Business Combinations and Disposals - Transaction costs, Fair value of assets and liabilities, Consideration (Details) $ in Thousands									3 Months Ended	12 Months Ended
	Apr. 01, 2022 USD ($)	Oct. 27, 2021 USD ($)	Sep. 09, 2021 USD ($)	May 20, 2021 USD ($)	Apr. 05, 2021 USD ($)	Jan. 12, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jul. 23, 2020 USD ($)	Sep. 30, 2020 item	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2019 USD ($)
Business Combinations
Number of business combination transactions | item									2		5
Intangible assets:
Goodwill							$ 28,289			$ 244,697	$ 225,654	$ 28,289	$ 251,905	$ 297,645	$ 250,390	$ 18,274
Customer relationships
Intangible assets:
Weighted Average Useful Life (in years)										8 years	9 years	5 years
Acquired technology
Intangible assets:
Weighted Average Useful Life (in years)										5 years	4 years	9 years
Trademarks and tradenames
Intangible assets:
Weighted Average Useful Life (in years)										9 years	12 years	13 years
Non-compete agreements
Intangible assets:
Weighted Average Useful Life (in years)										7 years	2 years	2 years
Value of business acquired
Intangible assets:
Weighted Average Useful Life (in years)											7 years
Renewal rights
Intangible assets:
Weighted Average Useful Life (in years)											8 years
General and administrative
Business Combinations
Acquisition related costs										$ 2,100	$ 5,400	$ 200
January 12, 2021 Acquisition ("V12 Data")
Purchase consideration:
Cash						$ 20,196
Holdback liabilities and amounts in escrow						150
Contingent consideration - liability-classified						1,410
Total purchase consideration:						21,756
Assets:
Cash, cash equivalents and restricted cash						1,035
Current assets						4,939
Property and equipment						996
Operating lease right-of-use assets						$ 1,383
Intangible assets:
Weighted Average Useful Life (in years)						7 years 7 months 6 days
Goodwill						$ 16,708
Total assets acquired						31,501
Current liabilities						(6,871)
Operating lease liabilities, non-current						(848)
Long-term liabilities						(2,026)
Net assets acquired						21,756
January 12, 2021 Acquisition ("V12 Data") | Customer relationships
Intangible assets:
Intangible assets						1,650
January 12, 2021 Acquisition ("V12 Data") | Acquired technology
Intangible assets:
Intangible assets						3,525
January 12, 2021 Acquisition ("V12 Data") | Trademarks and tradenames
Intangible assets:
Intangible assets						1,225
January 12, 2021 Acquisition ("V12 Data") | Non-compete agreements
Intangible assets:
Intangible assets						40
January 12, 2021 Acquisition ("V12 Data") | General and administrative
Business Combinations
Acquisition related costs						$ 800
April 5, 2021 Acquisition ("HOA")
Purchase consideration:
Cash					$ 84,370
Issuance of common stock					22,773
Holdback liabilities and amounts in escrow					1,000
Contingent consideration - equity-classified					6,685
Total purchase consideration:					114,828
Assets:
Cash, cash equivalents and restricted cash					17,766
Current assets					235,669
Property and equipment					615
Operating lease right-of-use assets					$ 1,258
Intangible assets:
Weighted Average Useful Life (in years)					9 years 6 months
Goodwill					$ 45,370
Other non-current assets					55,165
Total assets acquired					397,795
Current liabilities					(269,460)
Operating lease liabilities, non-current					(898)
Long-term liabilities					(7,434)
Deferred tax liabilities, net					(5,175)
Net assets acquired					114,828
April 5, 2021 Acquisition ("HOA") | Insurance licenses
Intangible assets:
Intangible assets					4,960
April 5, 2021 Acquisition ("HOA") | Customer relationships
Intangible assets:
Intangible assets					16,700
April 5, 2021 Acquisition ("HOA") | Trademarks and tradenames
Intangible assets:
Intangible assets					12,200
April 5, 2021 Acquisition ("HOA") | Value of business acquired
Intangible assets:
Intangible assets					400
April 5, 2021 Acquisition ("HOA") | Renewal rights
Intangible assets:
Intangible assets					7,692
April 5, 2021 Acquisition ("HOA") | General and administrative
Business Combinations
Acquisition related costs					$ 1,900
May 20, 2021 Acquisition ("Rynoh")
Purchase consideration:
Cash				$ 32,302
Holdback liabilities and amounts in escrow				3,500
Total purchase consideration:				35,802
Assets:
Cash, cash equivalents and restricted cash				408
Current assets				932
Property and equipment				334
Operating lease right-of-use assets				$ 159
Intangible assets:
Weighted Average Useful Life (in years)				10 years
Goodwill				$ 22,051
Total assets acquired				40,374
