Related-Party Transactions - Additional Information (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Officers and Directors
Related Party Transaction [Line Items]
Related party deposits	$ 113,800,000	$ 148,400,000
Director \| Investment in Church Street Capital
Related Party Transaction [Line Items]
Due to subsidiaries	0	120,900
Director \| Lease Payments
Related Party Transaction [Line Items]
Expenses from transactions with related party	79,000	$ 76,300
Director \| Convertible Subordinated Notes
Related Party Transaction [Line Items]
Notes payable, related parties	$ 2,500,000

Carrying amount as of the balance sheet date of obligations due all related parties.

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