Share Repurchase (Details) - USD ($) shares in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Aug. 06, 2015
Equity [Abstract]
Authorized stock repurchase amount			$ 100,000,000
Remaining authorized stock repurchase amount	$ 52,000,000	$ 52,000,000
Shares of capital stock repurchased (in shares)	70,857	140,498
Value of capital stock repurchased	$ 3,997,000	$ 7,995,000