Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details)

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Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Taxes [Abstract]      
Balance, beginning of year $ 545 $ 476 $ 1,135
Additions for current year tax positions 77 69 91
Additions for prior year tax positions 11    
Reductions for prior year tax positions (72)   (13)
Payments in settlement     (737)
Balance, end of year $ 561 $ 545 $ 476