Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Consolidated Statements of Comprehensive Income
Net Income	$ 54,684	$ 33,127	$ 28,383
Other Comprehensive Income (Loss):
Net change in unrealized losses on investment securities available for sale, net of (taxes) benefits of $256, $262, and $25, respectively	(378)	(382)	(39)
Less: Reclassification adjustment for gains included in net income, net of tax expense of $0, $10, and $0, respectively		14
Other comprehensive loss for the period	(378)	(396)	(39)
Comprehensive Income	$ 54,306	$ 32,731	$ 28,344