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Loans and Lease Finance Receivables and Allowance for Credit Losses - Summary of Amortized Cost of Loans Activity (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 15,769	$ 7,304
Modifications of Loans To Borrowers Experiencing Financial Difficulty [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	8,000
Secured By Dairy And Live Stock Land [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	5,200
Term Extension [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	14,916	6,614
Combination-Term Extension and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	853	690
Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	2,465	2,505
Commercial Real Estate [Member] | Modifications of Loans To Borrowers Experiencing Financial Difficulty [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	2,800
Commercial Real Estate [Member] | Term Extension [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 1,780	$ 1,815
Financing receivable, modified in period, to total financing receivables, percentage	0.02%	0.02%
Commercial Real Estate [Member] | Combination-Term Extension and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 685	$ 690
Financing receivable, modified in period, to total financing receivables, percentage	0.01%	0.01%
Commercial and Industrial [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 2,954	$ 0
Commercial and Industrial [Member] | Term Extension [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 2,785	$ 0
Financing receivable, modified in period, to total financing receivables, percentage	0.03%	0.00%
Commercial and Industrial [Member] | Combination-Term Extension and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 169	$ 0
Financing receivable, modified in period, to total financing receivables, percentage	0.00%	0.00%
Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 10,350	$ 4,799
Dairy & Livestock and Agribusiness [Member] | Term Extension [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 10,350	$ 4,799
Financing receivable, modified in period, to total financing receivables, percentage	0.12%	0.05%
Dairy & Livestock and Agribusiness [Member] | Combination-Term Extension and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 0	$ 0
Financing receivable, modified in period, to total financing receivables, percentage	0.00%	0.00%

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