Loans, Modifications to Borrowers Experiencing Financial Difficulty (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($) Loan	Sep. 30, 2023 USD ($) Loan
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans | Loan	8	16
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis	$ 2,093	$ 4,204
Non-Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Non accruing modified loans to borrowers experiencing financial difficulty, Number of loans | Loan		1
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		$ 86
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty	$ 2,093	4,204
Non accruing modified loans to borrowers experiencing financial difficulty		86
Current Member [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		4,204
Non-Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		86
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		4,204
Non accruing modified loans to borrowers experiencing financial difficulty		86
30-89 Days Past Due [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Non-Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		0
Non accruing modified loans to borrowers experiencing financial difficulty		0
90 Days Or Greater [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Non-Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		0
Non accruing modified loans to borrowers experiencing financial difficulty		$ 0
Real Estate Loans [Member] | Mortgages [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans | Loan		1
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		$ 129
Accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables		0.04%
Accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term		4 months
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		$ 129
Real Estate Loans [Member] | Mortgages [Member] | Current Member [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		129
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		129
Real Estate Loans [Member] | Mortgages [Member] | 30-89 Days Past Due [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		0
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		$ 0
Real Estate Loans [Member] | Commercial [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans | Loan	1	7
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis	$ 42	$ 1,969
Accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables	0.00%	0.18%
Accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term	6 months	22 months
Non-Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Non accruing modified loans to borrowers experiencing financial difficulty, Number of loans | Loan		1
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		$ 86
Non accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables		0.01%
Non accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term		6 months
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty	$ 42	$ 1,969
Non accruing modified loans to borrowers experiencing financial difficulty		86
Real Estate Loans [Member] | Commercial [Member] | Current Member [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		1,969
Non-Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		86
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		1,969
Non accruing modified loans to borrowers experiencing financial difficulty		86
Real Estate Loans [Member] | Commercial [Member] | 30-89 Days Past Due [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Non-Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		0
Non accruing modified loans to borrowers experiencing financial difficulty		0
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Non-Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Non accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		0
Non accruing modified loans to borrowers experiencing financial difficulty		$ 0
Real Estate Loans [Member] | Agricultural [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans | Loan	2	3
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis	$ 673	$ 728
Accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables	0.21%	0.23%
Accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term	3 months	5 months
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty	$ 673	$ 728
Real Estate Loans [Member] | Agricultural [Member] | Current Member [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		728
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		728
Real Estate Loans [Member] | Agricultural [Member] | 30-89 Days Past Due [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		0
Real Estate Loans [Member] | Agricultural [Member] | 90 Days Or Greater [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis		0
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty		$ 0
Consumer Portfolio Segment [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans | Loan	5
Accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term	10 months
Other Commercial Loans [Member]
Accruing Modified Loans to Borrowers Experiencing Financial Difficulty [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty, Number of loans | Loan	5	5
Accruing modified loans to borrowers experiencing financial difficulty, Amortized cost basis	$ 1,378	$ 1,378
Accruing modified loans to borrowers experiencing financial difficulty, % of total class financing receivables	1.15%	1.15%
Accruing modified loans to borrowers experiencing financial difficulty, weighted average debt instrument term		10 months
Amortized Cost And Payment Status Of Accruing And Nonaccrual Modified Loans [Abstract]
Accruing modified loans to borrowers experiencing financial difficulty	$ 1,378	$ 1,378