Long-Term Indebtedness (Schedule) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Unamortized deferred financing fees	$ (1,774)	$ (361)
Long-term debt, net	630,789	294,124
Less current portion	17,883	596
Long-term debt	612,906	293,528
Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	300,000	0
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	266,214	240,060
Shelf-Loan Facility
Debt Instrument [Line Items]
Long-term debt, gross	50,000	50,000
Other Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 16,349	$ 4,425

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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