Label	Element	Value
Cumulative Effect on Retained Earnings, Net of Tax	us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1	$ 9,217,000
Retained Earnings [Member]
Cumulative Effect on Retained Earnings, Net of Tax	us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1	$ 9,217,000

Amount of the cumulative effect on retained earnings net of related income tax effect.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

Name:	us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration