Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
NET INCOME		$ 15,575	$ 11,011	$ 30,131	$ 19,650
Other comprehensive income:
Net unrealized holding gains (losses) on available for sale securities		8,698	25,411	(6,236)	13,194
Reclassification adjustment for (gains) realized in income	[1]	(1)	(14)	(384)	(270)
Net unrealized holding gains (losses)		8,697	25,397	(6,620)	12,924
Income tax effect		(1,825)	(5,333)	1,392	(2,714)
Other comprehensive income (loss), net of tax		6,872	20,064	(5,228)	10,210
TOTAL COMPREHENSIVE INCOME		$ 22,447	$ 31,075	$ 24,903	$ 29,860

[1] Pre-tax reclassification adjustments relating to available-for-sale securities are reported in security gains and the tax impact is included in income tax expense on the consolidated statements of income.