Debt Instrument, Collateral, Coverage Percentage

No definition available.

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- Definition

Line of Credit Facility, Accordion Feature Amount

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

line of credit, increase in maximum borrowing capacity

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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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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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Details

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- Details

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- Details

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Debt Obligations (Schedule of Long Term Obligations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Nov. 09, 2018	Dec. 31, 2017	Mar. 31, 2017
Debt Instrument [Line Items]
Total long term obligations	$ 1,401,252		$ 515,758
Convertible Debt	204,846		196,550
Less: current portion	(29,654)		(18,512)
Total long term obligations, net	$ 1,371,598		497,246
Senior Notes 2nd Term Loan [Member]
Debt Instrument [Line Items]
Total long term obligations		$ 675,000
Unsubordinated term loan and Revolving credit facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Collateral, Coverage Percentage	110.00%
Unsubordinated term loan [Member]
Debt Instrument [Line Items]
Total long term obligations	$ 721,406		70,568
Revolving credit facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Accordion Feature Amount		400,000		$ 180,000
Total long term obligations	475,000		245,000
line of credit, increase in maximum borrowing capacity		$ 300,000
Aircraft loans [Member]
Debt Instrument [Line Items]
Total long term obligations	$ 0		$ 3,640