Lines of Credit (Details) - USD ($) $ in Thousands	Apr. 11, 2023	Sep. 30, 2024	Sep. 20, 2024	Dec. 31, 2023	Dec. 28, 2020	Dec. 27, 2020
Line of Credit Facility [Line Items]
Letters of credit outstanding, amount		$ 184,100
Financial Services:
Line of Credit Facility [Line Items]
Warehouse agreement borrowings		$ 171,221		$ 204,981
Maximum
Line of Credit Facility [Line Items]
Borrowing base required leverage ratio	55.00%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity					$ 1,200,000	$ 1,000,000
Line of credit facility, outstanding, extended maturity amount					1,125,000
Potential maximum borrowing capacity, subject to additional commitments					$ 1,700,000
Stated interest rate (percent)	0.00%
Maximum leverage ratio	55.00%
Minimum common stock outstanding ownership, percentage		50.00%
Letters of credit outstanding, amount		$ 36,300		40,800
Revolving credit facility		1,000		$ 10,000
Remaining borrowing capacity		1,090,000
Revolving Credit Facility | Fed Funds Effective Rate Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
Revolving Credit Facility | Specified Eurocurrency Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Mortgage Repurchase Facility | Warehouse Agreement Borrowings
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 150,000
Maximum increase to borrowing capacity		$ 175,000	$ 150,000