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Fair Value Measurements - Financial Assets and Liabilities Not Measured at Fair Value (Detail) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Carrying Amount |  |
Assets: |  |
Cash equivalents | $ 412,592 | $ 393,070
Liabilities: |  |
Mortgages payable (excluding deferred debt issuance costs, net) | 1,164,544 | 1,164,544
Fair Value | Level 1 |  |
Assets: |  |
Cash equivalents | 412,592 | 393,070
Fair Value | Level 2 |  |
Liabilities: |  |
Mortgages payable (excluding deferred debt issuance costs, net) | $ 1,130,000 | $ 1,130,000

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Fair value portion of notes payable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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