XML 30 R24.htm IDEA: XBRL DOCUMENT v2.4.0.8

Fair Value Measurements - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2014
Fair Value Disclosures [Abstract]
Transfers between fair value measurements levels	$ 0

X

- Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration