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Stock-Based Compensation Plans ESPP (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]      
ESPP shares purchased 162,667 134,645 134,156
Average purchase price per share (85% of market value) $ 11.68 $ 14.06 $ 13.92
Compensation expense recognized (in thousands) $ 348 $ 334 $ 329