Accrued Liabilities - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Jul. 31, 2012	Dec. 31, 2013 Property	Dec. 31, 2012	Dec. 31, 2011	Jan. 31, 2013 Property
Accrued Liabilities [Line Items]
Lease, base rent	$ 250,000	$ 402,000	$ 666,000	$ 902,000
Annual rate adjustment percentage	1.75%
Investments agreed under lease arrangement	200,000
Description of additional rent payable	Company will pay additional rent to the City equal to 5.0% of gross revenues exceeding $5,500,000 and 7.0% of gross revenues exceeding $6,500,000
Additional rent percentage exceeding $5,500,000 gross revenue	5.00%
Additional rent percentage on exceeding $6,500,000 gross revenue	7.00%
Gross revenue value for additional rent under lease amendment lower limit	5,500,000
Gross revenue value for additional rent under lease amendment upper limit	6,500,000
Rent deferred, no longer due	3,000,000	2,500,000
Lease term expiration year	2022
Number of acquisition properties leased		2			2
Tenant improvements credited at closing balance		58,977			773,000
Decrease in accrued liabilities for payments of completion of improvements		714,000
Remaining balance of completion of improvements to be paid on client request		59,000
Minimum [Member]
Accrued Liabilities [Line Items]
Base rent payments per year	250,000
Maximum [Member]
Accrued Liabilities [Line Items]
Base rent payments per year	$ 500,000