Equity - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator - Basic:
Net income (loss)	$ 63,212	$ (13,037)	$ (22,889)
Private perpetual preferred unit distributions	(4,201)	(4,201)	(4,197)
Non-controlling interests in the Operating Partnership	(22,812)	6,527	10,374
Net income attributable to non-controlling interests in other partnerships	243	0	0
Earnings allocated to unvested shares	0	(26)	(60)
Net income (loss) attributable to common stockholders - basic	36,442	(10,737)	(16,772)
Numerator - Diluted:
Net income (loss)	63,212	(13,037)	(22,889)
Private perpetual preferred unit distributions	(4,201)	(4,201)	(4,197)
Earnings allocated to unvested shares	0	(26)	(60)
Net income (loss) attributable to common stockholders - diluted	$ 59,254	$ (17,264)	$ (27,146)
Denominator:
Weighted average shares outstanding - basic (in shares)	165,039,000	172,445,000	175,169,000
Operating partnership units (in shares)	103,298,000	104,975,000	108,657,000
Effect of dilutive securities:
Stock-based compensation plans (in shares)	1,611,000	0	11,000
Weighted average shares outstanding - dilutive (in shares)	269,948,000	277,420,000	283,837,000
Earnings per share:
Basic (in USD per share)	$ 0.22	$ (0.06)	$ (0.10)
Diluted (in USD per share)	$ 0.22	$ (0.06)	$ (0.10)
Antidilutive securities (in shares)	0	1,052,390	307,536