Equity - Additional Information (Detail) $ / shares in Units, $ in Thousands				3 Months Ended
	Apr. 14, 2022 USD ($) $ / shares	Jul. 26, 2019 agreement	Nov. 14, 2018 USD ($) agreement	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 USD ($) shares	Dec. 31, 2021 USD ($) shares	Mar. 25, 2014 shares
Class of Stock [Line Items]
Shares authorized (in shares) | shares				500,000,000
Common stock, shares authorized (in shares) | shares				400,000,000		400,000,000
Preferred stock, shares authorized (in shares) | shares				100,000,000
Preferred stock, shares issued (in shares) | shares				0		0
Preferred stock, shares outstanding (in shares) | shares				0		0
Common stock, shares issued under dividend reinvestment program (in shares) | shares				639	515
Total dividends declared				$ 105,801	$ 91,349
Accumulated other comprehensive income				8,600		$ 8,308
Net realized and unrealized gains related to changes in fair value of derivative instruments				131,900		86,400
Cumulative unrealized currency translation adjustment on assets and liabilities denominated in foreign currencies				123,300		78,100
Subsequent Event
Class of Stock [Line Items]
Dividends paid per common stock (in dollars per share) | $ / shares	$ 0.62
Total dividends declared	$ 105,600
Joint Venture | Multifamily
Class of Stock [Line Items]
Total equity				179,300		203,500
Equity interests owned				152,400		173,000
Non-controlling interests				$ 26,900		$ 30,500
Dividend Reinvestment and Direct Stock Purchase Plan
Class of Stock [Line Items]
Common shares reserved for issuance (in shares) | shares				9,989,151			10,000,000
ATM Agreement
Class of Stock [Line Items]
Number of equity distribution agreements | agreement			6
Aggregate sales price			$ 500,000
Number of additional ATM Agreements | agreement		1
Number of shares sold (in shares) | shares				1,675,000
Shares sold				$ 52,200
Aggregate sales price remaining available				$ 300,900