Revenue - Contract Liabilities - Activity Impacting Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Change in Contract with Customer, Liability
Deferred revenue	$ 201,085	$ 5,208
Insurance
Change in Contract with Customer, Liability
Earned premium, net of ceded	199,400
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Change in Contract with Customer, Liability
Revenue, Remaining Performance Obligation, Amount	3,800
Refundable Customer Deposits
Change in Contract with Customer, Liability
Beginning balance	3,193	6,274
Revenue recognized	(6,250)	(3,521)	$ (878)
Additional amounts deferred	3,403
Impact of acquisitions	15,652
Ending balance	15,274	3,193	6,274
ASC 606
Change in Contract with Customer, Liability
Beginning balance	5,208	3,333	4,553
Adoption of ASC 606			(940)
Revenue recognized	(239,942)	(4,923)	(7,490)
Additional amounts deferred	293,054	6,602	6,686
Impact of acquisitions	142,765	196	670
Impact of divestitures			(146)
Ending balance	201,085	5,208	3,333
ASC 606 \| Vertical Software
Change in Contract with Customer, Liability
Beginning balance	5,208	3,333	4,553
Adoption of ASC 606			(940)
Revenue recognized	(8,103)	(4,923)	(7,490)
Additional amounts deferred	5,539	6,602	6,686
Impact of acquisitions	1,170	196	670
Impact of divestitures			(146)
Ending balance	3,814	$ 5,208	$ 3,333
ASC 606 \| Insurance
Change in Contract with Customer, Liability
Revenue recognized	(230,616)
Additional amounts deferred	286,292
Impact of acquisitions	141,595
Ending balance	$ 197,271

Amount of increase in contract liability due to additions during the year.

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Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from adoption of ASU topic 606 which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

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Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from impact of divestitures.

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Earned premium, net of ceded

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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