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Summary of Significant Accounting Policies - Contract Fulfillment Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Intake Costs asset
Contract With Customer, Asset And Liabilities [Line Items]
GROSS CARRYING AMOUNT	$ 63,856	$ 71,336
ACCUMULATED AMORTIZATION	(40,045)	(42,678)
NET CARRYING AMOUNT	23,811	28,658
Commissions asset
Contract With Customer, Asset And Liabilities [Line Items]
GROSS CARRYING AMOUNT	124,081	114,791
ACCUMULATED AMORTIZATION	(54,948)	(50,553)
NET CARRYING AMOUNT	$ 69,133	$ 64,238

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- Definition

[Line Items] for Contract With Customer, Asset And Liabilities [Table]

+ References

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- Definition

Amount of accumulated amortization of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054

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- Definition

Amount, before accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054

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