Property, Plant and Equipment, net Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	$ 12,066		$ 12,066		$ 12,366
Depreciation expense	1,559	$ 1,515	3,196	$ 2,926
Amount capitalized to internal use software	1,713	742	2,919	1,632
Property, plant, and equipment, excluding internal-use software, gross
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	12,429		12,429		14,148
Less: Accumulated depreciation and amortization	(10,147)		(10,147)		(10,857)
Property, plant, and equipment, net	2,282		2,282		3,291
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	7,596		7,596		9,267
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	1,055		1,055		1,060
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	3,778		3,778		3,821
Internal-use software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	45,942		45,942		43,314
Less: Accumulated depreciation and amortization	(37,526)		(37,526)		(35,321)
Construction in progress - Internal-use software	1,368		1,368		1,082
Property, plant, and equipment, net	9,784		9,784		$ 9,075
Depreciation expense	$ 1,078	$ 1,022	$ 2,206	$ 2,011