XML 18 R5.htm IDEA: XBRL DOCUMENT v3.10.0.1
Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Statement of Comprehensive Income [Abstract]        
Net income $ 4,573 $ 13,639 $ 104,431 $ 73,659
Other comprehensive loss        
Unrealized holding losses, net of tax (206) (199) (567) (206)
Comprehensive income $ 4,367 $ 13,440 $ 103,864 $ 73,453