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Interest Expense, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Income and Expenses [Abstract]
Interest expense	$ (7,913)	$ (9,731)	$ (9,607)
Interest income	437	1,532	842
Total interest expense, net	$ (7,476)	$ (8,199)	$ (8,765)

X

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

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X

- Definition

The net amount of nonoperating interest income (expense).

+ References

No definition available.

+ Details

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

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