Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Summary of the items that caused recorded income taxes to differ from taxes computed using the statutory tax rate
Tax expense at statutory rate	$ 5,002	$ 7,451	$ 6,025
Effect of state income taxes, net of federal benefit	664	987	782
Exempt income	(27)	(26)	(34)
Effect of stock-based compensation	(30)	(693)	(248)
Other	(118)	(98)	(124)
Income tax expense	$ 5,491	$ 7,621	$ 6,401

Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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