Fair Value Disclosures Fair Value Disclosures (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Disclosed at fair value:
Other Notes Payable	$ 70,966	$ 55,228
Fair Value, Inputs, Level 1 [Member]
Disclosed at fair value:
Cash and equivalents (including restricted cash), fair value	1,849,177	1,094,553
Fair Value, Inputs, Level 2 [Member]
Disclosed at fair value:
Financial Services debt, fair value	499,627	586,711
Debt Instrument, Fair Value Disclosure	2,009,221	2,023,990
Other Notes Payable	70,966	55,228
Land sale and other revenues | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Measured at fair value on a recurring basis:
Assets, Fair Value Disclosure	12,906	10,873
Measured at fair value on a non-recurring basis:
Assets, Fair Value Disclosure	12,906	10,873
IRLCs | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Measured at fair value on a recurring basis:
Assets, Fair Value Disclosure	2,420	9,258
Measured at fair value on a non-recurring basis:
Assets, Fair Value Disclosure	2,420	9,258
Forward contracts | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Measured at fair value on a recurring basis:
Financial and Nonfinancial Liabilities, Fair Value Disclosure	25,994	(16,709)
Whole loan commitments | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Measured at fair value on a recurring basis:
Financial and Nonfinancial Liabilities, Fair Value Disclosure	$ 23	$ 641