Stockholders' Equity - Narrative (Details) - USD ($)				1 Months Ended	3 Months Ended		12 Months Ended
	Jun. 18, 2021	Jun. 02, 2021	Jul. 19, 2018	Apr. 30, 2020	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Jun. 30, 2021	Apr. 20, 2020	Dec. 31, 2019
Conversion of Stock [Line Items]
Common stock, outstanding (in shares)					103,909,713		103,900,452
Common stock, issued (in shares)					103,909,713		103,900,452
Additional paid-in capital					$ 2,678,030,000		$ 2,675,154,000
Preferred stock, authorized (in shares)					30,000,000
Preferred stock, outstanding (in shares)					6,799,467		6,799,467
Common stock dividend rate (in dollars per share)					$ 1.60		$ 1.60
Common stock, monthly dividend rate (in dollars per share)					$ 0.40		$ 0.40
LTIP Units | OP Units
Conversion of Stock [Line Items]
Number of units earned (in shares)	2,135,496
Advisor
Conversion of Stock [Line Items]
Additional paid-in capital								$ 25,300,000
Advisor | 2018 Multi Year Outperformance Plan | LTIP Units
Conversion of Stock [Line Items]
Shares issued during the period (in shares)		2,554,930
Advisor | LTIP Units | 2018 Multi Year Outperformance Plan
Conversion of Stock [Line Items]
Shares issued during the period (in shares)			2,554,930
Agent | At-the-Market Program
Conversion of Stock [Line Items]
Aggregate common stock offering price					$ 500,000,000
Number of shares issued (in shares)					0	5,904,470
Gross proceeds from sale of stock						$ 107,600,000
Commissions paid						1,600,000
Payments of stock offering costs						$ 300,000
Number of shares canceled (in shares)						8,668
Series A Preferred Stock
Conversion of Stock [Line Items]
Preferred stock, authorized (in shares)					9,959,650		9,959,650
Preferred stock, issued (in shares)					6,799,467		6,799,467
Preferred stock, outstanding (in shares)					6,799,467		6,799,467
Preferred stock, par value (in dollars per share)					$ 0.01		$ 0.01
Dividend payout (in dollars per share)					$ 0.453125
Preferred stock, dividend rate					7.25%		7.25%
Preferred stock, liquidation preference (in dollars per share)					$ 25.00		$ 25.00
Series B Preferred Stock
Conversion of Stock [Line Items]
Preferred stock, authorized (in shares)					11,450,000		11,450,000
Preferred stock, issued (in shares)					4,601,277		4,503,893
Preferred stock, outstanding (in shares)					4,601,277		4,503,893
Preferred stock, par value (in dollars per share)					$ 0.01		$ 0.01
Preferred stock, dividend rate					6.875%		6.875%
Preferred stock, liquidation preference (in dollars per share)					$ 25.00		$ 25.00
Preferred stock, quarterly dividend (in dollars per share)					$ 0.429688
Series B Preferred Stock | Agent | At-the-Market Program
Conversion of Stock [Line Items]
Number of shares issued (in shares)					97,384	641,940
Gross proceeds from sale of stock					$ 2,400,000	$ 16,200,000
Commissions paid						$ 200,000
Aggregate preferred stock offering price										$ 200,000,000
Series C Preferred Stock
Conversion of Stock [Line Items]
Preferred stock, authorized (in shares)					100,000		100,000
Preferred stock, issued (in shares)					0		0
Preferred stock, outstanding (in shares)					0		0
Preferred stock, par value (in dollars per share)					$ 0.01		$ 0.01
Preferred share purchase right basis per share (in shares)									0.001
Exercise price (in dollars per share)				$ 50.00
Percent of outstanding shares acquired				4.90%