Inventories - Schedule of Inventory Impairments (Details) - USD ($) $ in Thousands	3 Months Ended										12 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Inventory [Line Items]
Inventory Impairments	$ 6,300	$ 4,550	$ 5,900	$ 2,200	$ 6,200	$ 13,500	$ 7,800	$ 92,800	$ 28,415	$ 660	$ 16,750	$ 29,700	$ 121,875
Homebuilding:
Inventory [Line Items]
Inventory Impairments											16,750	29,700	121,875
Homebuilding: | Housing completed or under construction
Inventory [Line Items]
Inventory Impairments											7,173	5,206	9,829
Homebuilding: | Land and land under development
Inventory [Line Items]
Inventory Impairments											9,577	24,494	112,046
Homebuilding: | West | Housing completed or under construction
Inventory [Line Items]
Inventory Impairments											4,851	3,673	8,017
Homebuilding: | West | Land and land under development
Inventory [Line Items]
Inventory Impairments											6,749	15,677	88,843
Homebuilding: | Mountain | Housing completed or under construction
Inventory [Line Items]
Inventory Impairments											400	1,533	1,812
Homebuilding: | Mountain | Land and land under development
Inventory [Line Items]
Inventory Impairments											0	8,817	20,688
Homebuilding: | East | Housing completed or under construction
Inventory [Line Items]
Inventory Impairments											1,922	0	0
Homebuilding: | East | Land and land under development
Inventory [Line Items]
Inventory Impairments											$ 2,828	$ 0	$ 2,515