Short-Term and Long-Term Debt, Including Finance Leases - Schedule of Maturities of Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Long-term Debt, Fiscal Year Maturity [Abstract]
Long-term Debt, 2020	$ 28,531
Long-term Debt, 2021	0
Long-term Debt, 2022	148,346
Long-term Debt, 2023	0
Long-term Debt, 2024	0
Long-term Debt	176,877
Finance Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Finance Lease Obligations, 2020	15
Finance Lease Obligations, 2021	18
Finance Lease Obligations, 2022	17
Finance Lease Obligations, 2023	17
Finance Lease Obligations, 2024	10
Finance Leases, Future Minimum Payments Due	77
Long-term Debt and Capital Lease Obligations, Fiscal Year Maturity [Abstract]
Total, 2020	28,546
Total, 2021	18
Total, 2022	148,363
Total, 2023	17
Total, 2024	10
Total long-term debt and finance leases	$ 176,954	$ 190,410

Long-term Debt And Finance Lease Obligations, Maturities, Repayments Of Principal In Year Five

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Long-term Debt And Finance Lease Obligations, Maturities, Repayments Of Principal In Year Two

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Long-term Debt And Finance Lease Obligations, Repayments Of Principal In Next Twelve Months

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.

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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.

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Amount of long-term debt and lease obligation, including portion classified as current.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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