Current liabilities				(517)
Operating lease liabilities, non-current				(72)
Deferred tax liabilities, net				(3,983)
Net assets acquired				35,802
May 20, 2021 Acquisition ("Rynoh") | Customer relationships
Intangible assets:
Intangible assets				12,700
May 20, 2021 Acquisition ("Rynoh") | Acquired technology
Intangible assets:
Intangible assets				2,800
May 20, 2021 Acquisition ("Rynoh") | Trademarks and tradenames
Intangible assets:
Intangible assets				900
May 20, 2021 Acquisition ("Rynoh") | Non-compete agreements
Intangible assets:
Intangible assets				90
May 20, 2021 Acquisition ("Rynoh") | General and administrative
Business Combinations
Acquisition related costs				$ 200
September 9, 2021 Acquisition ("AHP")
Purchase consideration:
Cash			$ 43,750
Holdback liabilities and amounts in escrow			2,500
Total purchase consideration:			46,250
Assets:
Cash, cash equivalents and restricted cash			5,078
Current assets			8,221
Property and equipment			17
Operating lease right-of-use assets			$ 913
Intangible assets:
Weighted Average Useful Life (in years)			7 years
Goodwill			$ 45,681
Other non-current assets			25
Total assets acquired			62,677
Current liabilities			(15,487)
Operating lease liabilities, non-current			(685)
Long-term liabilities			(79)
Deferred tax liabilities, net			(176)
Net assets acquired			46,250
September 9, 2021 Acquisition ("AHP") | Trademarks and tradenames
Intangible assets:
Intangible assets			700
September 9, 2021 Acquisition ("AHP") | Renewal rights
Intangible assets:
Intangible assets			2,042
September 9, 2021 Acquisition ("AHP") | General and administrative
Business Combinations
Acquisition related costs			$ 500
Floify
Purchase consideration:
Cash		$ 75,959
Issuance of common stock		9,908
Holdback liabilities and amounts in escrow		900
Contingent consideration - liability-classified		8,632
Total purchase consideration:		95,399
Assets:
Cash, cash equivalents and restricted cash		1,508
Current assets		221
Property and equipment		87
Operating lease right-of-use assets		$ 731
Intangible assets:
Weighted Average Useful Life (in years)		5 years 7 months 6 days
Goodwill		$ 53,056
Total assets acquired		96,968
Current liabilities		(1,014)
Operating lease liabilities, non-current		(555)
Net assets acquired		95,399
Floify | Customer relationships
Intangible assets:
Intangible assets		7,000
Floify | Acquired technology
Intangible assets:
Intangible assets		28,300
Floify | Trademarks and tradenames
Intangible assets:
Intangible assets		6,025
Floify | Non-compete agreements
Intangible assets:
Intangible assets		$ 40
Floify | General and administrative
Business Combinations
Acquisition related costs											400
July 23, 2020 Acquisition
Purchase consideration:
Cash								$ 2,000
Issuance of common stock								1,790
Total purchase consideration:								3,790
Assets:
Cash, cash equivalents and restricted cash								382
Current assets								554
Property and equipment								212
Intangible assets:
Goodwill								1,576
Total assets acquired								4,674
Current liabilities								(884)
Net assets acquired								3,790
July 23, 2020 Acquisition | Customer relationships
Intangible assets:
Intangible assets								740
July 23, 2020 Acquisition | Acquired technology
Intangible assets:
Intangible assets								470
July 23, 2020 Acquisition | Trademarks and tradenames
Intangible assets:
Intangible assets								670
July 23, 2020 Acquisition | Non-compete agreements
Intangible assets:
Intangible assets								$ 70
iRoofing
Purchase consideration:
Cash							6,003
Issuance of common stock							4,711
Contingent consideration - liability-classified							1,749
Total purchase consideration:							12,463
Assets:
Cash, cash equivalents and restricted cash							119					119
Current assets							212					212
Property and equipment							44					44
Intangible assets:
Goodwill							7,242					7,242
Total assets acquired							14,472					14,472
Current liabilities							(322)					(322)
Deferred tax liabilities, net							(1,687)					(1,687)
Net assets acquired							12,463					12,463
iRoofing | Customer relationships
Intangible assets:
Intangible assets							2,400					2,400
iRoofing | Acquired technology
Intangible assets:
Intangible assets							3,700					3,700
iRoofing | Trademarks and tradenames
Intangible assets:
Intangible assets							600					600
iRoofing | Non-compete agreements
Intangible assets:
Intangible assets							155					155
Residential Warranty Services
Purchase consideration:
Cash	$ 25,600									25,572
Issuance of common stock	3,600									3,552
