Stockholders' Equity - Additional Information (Details) $ in Millions		1 Months Ended	12 Months Ended
	Aug. 01, 2014	Aug. 31, 2014	Dec. 31, 2015 USD ($) Vote shares
Stockholders Equity Note [Line Items]
Reverse stock split of common stock and treasury stock	0.2	0.2
Authorized amount to repurchase			$ 50.0
Stock repurchase remaining authorized amount			$ 19.2
Repurchases unsettled, Shares | shares			0
Common Stock
Stockholders Equity Note [Line Items]
Stockholders equity, reverse stock split description		1-for-5
Reverse stock split of common stock and treasury stock			0.20
Equity instrument voting rights per share | Vote			1