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Employee Savings and Investment Plan (Additional Information) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Employer contributions | $ 6,500,000 | $ 13,000,000 |
Rogers Employee Savings and Investment Plan (RESIP) |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
IRS deferral limit | $ 18,000 | 17,500 |
Employee compensation subject to employer matching percent | 6.00% |  |
Employer contributions | $ 3,200,000 | $ 2,700,000 | $ 2,100,000
Rogers Employee Savings and Investment Plan (RESIP) | 100% match |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Employee compensation subject to employer matching percent | 3.50% |  |
Rogers Employee Savings and Investment Plan (RESIP) | 100% match | 1% of compensation |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Employer matching contribution percent | 100.00% |  |
Employee compensation subject to employer matching percent | 1.00% |  |
Rogers Employee Savings and Investment Plan (RESIP) | 50% match | 5% of compensation |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Employer matching contribution percent | 50.00% |  |
Employee compensation subject to employer matching percent | 5.00% |  |

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- Definition Employee Compensation Subject to Employer Matching, Percent + References No definition available. + Details
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- Definition IRS deferral limit + References No definition available. + Details
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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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