Goodwill and Intangible Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Goodwill And Other Intangible Assets [Line Items]
Goodwill	$ 17,780	$ 17,780
Intangible assets:
Accumulated amortization	(5,442)	(3,821)
Intangible assets, net	2,708	4,329
Intangible liabilities:
Lease intangibles	100	100
Accumulated amortization	(81)	(47)
Intangible liabilities, net	19	53
Customer Relationships
Intangible assets:
Intangible assets gross	7,300	7,300
Trade Names
Intangible assets:
Intangible assets gross	$ 850	$ 850