UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 19,536	$ 17,502	$ 55,037	$ 50,368
Other comprehensive income
Unrealized holding (losses)/gains on securities available-for-sale	(12,378)	(2,237)	(39,677)	(16,846)
Reclassification adjustment for (gains)/losses on available-for-sale securities	2,987	0	2,985	(2,554)
Amortization of unrealized loss on securities transferred to held-to-maturity	(52)	(135)	(193)	(373)
Net unrealized holding (losses)/gains on securities available-for-sale	(9,443)	(2,372)	(36,885)	(19,773)
Income tax benefit/(expense)	2,792	702	10,905	5,846
Other comprehensive (loss)/income, net of tax	(6,651)	(1,670)	(25,980)	(13,927)
Total comprehensive income	$ 12,885	$ 15,832	$ 29,057	$ 36,441