Goodwill and Other Acquired Intangible Assets, Net - Schedule of Acquired Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Net Carrying Amount	$ 9,791
homegenius
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	52,298	$ 52,298
Accumulated Amortization	(42,507)	(39,057)
Net Carrying Amount	9,791	13,241
homegenius | Client relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	43,550	43,550
Accumulated Amortization	(34,620)	(31,559)
Net Carrying Amount	8,930	11,991
homegenius | Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,285	8,285
Accumulated Amortization	(7,675)	(7,370)
Net Carrying Amount	610	915
homegenius | Licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	463	463
Accumulated Amortization	(212)	(128)
Net Carrying Amount	$ 251	$ 335