Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Statement of Comprehensive Income [Abstract]    
Net income $ 4,320 $ 660
Other comprehensive (loss) income:    
Changes in unrealized (losses) gains on investment securities (148) 22
Comprehensive income $ 4,172 $ 682