Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loan receivable	$ 120,798	[1]	$ 99,443	[1]
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap assets	3,927		4,439
Investment in and advances to non-consolidated entities			683	[2]
Fair Value, Measurements, Recurring [Member] | Fair Value Measurements Using Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap assets	0		0
Investment in and advances to non-consolidated entities			0	[2]
Fair Value, Measurements, Recurring [Member] | Fair Value Measurements Using Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap assets	3,927		4,439
Investment in and advances to non-consolidated entities			0	[2]
Fair Value, Measurements, Recurring [Member] | Fair Value Measurements Using Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap assets	0		0
Investment in and advances to non-consolidated entities			683	[2]
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired real estate assets	5,574	[2]	12,549	[2]
Impaired loan receivable			12,610	[2]
Fair Value, Measurements, Nonrecurring [Member] | Fair Value Measurements Using Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired real estate assets	0	[2]	0	[2]
Impaired loan receivable			0	[2]
Fair Value, Measurements, Nonrecurring [Member] | Fair Value Measurements Using Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired real estate assets	0	[2]	0	[2]
Impaired loan receivable			0	[2]
Fair Value, Measurements, Nonrecurring [Member] | Fair Value Measurements Using Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired real estate assets	5,574	[2]	12,549	[2]
Impaired loan receivable			$ 12,610	[2]

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

[2] Represents a non-recurring fair value measurement.