Inventories - Inventory Impairments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Inventory [Line Items]
Inventory Impairments	$ 660	$ 0
Homebuilding:
Inventory [Line Items]
Inventory Impairments	660	0
Homebuilding: | Housing Completed or Under Construction
Inventory [Line Items]
Inventory Impairments	660	0
Homebuilding: | West | Housing Completed or Under Construction
Inventory [Line Items]
Inventory Impairments	660	0
Homebuilding: | Mountain | Housing Completed or Under Construction
Inventory [Line Items]
Inventory Impairments	0	0
Homebuilding: | East | Housing Completed or Under Construction
Inventory [Line Items]
Inventory Impairments	$ 0	$ 0