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	$ 98,739	$ 67,275	$ 42,865
Other comprehensive income (loss):
Unrealized gains (losses) on securities available-for-sale	24,892	(13,266)	5,976
Reclassification of unrealized losses on securities transferred to available-for-sale upon adoption of new accounting pronouncement	(730)	0	0
Amortization of unrealized losses on securities transferred to held-to-maturity, net	262	550	596
Reclassification adjustment for (gains) losses included in net income	(1,031)	485	(86)
(Provision) benefit for income taxes	(5,868)	3,272	(2,483)
Total Other Comprehensive Income (Loss)	17,525	(8,959)	4,003
Comprehensive Income	$ 116,264	$ 58,316	$ 46,868