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Schedule of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Unrecognized tax benefits at beginning of year $ 1,416 $ 1,472
Gross increases to current year tax positions 1,100 554
Gross decreases to prior year's tax positions (26) (2)
Lapse of statute of limitations (352) (608)
Unrecognized tax benefits at end of year $ 2,138 $ 1,416