Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Summary of Debt Issuance Costs (Detail)

v3.21.2
Notes Payable - Summary of Debt Issuance Costs (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Private Notes [Member]    
Debt Instrument [Line Items]    
Unamortized debt issuance costs as of December 31, 2020 $ 1,935 $ 2,257
Unamortized debt issuance costs as of September 30, 2021 1,935 2,257
Line Of Credit And Term Loan [Member]    
Debt Instrument [Line Items]    
Unamortized debt issuance costs as of December 31, 2020   170
Unamortized debt issuance costs as of September 30, 2021   $ 170
BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member]    
Debt Instrument [Line Items]    
Debt extinguishment expense 14,200  
BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] | Private Notes [Member]    
Debt Instrument [Line Items]    
Amortization of debt issuance costs (322)  
BRIDGE INVESTMENT GROUP HOLDINGS LLC [Member] | Line Of Credit And Term Loan [Member]    
Debt Instrument [Line Items]    
Unamortized debt issuance costs as of December 31, 2020 100  
Amortization of debt issuance costs (70)  
Unamortized debt issuance costs as of September 30, 2021 $ 100