Revenue - Contract Liabilities - Activity Impacting Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2022
Change in Contract with Customer, Liability
Earned premium, net of ceded	$ 83,100		$ 154,800
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01
Change in Contract with Customer, Liability
Revenue, remaining performance obligation, amount	$ 4,200		$ 4,200
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	12 months		12 months
Refundable Customer Deposits
Change in Contract with Customer, Liability
Beginning balance		$ 15,274	$ 15,274
Revenue recognized			(13,593)
Additional amounts deferred			17,565
Ending balance	$ 19,246		19,246
ASC 606
Change in Contract with Customer, Liability
Beginning balance	198,857	201,085	201,085
Revenue recognized	(103,681)	(97,273)
Additional amounts deferred	142,543	95,045
Ending balance	243,425	198,857	243,425
Impact of acquisitions	5,706
ASC 606 \| Vertical Software
Change in Contract with Customer, Liability
Beginning balance	4,257	3,814	3,814
Revenue recognized	(6,027)	(5,279)
Additional amounts deferred	5,815	5,722
Ending balance	4,241	4,257	4,241
Impact of acquisitions	196
ASC 606 \| Insurance
Change in Contract with Customer, Liability
Beginning balance	194,600	197,271	197,271
Revenue recognized	(97,654)	(91,994)
Additional amounts deferred	136,728	89,323
Ending balance	239,184	$ 194,600	$ 239,184
Impact of acquisitions	$ 5,510

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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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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Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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