XML 38 R25.htm IDEA: XBRL DOCUMENT

Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2017
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On January 25, 2018, the board of directors declared a $0.25 per share dividend. The dividend was payable to shareholders of record as of February 8, 2018, resulting in $25.3 million being paid on February 15, 2018.