v3.7.0.1
Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Statement of Comprehensive Income [Abstract]    
Net income $ 40,754 $ 32,882
Other comprehensive income    
Unrealized holding gains, net of tax 13 373
Comprehensive income $ 40,767 $ 33,255