Loans Receivable (Details) $ in Thousands		3 Months Ended	12 Months Ended
		Mar. 31, 2016 USD ($) portfolio_segment class_of_financing type_of_financing	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan carrying-value	[1]	$ 95,770	$ 95,871
Number of types of financing receivable | type_of_financing		1
Number of portfolio segments | portfolio_segment		1
Number of classes of financing receivable | class_of_financing		1
Kennewick, Washington [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan carrying-value	[1]	$ 85,554	$ 85,505
Interest rate of mortgage loans		9.00%	9.00%
Oklahoma City, Oklahoma [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan carrying-value	[1],[2]	$ 8,420	$ 8,501
Interest rate of mortgage loans	[2]	11.50%	11.50%
Oklahoma City, Oklahoma [Member] | Tenant-in-Common [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan carrying-value				$ 8,420
Ownership percentage				40.00%
Other Loan Locations [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan carrying-value	[1]	$ 1,796	$ 1,865
Interest rate of mortgage loans		8.00%	8.00%

[1] Loan carrying value includes accrued interest and is net of origination costs, if any.

[2] In June 2015, the Company loaned a tenant-in-common $8,420. The loan is secured by the tenant-in-common's interest in an office property, in which the Company has a 40% interest. The loan was in default as of March 31, 2016.