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Investments - Summary (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Schedule of Investments [Line Items] |  |
Investment securities - fair value | $ 77,184 | $ 80,335
Parent |  |
Schedule of Investments [Line Items] |  |
Investment securities - fair value | 77,184 | 80,335
Equity method investments | 11,968 | 13,038
Nonqualified retirement plan assets | 11,546 | 13,321
Other investments | 2,142 | 2,196
Total investments | $ 102,840 | $ 108,890

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