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	$ 124,403	$ 77,764	$ 98,739
Available-for-sale securities:
Unrealized (losses) gains on available-for-sale securities, net of tax benefit of $8.2 million in 2021, tax expense of $5.0 million in 2020 and tax expense of $5.9 million in 2019	(27,377)	16,628	19,016
Reclassification of unrealized losses on securities transferred to available-for-sale upon adoption of new accounting pronouncement, net of tax benefit of $154 thousand in 2019	0	0	(730)
Amortization of unrealized losses on securities transferred to held-to-maturity, net of tax expense of $21 thousand, $40 thousand, and $87 thousand, respectively	86	184	175
Reclassification adjustment for losses (gains) included in net income, net of tax benefit of $85 thousand in 2021, tax expense of $314 thousand in 2020 and tax expense of $95 thousand in 2019	278	(782)	(936)
Available-for-sale securities, net of tax	(27,013)	16,030	17,525
Unrealized losses on derivatives designated as cash flow hedges, net of reclassifications to income, net of tax expense of $120 thousand in 2021 and tax expense of $42 thousand in 2020	(351)	(125)	0
Total other comprehensive income (loss)	(27,364)	15,905	17,525
Comprehensive Income	$ 97,039	$ 93,669	$ 116,264