Revolving Term Credit Facilities and Debt - Additional Information - Note Payable-Bank (Detail) (Notes Payable to Banks [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014 Payments
Notes Payable to Banks [Member]
Short-term Debt [Line Items]
Notes payable	$ 69
Monthly payment of Note Installments	69
Debt instrument interest rate	3.45%
Notes payable	$ 678
Number of monthly payments	10
Issuance date of Note payable	Jan. 10, 2014
Payment commencing date	Jan. 30, 2014