Share Repurchase Plan (Details) - 2016 Stock Repurchase Program - USD ($)	2 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2016	May 31, 2016
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not more than)	$ 30,000,000	$ 30,000,000	$ 30,000,000	$ 30,000,000
Common stock purchased under share repurchase program (in shares)	37,900	37,900	37,900