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Stockholders' Equity (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2016 | Jun. 30, 2016 | Sep. 30, 2015 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Aug. 01, 2016 | Aug. 01, 2015
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] |  |  |  |  |  |  |  |
Amount of stock repurchase authorization |  |  |  |  |  |  |  | $ 100,000,000
Amount remaining under stock repurchase authorization |  | $ 100,000,000 |  |  | $ 100,000,000 |  |  |
Dividends, Common Stock [Abstract] |  |  |  |  |  |  |  |
Cash dividends declared per common share (in dollars per share) |  | $ 0.08 | $ 0.0625 | $ 0.0625 | $ 0.24 | $ 0.1875 |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] |  |  |  |  |  |  |  |
Amount of stock repurchase authorization |  |  |  |  |  |  | $ 100,000,000 |
Dividends, Common Stock [Abstract] |  |  |  |  |  |  |  |
Cash dividends declared per common share (in dollars per share) | $ 0.08 |  |  |  |  |  |  |

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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 Amount of stock repurchase plan authorized. + References No definition available. + Details
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