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Earnings Per Share and Dividends (Dividends) (Details) - USD ($)
$ / shares in Units, $ in Thousands
Apr. 22, 2021
Jan. 21, 2021
Oct. 15, 2020
Apr. 15, 2020
Jan. 23, 2020
Oct. 17, 2019
Earnings Per Share [Abstract]            
Dividend per Share (in dollars per share) $ 0.08 $ 0.08 $ 0.08 $ 0.08 $ 0.08 $ 0.08
Total of Cash Dividends Declared $ 12,169 $ 12,371 $ 12,417 $ 12,452 $ 12,517 $ 12,647