Debt (Schedule of Outstanding Debt Obligations) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Notes payable	$ 1,016,548	$ 998,936
Revolving line of credit	165,000
Mortgage repurchase facilities	195,047	331,876
Total debt	1,376,595	1,330,812
Senior Note 3.875% Due August 2029 [Member]
Debt Instrument [Line Items]
Notes payable	$ 494,691	494,117
Interest rate	3.875%
Maturity date	2029-08
Senior Notes 6.750% Due May 2027 [Member]
Debt Instrument [Line Items]
Notes payable	$ 496,190	495,581
Interest rate	6.75%
Maturity date	2027-05
Construction Loan Agreement [Member]
Debt Instrument [Line Items]
Notes payable	$ 3,000
Other Financing Obligations [Member]
Debt Instrument [Line Items]
Notes payable	25,667	9,238
Other Financing Obligations [Member] \| Insurance Premium Notes And Certain Secured Borrowings [Member]
Debt Instrument [Line Items]
Notes payable	$ 22,700	$ 9,200

Debt Instrument Maturity Date 2

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- Definition

Amount of short-term and long-term debt and lease obligation.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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.

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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- Definition

Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

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