Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Assets held under finance leases	$ 3,509
Total property and equipment	32,096	$ 32,218
Less: accumulated depreciation and amortization	(16,580)
Less: accumulated depreciation and amortization		(15,568)
Total property and equipment, net	15,516
Total property and equipment, net		16,650
Depreciation and amortization	5,516	5,624	$ 5,881
Property, Plant and Equipment
Property, Plant and Equipment [Line Items]
Depreciation and amortization	3,300	3,400	$ 2,700
Assets held under finance leases
Property, Plant and Equipment [Line Items]
Total property and equipment		3,752
Computer, print and mail equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	7,857	7,998
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	4,275	4,073
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	12,127	12,120
Software
Property, Plant and Equipment [Line Items]
Total property and equipment	1,222	1,437
Vehicles
Property, Plant and Equipment [Line Items]
Total property and equipment	95	115
Internal software development
Property, Plant and Equipment [Line Items]
Total property and equipment	3,011	2,644
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 0	$ 79