Credit Facilities (Principal Maturities of Long-term Debt) (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Debt Instrument [Line Items]
2019	$ 0
2020	11,145
2021	20,349
2022	71,756
2023	76,036
2024	65,353
Long-term debt	244,639
Term loan facility
Debt Instrument [Line Items]
2019	0
2020	0
2021	20,349
2022	71,756
2023	71,755
2024	0
Long-term debt	163,860
Convertible notes
Debt Instrument [Line Items]
2019	0
2020	11,145
2021	0
2022	0
2023	0
2024	65,353
Long-term debt	76,498
Other debt
Debt Instrument [Line Items]
2019	0
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.

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