Income Taxes Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Line Items]
Income Tax Expense (Benefit)		$ (583,000)	$ 118,000	$ 267,000
Income (Loss) from Subsidiaries, Tax Expense (Benefit)	$ (707,000)	0	128,000
Deferred Income Tax Expense (Benefit)		0	0
Income Taxes Paid		$ 122,000	139,000	$ 198,000
Taxable REIT Subsidiary [Member]
Income Taxes [Line Items]
Income Tax Expense (Benefit)			128,000
Other than Taxable REIT Subsidiary [Member]
Income Taxes [Line Items]
Income Tax Expense (Benefit)			$ 139,000
Texas Franchise Tax [Member]
Income Taxes [Line Items]
Income Tax Expense (Benefit)	$ 124,000