Fair Value Disclosures Fair Value Disclosures (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Disclosed at fair value:
Debt Instrument, Fair Value Disclosure	$ 2,456,690	$ 3,375,564
Other Notes Payable	40,185	40,098
Fair Value, Inputs, Level 1 [Member]
Disclosed at fair value:
Cash and equivalents (including restricted cash), fair value	1,833,565	2,632,235
Fair Value, Inputs, Level 2 [Member]
Disclosed at fair value:
Financial Services debt, fair value	626,123	411,821
Land [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Measured at fair value on a recurring basis:
Assets, Fair Value Disclosure	0	582
Measured at fair value on a non-recurring basis:
Assets, Fair Value Disclosure	0	582
Residential Mortgage [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Measured at fair value on a recurring basis:
Assets, Fair Value Disclosure	947,139	564,979
Measured at fair value on a non-recurring basis:
Assets, Fair Value Disclosure	947,139	564,979
Interest rate lock commitments | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Measured at fair value on a recurring basis:
Assets, Fair Value Disclosure	8,549	16,161
Measured at fair value on a non-recurring basis:
Assets, Fair Value Disclosure	8,549	16,161
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	579	(5,436)
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	$ (380)	$ (498)