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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 47,434	$ 44,170	$ 36,497
Unrealized gains/(losses) on available for sale securities:
Unrealized gains/(losses) arising during the period	5,305	(1,462)	(1,169)
Less: Reclassification adjustment for net losses/(gains) included in net income		288
Before tax	5,305	(1,174)	(1,169)
Tax effect	(1,293)	255	438
Net of tax	4,012	(919)	(731)
Unrealized (loss)/gain on cash flow hedge
Unrealized holding (loss)/gain	(4,252)	(328)	2,138
Reclassification adjustment for losses included in net income	(223)	(124)
Before tax	(4,475)	(452)	2,138
Tax effect	1,313	111	(873)
Net of tax	(3,162)	(341)	1,265
Total other comprehensive income/(loss)	850	(1,260)	534
Total comprehensive income	$ 48,284	$ 42,910	$ 37,031

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