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Long-Term Debt (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |
Total debt | $ 443,981 | $ 85,298
Less current maturities | 18,840 | 119
Total long-term debt | 425,141 | 85,179
Term debt |  |
Debt Instrument [Line Items] |  |
Total debt | 298,717 | 0
Finance lease liability |  |
Debt Instrument [Line Items] |  |
Total debt | 264 |
Capital lease obligations |  |
Debt Instrument [Line Items] |  |
Total debt |  | 298
Line of Credit | Bank revolving credit facility |  |
Debt Instrument [Line Items] |  |
Total debt | $ 145,000 | $ 85,000

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