Name:	us-gaap_EquityAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The cash outflow to reacquire common stock during the period.

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Data Type:	xbrli:monetaryItemType
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Number of shares remaining authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
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Data Type:	xbrli:sharesItemType
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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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Name:	us-gaap_TreasuryStockCommonShares
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of shares that have been repurchased during the period and are being held in treasury.

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Name:	us-gaap_TreasuryStockSharesAcquired
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Data Type:	xbrli:sharesItemType
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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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