Goodwill and Other Acquired Intangible Assets, Net - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 9,800	$ 9,800
Impairment of goodwill	0	0	$ 4,828
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	0
Client relationships
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived		1,000
Technology
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived		$ 300
homegenius
Finite-Lived Intangible Assets [Line Items]
Impairment of goodwill	$ 0		4,800
Impairment of intangible assets, finite-lived			$ 13,700