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Selected Balance Sheet Data - Schedule of Other Assets (Detail) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Other Assets [Line Items] |  |
Other assets Current | $ 5,880 | $ 5,270
Other assets Non-Current | 13,573 | 13,146
Mortgage servicing rights, net of amortization [Member] |  |
Other Assets [Line Items] |  |
Other assets Current | 0 | 0
Other assets Non-Current | 0 | 1,855
Security deposits [Member] |  |
Other Assets [Line Items] |  |
Other assets Current | 0 | 0
Other assets Non-Current | 1,681 | 1,395
Employee Notes Receivable [Member] |  |
Other Assets [Line Items] |  |
Other assets Current | 16 | 40
Other assets Non-Current | 0 | 0
Customer trust accounts and other [Member] |  |
Other Assets [Line Items] |  |
Other assets Current | 5,864 | 5,230
Other assets Non-Current | 2,392 | 396
Held-to-maturity Securities [Member] |  |
Other Assets [Line Items] |  |
Other assets Current | 0 | 0
Other assets Non-Current | $ 9,500 | $ 9,500

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