CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Prepaid expenses and other assets, due from related parties	$ 929	$ 1,278
Accounts payable and accrued expenses, due to related parties	$ 47	$ 299
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	99,281,754	93,775,746
Common stock, shares outstanding (in shares)	99,281,754	93,775,746
Series A Preferred Stock
Preferred stock, dividend rate, percentage	7.375%	7.375%
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	4,740,000	4,740,000
Preferred stock, shares issued (in shares)	3,977,144	1,610,000
Preferred stock, shares outstanding (in shares)	3,977,144	1,610,000
Series B Preferred Stock
Preferred stock, dividend rate, percentage	7.125%
Preferred stock, par value (in usd per share)	$ 0.01
Preferred stock, shares authorized (in shares)	3,680,000	0
Preferred stock, shares issued (in shares)	3,630,000	0
Preferred stock, shares outstanding (in shares)	3,630,000	0