Summary of Significant Accounting Policies (Deferred Financing Fees) (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred financing fees, net	$ 428,000	$ 1,087,000
Deferred financing fees amortization	1,900,000	1,800,000
Notes payable, net	141,882,000	154,460,000
Obligations associated with real estate held for sale	0	14,897,000
Disposal Group, Held-for-sale, Not Discontinued Operations
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred financing fees related to obligations associated with real estate held for sale	0	69,000
Disposal Group, Including Discontinued Operation, Notes Payable, Net	0	14,831,000
Other liabilities		100,000
Accounting Standards Update 2015-03
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred financing fees, net		0
Notes payable, net		154,460
Obligations associated with real estate held for sale		14,897
Accounting Standards Update 2015-03 | Actual
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred financing fees, net	$ 400,000	1,200,000
Accounting Standards Update 2015-03 | Originally Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred financing fees, net		1,156
Notes payable, net		155,547
Obligations associated with real estate held for sale		14,966
Accounting Standards Update 2015-03 | Reclassification
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred financing fees, net		(1,156)
Notes payable, net		(1,087)
Obligations associated with real estate held for sale		$ 0