Commitments and Contingencies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012 Land Improvements
Commitments and Contingencies [Line Items]
Commitment to lease property, total lease consideration for the assignment would be received by anchor tenant	$ 2,550
Commitment to lease property, lease consideration remitted to anchor tenant by ARJAX , to date	1,400
Obligation for repairs or improvements		500
Contractual obligation	$ 97

Net cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy; for costs that are essential to originating the lease and would not otherwise have been incurred without the lease agreement, including but not limited to, evaluating the lessee's credit condition, guarantees, and collateral and costs incurred in negotiating, processing, and executing the lease agreement; and for any commission(s) incurred.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration