XML 126 R101.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Events - Additional Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended | 0 Months Ended
--- | --- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jan. 13, 2015
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends per share declared on outstanding common stock | $ 0.25us-gaap_CommonStockDividendsPerShareDeclared | $ 0.10us-gaap_CommonStockDividendsPerShareDeclared | $ 0.10us-gaap_CommonStockDividendsPerShareDeclared | $ 0.10us-gaap_CommonStockDividendsPerShareDeclared | $ 0.23us-gaap_CommonStockDividendsPerShareDeclared | $ 0.10us-gaap_CommonStockDividendsPerShareDeclared | $ 0.08us-gaap_CommonStockDividendsPerShareDeclared | $ 0.08us-gaap_CommonStockDividendsPerShareDeclared | $ 0.20us-gaap_CommonStockDividendsPerShareDeclared | $ 0.08us-gaap_CommonStockDividendsPerShareDeclared | $ 0.08us-gaap_CommonStockDividendsPerShareDeclared | $ 0.10us-gaap_CommonStockDividendsPerShareDeclared | $ 0.55us-gaap_CommonStockDividendsPerShareDeclared | $ 0.49us-gaap_CommonStockDividendsPerShareDeclared | $ 0.46us-gaap_CommonStockDividendsPerShareDeclared |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends per share declared on outstanding common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.12us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Dividend payable date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Mar. 02, 2015
Dividends payable, shareholders record date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Feb. 18, 2015

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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Period Type: | duration

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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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Balance Type: | na
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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
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- Details
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- Details
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Period Type: |