Stockholders' Equity and Equity Compensation - Summary of Stock Option Activity (Details)	6 Months Ended
	Jun. 30, 2016 $ / shares shares
Shares
Outstanding, beginning balance (in shares) | shares	288,383
Granted (in shares) | shares	0
Exercised (in shares) | shares	(18,193)
Canceled/Expired (in shares) | shares	(1,836)
Outstanding, ending balance (in shares) | shares	268,354
Exercisable (in shares) | shares	268,354
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 21.73
Granted (in dollars per share) | $ / shares	0.00
Exercised (in dollars per share) | $ / shares	16.80
Canceled/Expired (in dollars per share) | $ / shares	25.58
Outstanding, ending balance (in dollars per share) | $ / shares	22.04
Exercisable (in dollars per share) | $ / shares	$ 22.04