Segment Information (Depreciation and Amortization) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Depreciation and amortization:
Depreciation and amortization	$ 69,953	$ 66,081	$ 53,999
Northeast [Member]
Depreciation and amortization:
Depreciation and amortization	2,631	2,454	1,962
Southeast [Member]
Depreciation and amortization:
Depreciation and amortization	4,765	4,308	4,448
Florida [Member]
Depreciation and amortization:
Depreciation and amortization	8,823	7,478	5,775
Texas [Member]
Depreciation and amortization:
Depreciation and amortization	4,989	3,631	3,423
Midwest [Member]
Depreciation and amortization:
Depreciation and amortization	6,332	5,329	4,417
West [Member]
Depreciation and amortization:
Depreciation and amortization	11,898	11,450	9,317
Other Homebuilding [Member]
Depreciation and amortization:
Depreciation and amortization	24,811	26,459	19,553
Home Building [Member]
Depreciation and amortization:
Depreciation and amortization	64,249	61,109	48,895
Financial Services [Member]
Depreciation and amortization:
Depreciation and amortization	$ 5,704	$ 4,972	$ 5,104