CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 28,261	$ 23,254	$ 83,661	$ 55,913
Securities available-for-sale:
Change in net unrealized (losses) gains during the period	(4,867)	(114)	(9,192)	20,068
Reclassification adjustments for losses included in income			7
Amortization of losses previously held as available-for-sale				5
Other comprehensive (loss) income	(4,867)	(114)	(9,185)	20,073
Securities available-for-sale:
Change in net unrealized (losses) gains during the period	(1,314)	(31)	(2,483)	5,418
Reclassification adjustments for losses included in income			2
Amortization of losses previously held as available-for-sale				1
Income tax (benefit) expense related to items of other comprehensive income	(1,314)	(31)	(2,481)	5,419
Other comprehensive (loss) income, net of tax and reclassifications into net income	(3,553)	(83)	(6,704)	14,654
Comprehensive income	$ 24,708	$ 23,171	$ 76,957	$ 70,567