Equity - Share Repurchase Program (Details) - USD ($)			3 Months Ended
		May 12, 2017	Mar. 31, 2018	May 03, 2018
Equity, Class of Treasury Stock [Line Items]
Repurchases of common stock under the share repurchase program weighted average price per share (USD per share)			$ 6.94
Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Value of stock authorized for repurchase under stock repurchase program (up to)				$ 200,000,000.0
The Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Value of stock authorized for repurchase under stock repurchase program (up to)	[1]	$ 200,000,000
Stock authorization period		12 months
Repurchases of common stock under the Share Repurchase Program			$ 44,600,000
The Share Repurchase Program [Member] | Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases of common stock under the Share Repurchase Program (shares)			6,399,666

[1] The Company’s Share Repurchase Program (as defined in Note 14 – Equity), which was authorized by the board of directors on May 12, 2017, allows for the repurchase of up to $200.0 million of the Company’s outstanding shares of Common Stock over 12 months from the date of authorization.