v3.21.2

Earnings per Share - Summary of Components used in Calculation of Basic and Diluted Earnings per Share (Parenthetical) (Detail) - shares | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Earnings Per Share [Abstract] |  |
Unvested restricted shares of common stock | 374 | 341
Weighted average effects of OP Units outstanding | 10,370 | 12,226

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- Definition Unvested restricted shares of common stock. + References No definition available. + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition The number of units or equivalent units outstanding for all classes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
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Period Type: | instant