UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 18,443	$ 16,153	$ 35,501	$ 32,866
Other comprehensive income
Unrealized holding (losses)/gains on securities available-for-sale	(11,434)	3,957	(27,299)	(14,609)
Reclassification adjustment for (gains)/losses on available-for-sale securities	(2)	(714)	(2)	(2,554)
Amortization of unrealized loss on securities transferred to held-to-maturity	(64)	(180)	(141)	(238)
Net unrealized holding (losses)/gains on securities available-for-sale	(11,500)	3,063	(27,442)	(17,401)
Income tax benefit/(expense)	3,400	(905)	8,113	5,144
Other comprehensive (loss)/income, net of tax	(8,100)	2,158	(19,329)	(12,257)
Total comprehensive income	$ 10,343	$ 18,311	$ 16,172	$ 20,609