Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 62,561	$ 26,742
Vertical Software
Disaggregation of Revenue [Line Items]
Total revenue	34,688	24,937
Insurance
Disaggregation of Revenue [Line Items]
Total revenue	27,873	1,805
Software and service subscriptions
Disaggregation of Revenue [Line Items]
Total revenue	17,965	10,879
Move-related transactions (excluding insurance)
Disaggregation of Revenue [Line Items]
Total revenue	12,193	8,960
Post-move transactions
Disaggregation of Revenue [Line Items]
Total revenue	4,530	5,098
Insurance and warranty premiums, commissions and policy fees | Insurance
Disaggregation of Revenue [Line Items]
Total revenue	27,873	$ 1,805
Revenue recognized for regulated property and casualty insurance entity	$ 20,000