Investment in Unconsolidated Ventures - Summarized Income Statement Information (Parenthetical) (Detail) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Unrecognized basis difference on equity method investment	$ 1,648,000
Other ventures [Member] | Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	25.00%
Other ventures [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
CL Realty [Member]
Schedule of Equity Method Investments [Line Items]
Unrecognized basis difference on equity method investment	1,836,000
Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
Long-term Debt, Current Maturities	38,261,000	37,966,000
Non-recourse Debt [Member] | Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
Long-term Debt, Current Maturities	$ 38,115,000	$ 37,822,000