Loans and the Allowance for Credit Losses - Summary of Details of Portfolio Loans Modified by Loan Category (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Modified [Line Items]
Modification loans		$ 1,075		$ 1,075
ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 966		$ 18,457
Percentage of total by loan category	0.00%		0.20%
Term Extension [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 295		$ 16,471
Payment Delay [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	671		1,986
Home Equity [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 258		$ 944
Percentage of total by loan category	0.00%		0.10%
Home Equity [Member] | Term Extension [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans			$ 8
Home Equity [Member] | Payment Delay [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 258		936
Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Modification loans		1,075		1,075
Residential Real Estate [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 126		$ 226
Percentage of total by loan category	0.00%		0.00%
Residential Real Estate [Member] | Term Extension [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans
Residential Real Estate [Member] | Payment Delay [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 126		226
Consumer [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 244		$ 505
Percentage of total by loan category	0.10%		0.20%
Consumer [Member] | Payment Delay [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 244		$ 505
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans			$ 173
Percentage of total by loan category			0.00%
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Term Extension [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans			$ 173
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Modification loans		$ 1,075		$ 1,075
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 159		$ 7,290
Percentage of total by loan category	0.00%		0.10%
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Term Extension [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 159		$ 7,014
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Payment Delay [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans			276
Commercial and Industrial [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 179		$ 9,319
Percentage of total by loan category	0.00%		0.60%
Commercial and Industrial [Member] | Term Extension [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 136		$ 9,276
Commercial and Industrial [Member] | Payment Delay [Member] | ASU 2022-02 [Member]
Financing Receivable, Modified [Line Items]
Modification loans	$ 43		$ 43