Earnings Per Common Share - Antidilutive (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding (in shares)	4,819	3,758
Convertible (in shares)	9,368	8,800
Operating Partnership Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding (in shares)	1,909	1,909
Convertible (in shares)	1,909	1,909
Series D Preferred Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding (in shares)	1,849	1,849
Convertible (in shares)	7,014	6,891
Restricted Stock Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding (in shares)	1,061	0
Convertible (in shares)	445	0