Summary of Significant Accounting Policies - Derivatives and Hedging - Additional Information (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2015 USD ($) Agreement
Summary Of Significant Accounting Policies [Line Items]
Derivative Instrument maturity term	Mar. 15, 2016
Number of interest rate swap \| Agreement	1
Settlement of forward starting interest rate derivative agreements \| $	$ 830
Senior Secured Revolving Credit Facility, Due 2016 [Member]
Summary Of Significant Accounting Policies [Line Items]
Derivative Instrument maturity term	Mar. 18, 2016

The number of derivative instruments of a particular group held by the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959

Name:	us-gaap_DerivativeNumberOfInstrumentsHeld
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant