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Subsequent Events (Details) - $ / shares | 3 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Mar. 31, 2015
Subsequent Event [Line Items] |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | [1] |  | $ 0.885 | $ 0.885
Common Stock [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Dividends Payable, Date Declared | [1] |  | May 20, 2016 | Feb. 18, 2016
Dividends Payable, Date to be Paid | [1] |  | Jun. 30, 2016 | Mar. 31, 2016
Dividends Payable, Date of Record | [1] |  | Jun. 17, 2016 | Mar. 18, 2016
Dividend Declared [Member] | Common Stock [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Dividends Payable, Date Declared |  | Aug. 02, 2016 |  |
Dividends Payable, Date to be Paid |  | Sep. 30, 2016 |  |
Dividends Payable, Date of Record |  | Sep. 16, 2016 |  |
Paid subsequent to current quarter end [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid |  | $ 0.885 |  |
[1] | Inclusive of dividends accrued for holders of unvested restricted stock units and payments of previously accrued dividends for holders of restricted stock units that have vested during the six months ended June 30, 2016.

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- Definition Aggregate dividends paid 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 dividend to be paid was declared, 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 Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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- Details
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