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Investments - Summary of Investments (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Schedule of Investments [Line Items]    
Investment securities - fair value $ 80,335 $ 39,990
Parent    
Schedule of Investments [Line Items]    
Investment securities - fair value 80,335 39,990
Equity method investments 13,038 12,676
Nonqualified retirement plan assets 13,321 10,612
Other investments 2,196 1,666
Total investments $ 108,890 $ 64,944