Stock-Based Compensation - Summary of Option Activity (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) $ / shares shares
Number of Options
Outstanding, beginning balance (in shares) | shares	329,872
Options granted (in shares) | shares	0
Awards exercised (in shares) | shares	0
Awards forfeited (in shares) | shares	(48,157)
Outstanding, ending balance (in shares) | shares	281,715
Exercisable, ending balance (in shares) | shares	281,715
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 33.65
Options granted (in dollars per share) | $ / shares	0.00
Awards exercised (in dollars per share) | $ / shares	0.00
Awards forfeited (in dollars per share) | $ / shares	37.19
Outstanding, ending balance (in dollars per share) | $ / shares	33.04
Exercisable, ending balance (in dollars per share) | $ / shares	$ 33.04
Weighted-Average Contractual Life (Years) and Aggregate Intrinsic Value (In thousands)
Weighted-average contractual life outstanding, ending balance	1 year 3 months 8 days
Weighted-average contractual life exercisable, ending balance	1 year 3 months 8 days
Aggregate intrinsic value outstanding, ending balance | $	$ 421
Aggregate intrinsic value exercisable, ending balance | $	$ 421