Real Estate Inventory (Narrative) (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Real Estate [Line Items]
Real estate inventory, selling price		$ 4,100,000
Lease agreement term				5 years
Annual rental payments				$ 700,000
Rental income	$ 10,000		$ 0	300,000	$ 0
Sale of real estate inventory	4,100,000
Real Estate, Inventory Post Write-down Carrying Value	3,700,000		3,800,000
Closing costs on sale of real estate inventory	300,000
Gross profit realized on sale of real estate inventory	100,000
Real estate inventory write-down	0		2,748,000	0	$ 2,748,000
Approximations [Member]
Real Estate [Line Items]
Real estate inventory write-down	$ 0		$ 2,700,000	$ 0