Income Taxes Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Expense (Benefit)	$ (738,000)	$ (9,912,000)	$ 1,083,000
Tax Cuts and Jobs Act, Change in Tax Rate, Deferred Tax Liability, Income Taxes		3,900,000
Operating Loss Carryforwards	6,800,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis Difference	114,000,000
Deferred Tax Liabilities, Net	$ 6,878,000	$ 8,202,000
Common Stock, Dividends, Per Share, Declared	$ 1.00	$ 0.45	$ 0
Common Stock, Dividends, Per Share, Indicated Annual Amount	0.90
Common Stock, Dividends, Per Share, Additional Declared	0.10
Common Stock, Dividends, Per Share, Declared, Taxable As Ordinary Income in Current Year	0.42	0.385
Common Stock, Dividends, Per Share, Declared, Taxable As Return of Capital	0.355	$ 0.065
Common Stock, Dividends, Per Share, Declared, Taxable Status to be Determined in Next Year	$ 0.225
Subsidiaries
Income Tax Expense (Benefit)	$ 0
Minimum
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2037
Maximum
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2038