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Derivative Instruments - Summary of Interest Rate Derivatives (Detail)
Sep. 30, 2021
USD ($)
Derivative
Interest Rate Swap [Member] | Derivative Designated As Hedging Instrument [Member] | Cash Flow Hedges [Member]  
Derivative Instruments And Hedging Activities Disclosures [Line Items]  
Number of Instruments | Derivative 1
Notional Amount | $ $ 55,200,000
Interest Rate Cap [Member] | Derivative Not Designated As Hedging Instrument [Member]  
Derivative Instruments And Hedging Activities Disclosures [Line Items]  
Number of Instruments | Derivative 1
Notional Amount | $ $ 31,277,000