Credit Facilities (Principal Maturities of Long-term Debt) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
2020	$ 11,145
2021	20,846
2022	73,506
2023	77,787
2024	62,019
Long-term debt	245,303
Term loan facility
Debt Instrument [Line Items]
2020	0
2021	20,846
2022	73,506
2023	73,506
2024	0
Long-term debt	167,858
Convertible notes
Debt Instrument [Line Items]
2020	11,145
2021	0
2022	0
2023	0
2024	62,019
Long-term debt	73,164
Other debt
Debt Instrument [Line Items]
2020	0
2021	0
2022	0
2023	4,281
2024	0
Long-term debt	$ 4,281

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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