The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Stock Options - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended		1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jan. 17, 2013 Stock Option	Mar. 31, 2013 Stock Option	Dec. 31, 2012 Stock Option
Disclosure Stock Options Additional Information [Line Items]
Percentage of options vested					50.00%
Percentage of options that will vest next year			50.00%
Stock based compensation expense	$ 0	$ 88		$ 88