Business Combinations - Fair value of intangible assets (Details) - USD ($) $ in Thousands				6 Months Ended
	May 20, 2021	Apr. 05, 2021	Jan. 12, 2021	Jun. 30, 2021
January 12,2021 Acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)			7 years 7 months 6 days
Fair Value			$ 6,440
HOA acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)		8 years 4 months 24 days
Intangible assets, finite-lived		$ 41,952
Insurance Licenses		$ 4,960
May 20, 2021 Acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)	10 years
Intangible assets, finite-lived	$ 16,590
Total Acquisition
Business Acquisition [Line Items]
Insurance Licenses				$ 4,960
Customer relationships
Business Acquisition [Line Items]
Estimated Useful Life (in years)				10 years
Customer relationships | January 12,2021 Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived			1,650
Fair Value			1,650
Customer relationships | HOA acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)		10 years
Intangible assets, finite-lived		$ 16,700
Customer relationships | May 20, 2021 Acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)	10 years
Intangible assets, finite-lived	$ 12,700
Customer relationships | Other Acquisitions
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 6,400
Customer relationships | Total Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 37,450
Acquired technology
Business Acquisition [Line Items]
Estimated Useful Life (in years)				5 years
Acquired technology | January 12,2021 Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived			3,525
Fair Value			3,525
Acquired technology | May 20, 2021 Acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)	7 years
Intangible assets, finite-lived	$ 2,900
Acquired technology | Other Acquisitions
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 940
Acquired technology | Total Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 7,365
Trademarks and tradenames
Business Acquisition [Line Items]
Estimated Useful Life (in years)				11 years
Trademarks and tradenames | January 12,2021 Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived			1,225
Fair Value			1,225
Trademarks and tradenames | HOA acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)		10 years
Intangible assets, finite-lived		$ 12,200
Trademarks and tradenames | May 20, 2021 Acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)	20 years
Intangible assets, finite-lived	$ 900
Trademarks and tradenames | Other Acquisitions
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 410
Trademarks and tradenames | Total Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 14,735
Non-competition agreements
Business Acquisition [Line Items]
Estimated Useful Life (in years)				1 year
Non-competition agreements | January 12,2021 Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived			40
Fair Value			$ 40
Non-competition agreements | May 20, 2021 Acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)	1 year
Intangible assets, finite-lived	$ 90
Non-competition agreements | Other Acquisitions
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 15
Non-competition agreements | Total Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 145
Value of business acquired
Business Acquisition [Line Items]
Estimated Useful Life (in years)				1 year
Value of business acquired | HOA acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)		1 year
Intangible assets, finite-lived		$ 400
Value of business acquired | Total Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 400
Renewal rights
Business Acquisition [Line Items]
Estimated Useful Life (in years)				8 years
Renewal rights | HOA acquisition
Business Acquisition [Line Items]
Estimated Useful Life (in years)		8 years
Intangible assets, finite-lived		$ 7,692
Renewal rights | Total Acquisition
Business Acquisition [Line Items]
Intangible assets, finite-lived				$ 7,692