Variable Interest Entities (Details)	3 Months Ended
Mar. 31, 2014
Variable Interest Entities Text Details [Abstract]
Variable Interest Entity Nonexistence Flag	Yes

An assertion that there are no Variable Interest Entities (VIE) about which the entity is required to make any GAAP disclosures.

No definition available.

Name:	us-gaap_VariableInterestEntityNonexistenceFlag
Namespace Prefix:	us-gaap_
Data Type:	us-types:yesNoItemType
Balance Type:	na
Period Type:	duration