Fair Value Measurements Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Carrying (Reported) Amount, Fair Value Disclosure [Member]
ASSETS:
Servicing Asset	$ 4,700		$ 4,700		$ 10,400
Cash, cash equivalents and restricted cash	735,941		735,941		689,189
Mortgage loans held for sale	258,965		258,965		309,100
Commitments to extend real estate loans (assets)	2,841		2,841		3,661
Forward sales of mortgage-backed securities	1,898		1,898		0
LIABILITIES:
Notes payable - homebuilding operations	0		0		0
Notes payable - financial services operations	252,366		252,366		276,856
Senior Notes due 2028 (a)	400,000		400,000		400,000
Senior Notes due 2030 (a)	300,000		300,000		300,000
Whole Loan contracts for committed IRLCs and mortgage loans held for sale	1,143		1,143		817
Forward sales of mortgage-backed securities	0		0		635
Estimate of Fair Value, Fair Value Disclosure [Member]
ASSETS:
Servicing Asset	4,700		4,700
Cash, cash equivalents and restricted cash	735,941		735,941		689,189
Mortgage loans held for sale	258,965		258,965		309,100
Commitments to extend real estate loans (assets)	2,841		2,841		3,661
Forward sales of mortgage-backed securities	1,898		1,898		0
LIABILITIES:
Notes payable - homebuilding operations	0		0		0
Notes payable - financial services operations	252,366		252,366		276,856
Senior Notes due 2028 (a)	397,500		397,500		398,000
Senior Notes due 2030 (a)	284,625		284,625		287,625
Whole Loan contracts for committed IRLCs and mortgage loans held for sale	1,143		1,143		817
Forward sales of mortgage-backed securities	0		0		$ 635
Production Related Impairments or Charges	$ 4,200	$ 0	4,200	$ 0
inventory impairment			$ 4,200