Stockholders’ Equity - Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Feb. 24, 2016	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Class of Stock [Line Items]
Common shares, outstanding shares (in shares)		56,542,116		56,542,116
Common shares, authorized shares (in shares)		100,000,000		100,000,000
Common shares, par value (in dollars per share)		$ 0.001		$ 0.001
Cash dividends declared per common share	$ 0.045	$ 0.045
Series A Preferred Stock
Class of Stock [Line Items]
Total redemption value			$ 370
Shares redeemed			93
Common Stock
Class of Stock [Line Items]
Shares issued (in shares)		0	0
Shares redeemed		0	86,768
Common Stock | Minimum
Class of Stock [Line Items]
Common stock redemption value per share			$ 0.32
Common Stock | Maximum
Class of Stock [Line Items]
Common stock redemption value per share			$ 0.91
Accrued expenses
Class of Stock [Line Items]
Accrued dividend		$ 2,544