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Long-Term Obligations and Commitments, Long-Term Obligations (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Long-Term Obligations [Abstract] |  |  |
Total long-term obligations, including current portion | $ 646,720 |  | $ 607,477
Less: current portion | (13,749) |  | (1,621)
Total Long-Term Obligations | 632,971 |  | 605,856
1 Percent Convertible Senior Notes [Member] |  |  |
Long-Term Obligations [Abstract] |  |  |
Total long-term obligations, including current portion | 568,215 |  | 533,111
Long-term Mortgage Debt [Member] |  |  |
Long-Term Obligations [Abstract] |  |  |
Total long-term obligations, including current portion | 59,842 |  | 59,771
Fixed Rate Note with Morgan Stanley [Member] |  |  |
Long-Term Obligations [Abstract] |  |  |
Total long-term obligations, including current portion | 12,500 | [1] | 12,500
Less: current portion | (12,500) |  |
Leases and Other Obligations [Member] |  |  |
Long-Term Obligations [Abstract] |  |  |
Total long-term obligations, including current portion | $ 6,163 |  | $ 2,095
[1] | Our $12.5 million fixed rate note with Morgan Stanley is included in our current portion of long-term obligations on our consolidated balance sheet at December 31, 2018.

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- Definition Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of long-term debt, capital lease and other obligations (with maturities initially due after one year or beyond the operating cycle if longer). + References No definition available. + Details
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- Definition Amount of long-term debt, capital lease and other obligations due after one year or beyond the normal operating cycle, if longer. + References No definition available. + Details
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- Definition Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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- Details
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- Details
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- Details
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