Debt Debt (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022
Line of Credit Facility [Line Items]
Debt Instrument, Unused Borrowing Capacity, Amount	$ 1,600,000
Notes payable bank - homebuilding operations	0
letters of credit outstanding under credit facility	94,900
Maximum borrowing availability subject to limit	555,100
Minimum Tangible Net Worth	$ 1,300,000
Leverage ratio	60.00%
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 800,000
Sub-limit for letters of credit	$ 250,000	$ 150,000
Line of Credit Facility, Expiration Date	Dec. 09, 2026
Basis Point Spread on Variable Rate	1.75%
Line of Credit Facility, Current Borrowing Capacity	$ 650,000	$ 550,000
SOFR Floor	0.25%
Consolidated EBITDA [Member]
Line of Credit Facility [Line Items]
Interest Coverage Ratio	1.5
Consolidated Interest Incurred [Member]
Line of Credit Facility [Line Items]
Interest Coverage Ratio	1.0
2028 Senior Notes [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Face Amount	$ 400,000
Debt Instrument, Interest Rate, Stated Percentage	4.95%
2030 Senior Notes
Line of Credit Facility [Line Items]
Debt Instrument, Face Amount	$ 300,000
Debt Instrument, Interest Rate, Stated Percentage	3.95%