Share Repurchase Plan - Additional Information (Details) - 2016 Stock Repurchase Program - USD ($)	3 Months Ended	5 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Sep. 30, 2016	May 31, 2016
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not more than)	$ 30,000,000.0	$ 30,000,000.0	$ 30,000,000.0	$ 30,000,000
Common stock purchased under share repurchase program (in shares)	181,619	219,519	219,519