Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 8,089	$ 6,899
Unrealized holding gains (losses) on investment securities arising during the period	192	4,917
Plus: reclassification adjustment for net losses realized in net income	6	88
Income tax expense	(49)	(1,251)
Other comprehensive income on investment securities	149	3,754
Unrealized holding gains (losses) on derivatives arising during the period	(21,258)	(2,441)
Plus: reclassification adjustment for net (gains) losses on derivatives realized in net income	325	(137)
Plus: reclassification adjustment for amortization of derivative termination costs	16	23
Income tax benefit	5,229	638
Other comprehensive loss on derivatives	(15,688)	(1,917)
Total other comprehensive income (loss)	(15,539)	1,837
Comprehensive income (loss)	$ (7,450)	$ 8,736