Holdback liabilities and amounts in escrow										1,000
Contingent consideration - liability-classified	8,700									8,700
Total purchase consideration:	$ 38,800									38,824
Assets:
Cash, cash equivalents and restricted cash										2,030
Current assets										525
Property and equipment										497
Operating lease right-of-use assets										871
Intangible assets:
Weighted Average Useful Life (in years)	7 years 8 months 12 days
Goodwill										27,366
Total assets acquired										46,229
Current liabilities										(6,869)
Operating lease liabilities, non-current										(536)
Net assets acquired										38,824
Residential Warranty Services | Customer relationships
Intangible assets:
Intangible assets										13,860
Residential Warranty Services | Acquired technology
Intangible assets:
Intangible assets										500
Residential Warranty Services | Trademarks and tradenames
Intangible assets:
Intangible assets										400
Residential Warranty Services | Non-compete agreements
Intangible assets:
Intangible assets										180
Other Acquisitions
Business Combinations
Acquisition related costs											1,600
Purchase consideration:
Cash										13,763	27,121	325
Issuance of common stock											3,026	358
Deferred acquisition consideration												80
Notes payable												607
Holdback liabilities and amounts in escrow										1,500	1,775
Contingent consideration - liability-classified											327
Total purchase consideration:										15,263	32,249	1,370
Assets:
Cash, cash equivalents and restricted cash							36			256	1,473	36
Current assets							7			7	1,795	7
Property and equipment							2				80	2
Operating lease right-of-use assets											445
Intangible assets:
Goodwill							1,358			10,698	14,499	1,358
Other non-current assets											3
Total assets acquired							1,943			15,411	35,410	1,943
Current liabilities							(527)			(148)	(2,485)	(527)
Operating lease liabilities, non-current											(204)
Long-term liabilities											(46)
Deferred tax liabilities, net							(46)				(426)	(46)
Net assets acquired							1,370			15,263	32,249	1,370
Other Acquisitions | Trademarks and tradenames
Intangible assets:
Intangible assets											4,750
Other Acquisitions | Customer relationships
Intangible assets:
Intangible assets										2,750	10,320
Other Acquisitions | Acquired technology
Intangible assets:
Intangible assets							300			1,480	1,340	300
Other Acquisitions | Trademarks and tradenames
Intangible assets:
Intangible assets							240			200	650	240
Other Acquisitions | Non-compete agreements
Intangible assets:
Intangible assets										20	55
Total Acquisition
Purchase consideration:
Cash										39,335	283,698	8,328
Issuance of common stock										3,552	35,707	6,859
Deferred acquisition consideration												80
Notes payable												607
Holdback liabilities and amounts in escrow										2,500	9,825
Contingent consideration - equity-classified											6,685
Contingent consideration - liability-classified										8,700	10,369	1,749
Total purchase consideration:										54,087	346,284	17,623
Assets:
Cash, cash equivalents and restricted cash							537			2,286	27,268	537
Current assets							773			532	251,777	773
Property and equipment							258			497	2,129	258
Operating lease right-of-use assets										871	4,889
Intangible assets:
Goodwill							10,176			38,064	197,365	10,176
Other non-current assets											55,193
Total assets acquired							21,089			61,640	664,725	21,089
Current liabilities							(1,733)			(7,017)	(295,834)	(1,733)
Operating lease liabilities, non-current										(536)	(3,262)
Long-term liabilities											(9,585)
Deferred tax liabilities, net							(1,733)				(9,760)	(1,733)
Net assets acquired							17,623			54,087	346,284	17,623
Total Acquisition | Insurance licenses
Intangible assets:
Intangible assets											4,960
Total Acquisition | Trademarks and tradenames
Intangible assets:
Intangible assets											4,750
Total Acquisition | Customer relationships
Intangible assets:
Intangible assets							3,140			16,610	48,370	3,140
Total Acquisition | Acquired technology
Intangible assets:
Intangible assets							4,470			1,980	35,965	4,470
Total Acquisition | Trademarks and tradenames
Intangible assets:
Intangible assets							1,510			600	21,700	1,510
Total Acquisition | Non-compete agreements
Intangible assets:
Intangible assets							$ 225			$ 200	225	$ 225
Total Acquisition | Value of business acquired
Intangible assets:
Intangible assets											400
Total Acquisition | Renewal rights
Intangible assets:
Intangible assets											$ 9,734