Fair Value Measurements Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Carrying (Reported) Amount, Fair Value Disclosure [Member]
ASSETS:
Servicing Asset	$ 8,300	$ 8,300		$ 9,900
Cash, cash equivalents and restricted cash	734,174	734,174		821,570
Mortgage loans held for sale	239,585	239,585		283,540
Commitments to extend real estate loans (assets)	5,383	5,383		532
Forward sales of mortgage-backed securities	0	0		2,946
LIABILITIES:
Notes payable - homebuilding operations	0	0		0
Notes payable - financial services operations	231,979	231,979		286,159
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	770	770		864
Forward sales of mortgage-backed securities	4,146	4,146		0
Estimate of Fair Value, Fair Value Disclosure [Member]
ASSETS:
Servicing Asset	8,300	8,300
Cash, cash equivalents and restricted cash	734,174	734,174		821,570
Mortgage loans held for sale	239,585	239,585		283,540
Commitments to extend real estate loans (assets)	5,383	5,383		532
Forward sales of mortgage-backed securities	0	0		2,946
LIABILITIES:
Notes payable - homebuilding operations	0	0		0
Notes payable - financial services operations	231,979	231,979		286,159
Senior Notes due 2028 (a)	397,500	397,500		383,500
Senior Notes due 2030 (a)	286,125	286,125		267,375
Whole Loan contracts for committed IRLCs and mortgage loans held for sale	770	770		864
Forward sales of mortgage-backed securities	4,146	4,146		$ 0
Production Related Impairments or Charges	$ 7,583	7,583	$ 0
Total valuation adjustments and write-offs		1,600
inventory impairment		$ 6,000