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Long-Term Debt (Loss on Early Extinguishments and Modifications of Debt) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Extinguishment of Debt [Line Items] |  |  |  |  |
Gain (Loss) on Extinguishment of Debt | $ (319) | $ (41,518) | $ (853) | $ (42,364) |
Repayments of Debt | 20,000 |  | 25,000 |  |
Parent Company [Member] |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |
Gain (Loss) on Extinguishment of Debt | $ (319) | $ (28,356) | $ (853) | $ (28,356) |
Parent Company [Member] | 6.375% Senior Notes Due 2026 [Member] | Senior Notes [Member] |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.375% |  | 6.375% |  | 6.38%
Parent Company [Member] | Senior Notes Due 2018 [Member] | Senior Notes [Member] |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 9.00% |  | 9.00% |  |
Parent Company [Member] | Peninsula Senior Notes due 2018 [Member] | Senior Notes [Member] |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 8.375% |  | 8.375% |  |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
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