Inventories - Inventory Impairments (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Inventory [Line Items]
Inventory Impairments	$ 92,800	$ 28,415	$ 660	$ 1,600	$ 121,875	$ 1,600	$ 0
Homebuilding:
Inventory [Line Items]
Inventory Impairments					121,875	1,600	0
Homebuilding: | Housing completed or under construction
Inventory [Line Items]
Inventory Impairments					9,829	1,600	0
Homebuilding: | Land and land under development
Inventory [Line Items]
Inventory Impairments					112,046	0	0
Homebuilding: | West | Housing completed or under construction
Inventory [Line Items]
Inventory Impairments					8,017	1,600	0
Homebuilding: | West | Land and land under development
Inventory [Line Items]
Inventory Impairments					88,843	0	0
Homebuilding: | Mountain | Housing completed or under construction
Inventory [Line Items]
Inventory Impairments					1,812	0	0
Homebuilding: | Mountain | Land and land under development
Inventory [Line Items]
Inventory Impairments					20,688	0	0
Homebuilding: | East | Housing completed or under construction
Inventory [Line Items]
Inventory Impairments					0	0	0
Homebuilding: | East | Land and land under development
Inventory [Line Items]
Inventory Impairments					$ 2,515	$ 0	$ 0