Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Jun. 30, 2020	Dec. 31, 2019
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	400,000,000	400,000,000
Common stock, issued (in shares)	443,299	443,299
Common stock, outstanding (in shares)	405,169	405,169
Treasury stock (in shares)	38,130	38,130
Preferred A Shares
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	1,518,000	1,518,000
Preferred stock, issued (in shares)	256,636	256,636
Preferred stock, outstanding (in shares)	256,636	256,636
Preferred stock, liquidation preference (in dollars per share)	$ 10.00	$ 10.00
Preferred C Shares
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	300,000	300,000
Preferred stock, issued (in shares)	231,944	231,944
Preferred stock, outstanding (in shares)	231,944	231,944
Preferred stock, liquidation preference (in dollars per share)	$ 10.00	$ 10.00