Securities - Narrative (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Accrued interest	$ 7,000,000	$ 6,000,000
Allowance for Credit Loss	0	0
Restricted equity securities	13,060,000	12,536,000
Asset Pledged As Collateral
Debt and Equity Securities, FV-NI [Line Items]
Securities pledged as collateral	16,000,000	$ 22,000,000
Mutual Fund [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 4,000,000