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Property, Equipment and Software - Summary of Property, Equipment and Software (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment | $ 66,318 | $ 60,570
Less accumulated depreciation and amortization | (31,531) | (27,144)
Property, Plant and Equipment, Gross | 34,787 | 33,426
Land | 1,490 | 1,490
Property, Plant and Equipment, Net | 36,277 | 34,916
Buildings [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment | 16,857 | 16,498
Office Furniture and Fixtures [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment | 14,159 | 13,691
Computer Hardware and Software [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment | 11,458 | 11,591
Software Development Costs [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment | 23,332 | 18,353
Other [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment | $ 512 | $ 437

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