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Debt - Schedule of Warehouse Lines of Credit (Details) - USD ($)	Jun. 30, 2021	Jun. 26, 2021	Jun. 25, 2021
Comerica Bank
Debt Instrument [Line Items]
Maximum Borrowing Capacity		$ 60,000,000.0	$ 100,000,000.0
Line of Credit | Mortgages segment
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 460,000,000
Line of Credit | Credit Suisse AG, Cayman Islands | Mortgages segment
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 300,000,000
Weighted-Average Interest Rate	2.50%
Line of Credit | Citibank, N.A. | Mortgages segment
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 100,000,000
Weighted-Average Interest Rate	1.85%
Line of Credit | Comerica Bank | Mortgages segment
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 60,000,000
Weighted-Average Interest Rate	2.70%

X

- Definition

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+ References

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- Definition

Weighted average interest rate of debt outstanding.

+ References

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X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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