Dividends/Distributions (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Equity [Abstract]
Distributions paid	$ 101,225	$ 50,416	$ 252,917	$ 201,499
Dividends declared	$ 101,225	$ 50,416	$ 252,917	$ 201,499
Cash dividends declared per share of common stock (in dollars per share)	$ 1.00	$ 0.50	$ 2.50	$ 2.00
Dividends paid (in dollars per share)	$ 1.00	$ 0.50	$ 2.50	$ 2.00
Dividends paid	$ 91	$ 91	$ 273	$ 273
Distributions paid, preferred stockholders, per share	$ 15.95	$ 15.95	$ 47.85	$ 47.85

Aggregate dividends paid during the period for each share of common stock outstanding.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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-Publisher FASB
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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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Aggregate dividends paid during the period for each share of preferred stock outstanding.

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