Income taxes textual.

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount of unrecognized tax benefits.

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Amount of interest expense accrued for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income Taxes - Accounting for Uncertainty in Income Taxes (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes (Textual) [Abstract]
Liability for unrecognized tax benefits	$ 1,393	$ 1,540	$ 1,668	$ 1,915
Income tax related to accrued interest, net of federal benefit	600	$ 600	$ 600
Unrecognized tax benefits that would favorably impact the tax rate	1,400
Maximum
Income Taxes (Textual) [Abstract]
Unrecognized tax benefits decrease amount over next twelve months	$ 300