Long-Term Debt Schedule of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Net carrying amount of liability component	$ 120,167	$ 115,840
Other debt	43	594
Less: current maturities	(35)	(106)
Long-term debt, less current portion	120,132	115,734
Senior Notes
Debt Instrument [Line Items]
Long-term debt	143,750	143,750
Less: debt discount and issuance costs, net	(23,618)	(28,059)
Net carrying amount of liability component	120,132	115,691
Equity component of exchangeable notes, net of issuance costs	$ (26,699)	$ (26,699)
Debt instrument, interest rate, stated percentage	4.50%	4.50%
Loans Payable
Debt Instrument [Line Items]
Other debt	$ 35	$ 149

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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