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Stock-Based Compensation Plans ESPP (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-Based Payment Arrangement [Abstract]      
ESPP shares purchased 134,645 134,156 194,485
Average purchase price per share (85% of market value) $ 14.06 $ 13.92 $ 10.02
Compensation expense recognized (in thousands) $ 334 $ 329 $ 344