Shareholders' Equity, Noncontrolling Interests and Other Comprehensive Loss - Summary of Change in Noncontrolling Interest (Parenthetical) (Details) - $ / shares	3 Months Ended		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Minority Interest [Line Items]
Distributions declared (in dollars per share)	$ 0.29	$ 0.28	$ 0.29	$ 1.13	$ 1.09
Conversion of Common OP Units to Common Shares by limited partners of the Operating Partnership (in shares)			407,594	307,663	117,978
Operating Partnership, as General Partner or Managing Member
Minority Interest [Line Items]
Series A Preferred OP Units (in shares)	3,250,603	3,329,640	3,101,958	3,250,603	3,329,640
Operating Partnership, as General Partner or Managing Member | Series A Preferred Stock
Minority Interest [Line Items]
Series A Preferred OP Units (in shares)	188	188	188	188	188
Operating Partnership, as General Partner or Managing Member | Series C Preferred Stock
Minority Interest [Line Items]
Series A Preferred OP Units (in shares)	136,593	136,593	126,593	136,593	136,593
LTIP Units
Minority Interest [Line Items]
LTIP units outstanding (in shares)	2,673,484	2,569,044	2,886,207	2,673,484	2,569,044