Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 430,302	$ 275,948	$ 192,433
Vertical Software Segment Deferred Revenue
Disaggregation of Revenue [Line Items]
Total revenue	125,116	154,915	137,150
Insurance
Disaggregation of Revenue [Line Items]
Total revenue	305,186	121,033	55,283
Software and service subscriptions | Vertical Software Segment Deferred Revenue
Disaggregation of Revenue [Line Items]
Total revenue	67,697	72,777	57,004
Move-related transactions | Vertical Software Segment Deferred Revenue
Disaggregation of Revenue [Line Items]
Total revenue	40,350	62,317	60,996
Post-move transactions | Vertical Software Segment Deferred Revenue
Disaggregation of Revenue [Line Items]
Total revenue	17,069	19,821	19,150
Insurance and warranty premiums, commissions and policy fees | Insurance
Disaggregation of Revenue [Line Items]
Total revenue	305,186	121,033	55,283
Revenue not from contract with customer	$ 271,100	$ 83,900	$ 26,600