Segment Reporting - Narrative (Details)	12 Months Ended
Dec. 31, 2021 USD ($) customer segment	Dec. 31, 2020 USD ($) customer	Dec. 31, 2019 USD ($) customer
Number of reportable segments \| segment	2
Accounts and notes receivable	$ 124,016,000	$ 121,294,000
homegenius
Accounts and notes receivable	20,000,000	18,800,000
Total adjusted pretax operating income for reportable segments
Bad debt expense	$ 0	$ 0	$ 0
Customer Concentration Risk \| New Insurance Written
Number of customers \| customer	1	1	0
Concentration risk, threshold percentage	0.10	0.10	0.10
Customer Concentration Risk \| Consolidated Revenue
Number of customers \| customer	0	0	0
Concentration risk, threshold percentage	0.10	0.10	0.10

Concentration Risk, Threshold Percentage

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- Definition

Number of customers that account for 10 percent or more of an entity's revenues

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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