Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

Name:	us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Financial Instruments and Fair Value Measurements - Fair Value Measurements for Assets and Liabilities at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Indemnification assets:
Software cost reimbursement		$ 1,428
Financial liabilities:
Interest rate swap	$ 515
Fair Value, Measurements, Recurring [Member] \| Level 2 [Member]
Financial liabilities:
Interest rate swap	$ 515
Fair Value, Measurements, Recurring [Member] \| Level 3 [Member]
Indemnification assets:
Software cost reimbursement		$ 1,428