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Interest Rate, Credit, and Market Risk Exposures (Details) - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2023

Dec. 31, 2022

Dec. 31, 2021

Principal value of variable rate long term debt

$ 206

Securitization obligations

$ 115

$ 163

Owned Brokerage Group | Geographic Concentration Risk - California

Concentration risk, geographic area, revenue

22.00%

23.00%

25.00%

Owned Brokerage Group | Geographic Concentration Risk - New York

Concentration risk, geographic area, revenue

21.00%

21.00%

21.00%

Owned Brokerage Group | Geographic Concentration Risk - Florida

Concentration risk, geographic area, revenue

14.00%

13.00%

13.00%

Revolving Credit Facility | Line of Credit

Long-term Line of Credit

$ 285

^[1],[2]

$ 350

[1]

As of December 31, 2023, the Company had $1,100 million of borrowing capacity under its Revolving Credit Facility. As of December 31, 2023, there were $285 million outstanding borrowings under the Revolving Credit Facility and $33 million of outstanding undrawn letters of credit. On February 14, 2024, the Company had $383 million outstanding borrowings under the Revolving Credit Facility and $33 million of outstanding undrawn letters of credit.

[2]

See below under the header "Senior Secured Credit Agreement and Term Loan A Agreement" for additional information.

X

- Definition

Description of risks that arise due to concentrations of revenues in a certain geographic area, either domestic or foreign. The description may address risks inherent in the geographic area, and, at a minimum, informs users of the general nature of the risk, but excludes "Information about Geographic Areas" that may be disclosed elsewhere (for instance, segment disclosures).

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
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-Section S99
-Paragraph 1
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- Definition

Secured financing other than securities sold under agreements to repurchase and securities loaned.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 15
-Paragraph 83
-Publisher FASB
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