Loans - Summary of Gross Charge-offs of Loans for Portfolio Class By Origination Year (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
2023	$ 42,429		$ 42,429
2022	104,670		104,670
2021	81,747		81,747
2020	58,853		58,853
2019	14,380		14,380
2018 and Prior	57,393		57,393
Total Loans, charge-offs	1	$ 1	8	$ 5
Loan Charge-offs [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1		1
2022	3		3
2021	1		1
2020	1		1
2018 and Prior	2		2
Total Loans, charge-offs	1		8
Consumer [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	125		125
2022	108		108
2021	147		147
2020	121		121
2019	174		174
2018 and Prior	1,337		1,337
Total Loans, charge-offs	1	$ 1	8	$ 5
Consumer [Member] | Loan Charge-offs [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1		1
2022	3		3
2021	1		1
2020	1		1
2018 and Prior	2		2
Total Loans, charge-offs	1		8
Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	106		106
2022	49		49
2021	0		0
2020	8		8
2019	2		2
2018 and Prior	0		0
Consumer Other [Member] | Loan Charge-offs [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1		1
2022	3		3
2021	1		1
2020	1		1
2018 and Prior	2		2
Total Loans, charge-offs	$ 1		$ 8