Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Data - Schedule of Other Assets (Detail)

v3.21.2
Selected Balance Sheet Data - Schedule of Other Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Other Assets [Line Items]    
Other assets Current $ 4,436 $ 4,711
Other assets Non-Current 13,318 4,176
Mortgage servicing rights, net of amortization [Member]    
Other Assets [Line Items]    
Other assets Current 0 0
Other assets Non-Current 1,919 1,897
Security deposits [Member]    
Other Assets [Line Items]    
Other assets Current 0 0
Other assets Non-Current 1,445 1,461
Employee Notes Receivable [Member]    
Other Assets [Line Items]    
Other assets Current 66 185
Other assets Non-Current 0 246
Customer trust accounts and other [Member]    
Other Assets [Line Items]    
Other assets Current 4,370 4,526
Other assets Non-Current 454 572
Held-to-maturity Securities [Member]    
Other Assets [Line Items]    
Other assets Current 0 0
Other assets Non-Current $ 9,500 $ 0