CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Prepaid expenses and other assets, due from related parties	$ 172	$ 929
Accounts payable and accrued expenses, due to related parties	$ 391	$ 47
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)	100,737,224	99,281,754
Common stock, shares outstanding (in shares)	100,737,224	99,281,754
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	3,977,144
Preferred stock, shares outstanding (in shares)	3,977,144	3,977,144
Series B Preferred Stock
Preferred stock, dividend rate, percentage	7.125%	7.125%
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	3,680,000	3,680,000
Preferred stock, shares issued (in shares)	3,630,000	3,630,000
Preferred stock, shares outstanding (in shares)	3,630,000	3,630,000