Borrowings - Principle Maturities of Borrowings and Credit Arrangements (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Debt Instrument [Line Items]
2020 (July - December)	$ 20,657
2021	20,000
2022	59,000
2023	0
2024	150,000
Total	249,657
Notes \| 3.50% Convertible Senior Notes due October 1, 2024
Debt Instrument [Line Items]
2020 (July - December)	0
2021	0
2022	0
2023	0
2024	150,000
Total	150,000
Structured Payables
Debt Instrument [Line Items]
2020 (July - December)	657
2021	0
2022	0
2023	0
2024	0
Total	657
Revolver Credit Facility
Debt Instrument [Line Items]
2020 (July - December)	20,000
2021	20,000
2022	59,000
2023	0
2024	0
Total	$ 99,000

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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