Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Consolidated Balance Sheets [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	37,790	37,790
Preferred stock, shares outstanding	37,790	37,790
Preferred stock, liquidation preference	$ 944,750	$ 944,750
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	27,481,486	27,440,953
Common Stock, Shares, Outstanding	27,481,486	27,440,953