Fair Value Measurements - Schedule of fair value hierarchy of valuation techniques (Parenthetical) (Detail) |
Dec. 31, 2020
USD ($)
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] | |
| Cash excluded | $ 3,487 |
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- References No definition available.
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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