Summary of Notes Payable (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Debt Instrument [Line Items]
Banks - primarily secured, varying payments and rates	$ 4,202	[1]	$ 6,031	[1]
Other than banks	1,625		450
Loans Payable, Total	$ 5,827		$ 6,481

[1] Average interest rates were 2.82% and 3.07% at December 31, 2013 and 2012, respectively.