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Property, Equipment and Software - Summary of Property, Equipment and Software (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 60,570	$ 54,800
Less accumulated depreciation and amortization	(27,144)	(24,566)
Property, Plant and Equipment, Gross	33,426	30,234
Land	1,490	1,490
Property, Plant and Equipment, Net	34,916	31,724
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	16,498	16,551
Office Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	13,691	12,805
Computer Hardware and Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	11,591	12,728
Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	18,353	12,313
Other [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 437	$ 403

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Property plant and equipment net excluding land.

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