectively, and tax expense of $0 and $0.3 million for the three and nine months ended September 30, 2020, respectively	0	(4)	91	(1,403)
Available-for-sale securities, net of tax	(4,438)	1,929	(14,858)	14,758
Unrealized losses on derivatives designated as cash flow hedges, net of reclassifications to income, net of tax benefit of $32 thousand and $83 thousand for the three and nine months ended September 30, 2021, respectively	(94)	0	(243)	0
Total other comprehensive income (loss)	(4,532)	1,929	(15,101)	14,758
Comprehensive Income	$ 18,412	$ 24,557	$ 72,972	$ 63,175