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Dividends Declared (Detail) - $ / shares | Oct. 19, 2015 | Jul. 02, 2015 | Apr. 13, 2015 | Jan. 19, 2015
--- | --- | --- | --- | ---
January 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  |  |  | Jan. 30, 2015
Payment Date |  |  |  | Feb. 17, 2015
Dividend Declared Per Share |  |  |  | $ 0.06
February 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  |  |  | Feb. 27, 2015
Payment Date |  |  |  | Mar. 16, 2015
Dividend Declared Per Share |  |  |  | $ 0.06
March 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  |  |  | Mar. 31, 2015
Payment Date |  |  |  | Apr. 15, 2015
Dividend Declared Per Share |  |  |  | $ 0.06
April 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  |  | Apr. 30, 2015 |
Payment Date |  |  | May 15, 2015 |
Dividend Declared Per Share |  |  | $ 0.06 |
May 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  |  | May 29, 2015 |
Payment Date |  |  | Jun. 15, 2015 |
Dividend Declared Per Share |  |  | $ 0.06 |
June 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  |  | Jun. 30, 2015 |
Payment Date |  |  | Jul. 15, 2015 |
Dividend Declared Per Share |  |  | $ 0.06 |
July 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  | Jul. 31, 2015 |  |
Payment Date |  | Aug. 17, 2015 |  |
Dividend Declared Per Share |  | $ 0.06 |  |
August 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  | Aug. 31, 2015 |  |
Payment Date |  | Sep. 15, 2015 |  |
Dividend Declared Per Share |  | $ 0.06 |  |
September 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  | Sep. 15, 2015 |  |
Payment Date |  | Oct. 15, 2015 |  |
Dividend Declared Per Share |  | $ 0.034 |  |
September 2015 |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date |  | Sep. 30, 2015 |  |
Payment Date |  | Oct. 15, 2015 |  |
Dividend Declared Per Share |  | $ 0.026 |  |
October 2015 | Scenario Forecast |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date | Oct. 30, 2015 |  |  |
Payment Date | Nov. 16, 2015 |  |  |
Dividend Declared Per Share | $ 0.06 |  |  |
November 2015 | Scenario Forecast |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date | Nov. 30, 2015 |  |  |
Payment Date | Dec. 15, 2015 |  |  |
Dividend Declared Per Share | $ 0.06 |  |  |
December 2015 | Scenario Forecast |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Record Date | Dec. 31, 2015 |  |  |
Payment Date | Jan. 15, 2016 |  |  |
Dividend Declared Per Share | $ 0.06 |  |  |

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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 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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- 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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- 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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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