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Dividends - Additional Information (Detail) (USD $)
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3 Months Ended | 6 Months Ended | 0 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Aug. 08, 2013
Subsequent Event
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| Dividends Payable [Line Items] | |||||
| Paid cash dividends, per share | $ 0.17 | $ 0.16 | |||
| Dividends declared per common share | $ 0.09 | $ 0.08 | $ 0.17 | $ 0.16 | $ 0.09 |
| Dividend payable, date declared, day month and year | Aug. 08, 2013 | ||||
| Dividends payable, date to be paid, day, month and year | Sep. 12, 2013 | ||||
| Dividends payable, date of record, day, month and year | Aug. 22, 2013 | ||||
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- Definition
Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Date the declared dividend will be paid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Date the dividend to be paid was declared, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. No definition available.
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- Details
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