Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 70,672	$ 63,401	$ 52,580
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized gains (losses) on securities available for sale	10,718	(3,507)	(903)
Reclassification for securities gains included in net income	0	0	(1,640)
Unrealized (losses) gains on derivatives	(586)
Unrealized (losses) gains on derivatives		41	37
Change in pension liability, net	(46)	20	(16)
Other comprehensive loss	10,086	(3,446)	(2,522)
TOTAL COMPREHENSIVE INCOME	$ 80,758	$ 59,955	$ 50,058