General form of registration statement for all companies including face-amount certificate companies

Leases - Additional Information (Detail)

v3.22.2
Leases - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Lessee, Lease, Description [Line Items]    
Lease terms and extending maturities 2032  
Minimum lease payments under the lease $ 47,426 $ 28,310
Operating Leases, description The Company has an executed operating lease for office space with a lease term from April 2022 to January 2028 with total future minimum lease payments of approximately $5.4 million. Additionally, there is an executed operating lease for office space with a lease term from April 2022 to June 2027 with total future minimum lease payments  
Office Space [Member]    
Lessee, Lease, Description [Line Items]    
Minimum lease payments under the lease $ 5,400  
Office Space One [Member]    
Lessee, Lease, Description [Line Items]    
Minimum lease payments under the lease $ 2,000  
Maximum [Member] | Office Space [Member]    
Lessee, Lease, Description [Line Items]    
Operating lease term 2028-01  
Maximum [Member] | Office Space One [Member]    
Lessee, Lease, Description [Line Items]    
Operating lease term 2027-06  
Minimum [Member] | Office Space [Member]    
Lessee, Lease, Description [Line Items]    
Operating lease term 2022-04  
Minimum [Member] | Office Space One [Member]    
Lessee, Lease, Description [Line Items]    
Operating lease term 2022-04