Name:	us-gaap_CommonStockAdditionalSeriesNoParValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

The maximum number of an additional series of common shares permitted to be issued by an entity's charter and bylaws.

No definition available.

Name:	us-gaap_CommonStockAdditionalSeriesSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Total number of additional series of shares of classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Excludes common shares repurchased by the entity and held as Treasury shares. Shares outstanding equals shares issued minus shares held in treasury.

No definition available.

Name:	us-gaap_CommonStockAdditionalSeriesSharesOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Face amount or stated value per share of nonredeemable convertible preferred stock; generally not indicative of the fair market value per share.

No definition available.

Name:	us-gaap_ConvertiblePreferredStockParStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Total number of nonredeemable convertible preferred shares that have been sold (or granted) to the entity's shareholders. Shares issued includes shares outstanding and shares held in treasury.

No definition available.

Name:	us-gaap_ConvertiblePreferredStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The maximum number of an additional series of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

No definition available.