Commitments and Contingencies - Narrative (Details)	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 1987 leaseRenewalOption lease	Dec. 31, 1987 leaseRenewalOption leaseExtension lease
Commitment And Contingencies [Line Items]
Legal reserve	$ 0	$ 0
Outstanding warranty insurance receivables	66,014,000	56,367,000
Estimated remaining liabilities related to surety bonds	12,431,000	19,420,000
Operating lease expense	10,300,000	9,800,000	$ 9,500,000
Land purchase and land option deposits	175,467,000	228,892,000
Aggregate remaining purchase price	$ 1,200,000,000
Extension Through 2071
Commitment And Contingencies [Line Items]
Term of lease extension (in years)				10 years	10 years
Office Leases
Commitment And Contingencies [Line Items]
Lease obligation original term (in years)	10 years
Equipment Leases | Minimum
Commitment And Contingencies [Line Items]
Lease obligation original term (in years)	3 years
Equipment Leases | Maximum
Commitment And Contingencies [Line Items]
Lease obligation original term (in years)	4 years
Ground leases
Commitment And Contingencies [Line Items]
Lease obligation original term (in years)				55 years	55 years
Number of properties subject to ground leases | lease				2	2
Ground leases | Ten Year Renewal Option
Commitment And Contingencies [Line Items]
Number of lease renewal options				3	3
Term of lease extension (in years)				10 years	10 years
Ground leases | Forty-five Year Renewal Option
Commitment And Contingencies [Line Items]
Lease obligation original term (in years)				45 years	45 years
Number of properties subject to ground leases | leaseRenewalOption				1	1
Ground leases | Extension Through 2071
Commitment And Contingencies [Line Items]
Number of ground leases extended | leaseExtension					1
Surety bonds
Commitment And Contingencies [Line Items]
Outstanding surety bonds	$ 697,200,000	710,800,000
Estimated remaining liabilities related to surety bonds	$ 435,900,000	$ 443,700,000