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Stock-Based Compensation Plans ESPP (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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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

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