Investment in Office Properties and Parking Properties - Allocation of Purchase Price (Details) (USD $)			0 Months Ended
	Apr. 14, 2014 JTB Center, Courvoisier Centre, and One Orlando Center		Apr. 10, 2014 FLORIDA Courvoisier Centre	Apr. 14, 2014 First Mortgage FLORIDA One Orlando Center
Acquired Finite-Lived Intangible Assets [Line Items]
Land	$ 63,611,000
Office and parking properties	133,508,000
Tenant improvements	15,030,000
Lease commissions	5,515,000
Lease in place value	12,923,000
Above market leases	3,365,000
Below market leases	(3,130,000)
Mortgage debt premium	(1,967,000)	[1]
Purchase price reduction amount			5,300,000
Debt instrument face amount				54,000,000
Fair value of subordinated note				$ 56,000,000

[1] Mortgage debt assumed with the purchase of One Orlando Center was $54.0 million. The fair value of the mortgage assumed was $56.0 million.