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Related Party Transactions - Split Dollar Agreements - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Chairman, Board of Directors      
Related Party Transaction [Line Items]      
Payments for life insurance policies $ 0 $ 0  
Chief Executive Officer      
Related Party Transaction [Line Items]      
Payments for life insurance policies 0 $ 0  
Executive Officers      
Related Party Transaction [Line Items]      
Life insurance assets, carrying amount $ 24,000,000   $ 24,000,000