Long-Term Debt, Credit Agreement (Details) - USD ($)
$ in Thousands |
|
12 Months Ended |
Apr. 18, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Long-term Debt, Current and Noncurrent [Abstract] |
|
|
|
|
| Proceeds from debt |
|
$ 145,000
|
$ 582,398
|
$ 67,000
|
| Credit Agreement [Member] | Maximum [Member] |
|
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| Long-term Debt, Current and Noncurrent [Abstract] |
|
|
|
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| Consolidated leverage ratio |
|
2.25
|
|
|
| Credit Agreement [Member] | Minimum [Member] |
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|
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| Long-term Debt, Current and Noncurrent [Abstract] |
|
|
|
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| Consolidated interest coverage ratio |
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3.00
|
|
|
| Term Loan Facility [Member] |
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| Long-term Debt, Current and Noncurrent [Abstract] |
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|
|
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| Original principal amount |
$ 400,000
|
$ 400,000
|
|
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| Term of loan |
|
5 years
|
|
|
| Frequency of payment |
|
quarterly
|
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| Term Loan Facility [Member] | First Year [Member] |
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| Long-term Debt, Current and Noncurrent [Abstract] |
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|
|
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| Annual amortization percentage |
|
5.00%
|
|
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| Term Loan Facility [Member] | Second Year [Member] |
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| Long-term Debt, Current and Noncurrent [Abstract] |
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|
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| Annual amortization percentage |
|
5.00%
|
|
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| Term Loan Facility [Member] | Third Year [Member] |
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| Long-term Debt, Current and Noncurrent [Abstract] |
|
|
|
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| Annual amortization percentage |
|
7.50%
|
|
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| Term Loan Facility [Member] | Fourth Year [Member] |
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| Long-term Debt, Current and Noncurrent [Abstract] |
|
|
|
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| Annual amortization percentage |
|
7.50%
|
|
|
| Term Loan Facility [Member] | Fifth Year [Member] |
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| Long-term Debt, Current and Noncurrent [Abstract] |
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| Annual amortization percentage |
|
10.00%
|
|
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| Term Loan Facility [Member] | LIBOR [Member] |
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| Long-term Debt, Current and Noncurrent [Abstract] |
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|
|
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| Basis spread on variable rate |
|
2.25%
|
|
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| Revolving Credit Facility [Member] |
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| Long-term Debt, Current and Noncurrent [Abstract] |
|
|
|
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| Borrowing capacity |
350,000
|
|
|
|
| Term of loan |
|
5 years
|
|
|
| Proceeds from debt |
$ 78,500
|
|
|
|
| Revolving Credit Facility [Member] | LIBOR [Member] |
|
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| Long-term Debt, Current and Noncurrent [Abstract] |
|
|
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| Basis spread on variable rate |
|
2.25%
|
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