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Long-Term Debt - Schedule Of Consolidated Leverage Ratio Cash Balances (Details) - USD ($) | Dec. 31, 2016 | Feb. 29, 2016
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Debt Instrument [Line Items] |  |
Minimum Cash Balance | $ 150,000,000 |
Greater than or equal to 4.50x [Member] | Line of Credit [Member] | February 2016 Amendment [Member] |  |
Debt Instrument [Line Items] |  |
Minimum Cash Balance |  | $ 150,000,000.00
Greater than or equal to 4.00x but less than 4.50x [Member] | Line of Credit [Member] | February 2016 Amendment [Member] |  |
Debt Instrument [Line Items] |  |
Minimum Cash Balance |  | 100,000,000.00
Greater than or equal to 3.50x but less than 4.00x [Member] | Line of Credit [Member] | February 2016 Amendment [Member] |  |
Debt Instrument [Line Items] |  |
Minimum Cash Balance |  | 50,000,000.00
Less than 3.50x [Member] | Line of Credit [Member] | February 2016 Amendment [Member] |  |
Debt Instrument [Line Items] |  |
Minimum Cash Balance |  | $ 0.00

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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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- Details
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