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Bank Debt (Amended Credit Facility Maximum Leverage Ratio) (Details) | Dec. 31, 2016 | Mar. 17, 2016
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Line of Credit Facility [Line Items] |  |
Leverage Ratio | 295.00% |
Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Leverage Ratio |  | 275.00%
Maximum [Member] | September 30, 2016 through March 31, 2017 [Member] |  |
Line of Credit Facility [Line Items] |  |
Leverage Ratio | 450.00% |
Maximum [Member] | June 30, 2017 through March 31, 2018 [Member] |  |
Line of Credit Facility [Line Items] |  |
Leverage Ratio | 425.00% |
Maximum [Member] | June 30, 2018 and September 30, 2018 [Member] |  |
Line of Credit Facility [Line Items] |  |
Leverage Ratio | 400.00% |
Maximum [Member] | December 31, 2018 [Member] |  |
Line of Credit Facility [Line Items] |  |
Leverage Ratio | 375.00% |
Maximum [Member] | March 31, 2019 and June 30, 2019 [Member] |  |
Line of Credit Facility [Line Items] |  |
Leverage Ratio | 350.00% |

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- Definition Leverage Ratio + References No definition available. + Details
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