Borrowings - Narrative (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) facility shares	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Short-term borrowings	$ 66,297,000	$ 146,442,000
Line of credit facility, maximum borrowing capacity	20,000,000
Line of credit	10,000,000	20,000,000
Available lines of credit including FHLB	589,200,000	505,500,000
Long-term debt outstanding	$ 209,100,000
Number of credit facilities | facility	1
Revolving Credit Facility B
Debt Instrument [Line Items]
Percentage of interest used in secured pledge borrowings	86.77%
Number of shares used in secured pledge borrowings (in shares) | shares	4,823,899
Line of Credit Facility, Interest Rate at Period End	8.50%
Revolving Credit Facility A
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 20,000,000
Available lines of credit including FHLB	10,000,000
Commercial and Standby letters of credit | Long-term Advances from FHLB
Debt Instrument [Line Items]
Letters of credit amount at FHLB	513,300,000	388,600,000
Senior Long-term Debt
Debt Instrument [Line Items]
Long-term debt outstanding	39,099,000
Senior Long-term Debt | Senior Long-term Debt Instrument One
Debt Instrument [Line Items]
Long-term debt outstanding		21,900,000
Senior Long-term Debt | Senior Long-term Debt Instrument Two
Debt Instrument [Line Items]
Long-term debt outstanding	39,100,000	0
Periodic principal payment	$ 1,000,000
Percentage of interest used in secured pledge borrowings	86.77%
Number of shares used in secured pledge borrowings (in shares) | shares	4,823,899
Junior Subordinated Debt
Debt Instrument [Line Items]
Long-term debt outstanding	$ 15,000,000	$ 15,000,000
Prime Rate | Senior Long-term Debt | Senior Long-term Debt Instrument One
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.70%
Interest rate		6.80%
Prime Rate | Senior Long-term Debt | Senior Long-term Debt Instrument Two
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.50%
Interest rate	800.00%
Prime Rate | Junior Subordinated Debt
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.75%
Interest rate	9.25%