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Fair Value Measurements - Schedule of Fair Value Liabilities Measured On Non-Recurring Basis Valuation Techniques (Parenthetical) (Detail)
Jun. 30, 2021
Measurement Input, Constant Prepayment Rate [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Percentage of fair value weighted average 0.1