Equity and Redeemable Noncontrolling Interests - Additional Information (Details) $ / shares in Units, $ in Thousands			1 Months Ended		3 Months Ended				9 Months Ended
	Oct. 27, 2021 $ / shares	Apr. 30, 2021 USD ($)	May 31, 2021 USD ($)	Nov. 30, 2019 $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 USD ($) $ / shares shares	Jun. 30, 2020 shares	Mar. 31, 2020 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) interest $ / shares shares	Sep. 30, 2020 USD ($) $ / shares shares	Dec. 31, 2020 USD ($)
Class of Stock [Line Items]
Dividends declared (in dollars per share) | $ / shares					$ 0.30	$ 0.37			$ 0.90	$ 1.11
Dividends paid (in dollars per share) | $ / shares					$ 0.30	$ 0.37			$ 0.90	$ 1.11
Issuance of common stock, net | $					$ 378	$ 511		$ 1,060,000	$ 1,422	$ 1,065,900
Exercisable redeemable noncontrolling interest | $					$ 54,000				$ 54,000		$ 0
Number of interests redeemable over time | interest									3
Subsequent Event
Class of Stock [Line Items]
Dividends declared (in dollars per share) | $ / shares	$ 0.30
2020 ATM Program
Class of Stock [Line Items]
ATM aggregate amount authorized | $		$ 1,250,000	$ 1,500,000
ATM aggregate amount remaining | $									$ 1,180,000
Maximum shares issuable under forward equity sales agreement (in shares)					9,100,000				9,100,000
Forward equity sales agreement, initial net price (in usd per share) | $ / shares					$ 35.25				$ 35.25
2020 ATM Program, Settled
Class of Stock [Line Items]
Share settlement (in shares)					0				0
Remainder outstanding (in shares)					9,100,000				9,100,000
At-The-Market Program | Minimum
Class of Stock [Line Items]
Option indexed to issuers equity, term (in years)									1 year
At-The-Market Program | Maximum
Class of Stock [Line Items]
Option indexed to issuers equity, term (in years)									2 years
2019 ATM Program
Class of Stock [Line Items]
Maximum shares issuable under forward equity sales agreement (in shares)										2,000,000
Forward equity sales agreement, initial net price (in usd per share) | $ / shares										$ 35.23
2019 ATM Program, Settled
Class of Stock [Line Items]
Share settlement (in shares)								16,800,000
Remainder outstanding (in shares)						0				0
Weighted average settlement price (in usd per share) | $ / shares								$ 31.38
Issuance of common stock, net | $								$ 528,000
Issuance of common stock, net (in shares)							0
ATM Direct Issuances | Common Stock
Class of Stock [Line Items]
Issuance of common stock, net (in shares)					0	0			0	0
2019 Forward Equity Offering
Class of Stock [Line Items]
Maximum shares issuable under forward equity sales agreement (in shares)				15,600,000
Forward equity sales agreement, initial net price (in usd per share) | $ / shares				$ 34.46
Share settlement (in shares)								15,600,000
Issuance of common stock, net | $								$ 534,000
Issuance of common stock, net (in shares)									0	0
Weighted average net price (in usd per share) | $ / shares								$ 34.18