Stock Repurchases (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Equity [Abstract]
Number of shares authorized to be repurchased	500,000		500,000
Shares repurchased	111,241	55,297	187,123	124,585
Remaining number of shares available for repurchase	301,156		301,156