Derivative Instruments and Hedging Activities (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013 item	Jun. 30, 2012	Jun. 30, 2013 item	Jun. 30, 2012	Dec. 31, 2012 item
Derivative instruments and hedging activities
Number of derivative instruments classified as liabilities	0		0		0
Unrealized gain (loss) on interest rate swaps and caps qualifying as hedges		$ 28,000		$ 20,000
Realized loss on sale of interest rate derivative	24,000		45,000
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)			0
Interest rate cap | Derivatives designated as hedging instruments | Derivates in Cash Flow Hedging Relationships
Derivative instruments and hedging activities
Amount of Gain or (Loss) Recognized in AOCI on Derivative (Effective Portion)		28,000		20,000
Amount of Loss Reclassified from AOCI into Income (Effective Portion)		(63,000)		(68,000)
Interest rate cap | Derivatives not designated as hedging Instruments | Derivates in Cash Flow Hedging Relationships
Derivative instruments and hedging activities
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	(24,000)		(45,000)
Interest rate cap | Chase Park Plaza Hotel and Chase - The Private Residences | Derivatives not designated as hedging Instruments
Derivative instruments and hedging activities
Notional Value	59,000,000		59,000,000
Interest Rate/ Strike Rate (as a percent)	3.00%		3.00%
Fair Value Asset	2,000		2,000
Maximum
Derivative instruments and hedging activities
Unrealized gain (loss) on interest rate swaps and caps qualifying as hedges			100,000	100,000
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)			100,000	100,000
Prepaid expenses and other assets | Interest rate cap | Derivatives designated as hedging instruments
Derivative instruments and hedging activities
Interest rate derivative contracts, fair value					2,000
Prepaid expenses and other assets | Maximum
Derivative instruments and hedging activities
Derivative assets	$ 100,000		$ 100,000		$ 100,000