Amortizable Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Amortization expense	$ 1,200	$ 1,400	$ 1,300
Write off fully amortized intangible assets	6,900	0
Carrying value	1,064	10,837
Accumulated amortization	856	5,742
Net intangible assets	208	5,095
Other income (expense)	(5,190)	(905)	$ 2,937
Impairment charge	4,783
Trade Names [Member]
Carrying value		3,300
Trade Names [Member] | Wade Jurney Homes [Member]
Write off fully amortized intangible assets	3,300
Accumulated amortization	500
Impairment charge	2,800
Cell Phone Tower Lease [Member]
Carrying value	1,400	$ 1,408
Accumulated amortization	500
Net intangible assets	1,700
Other income (expense)	$ 800