Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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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, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Feb. 01, 2019
Debt Instrument [Line Items]
Long-term debt	$ 230,264	$ 205,272
Convertible Notes
Debt Instrument [Line Items]
Long-term debt	210,520	187,935
Current portion of lines of credit and notes payable
Debt Instrument [Line Items]
Long-term debt	17,412	14,695
LT notes payable included in long-term liabilities
Debt Instrument [Line Items]
Long-term debt	2,331	2,642
Line of Credit
Debt Instrument [Line Items]
Long-term debt	16,531	13,672
Notes Payable, Other Payables
Debt Instrument [Line Items]
Long-term debt, current maturities	882	1,022
Long-term debt, excluding current maturities	2,331	2,642
Convertible Senior Notes Due 2025 \| Convertible Debt
Debt Instrument [Line Items]
Long-term debt	141,267	119,360
5% Convertible Notes \| Convertible Debt
Debt Instrument [Line Items]
Long-term debt	66,203	65,525
Notes Due February 1, 2033 \| Notes
Debt Instrument [Line Items]
Long-term debt	$ 3,050	$ 3,050	$ 3,000