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Allowance for Credit Losses (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended				9 Months Ended
	Sep. 30, 2024 USD ($) risk_code	Sep. 30, 2023 USD ($)	Jun. 30, 2028	Jun. 30, 2027	Jun. 30, 2026	Jun. 30, 2025	Sep. 30, 2024 USD ($) risk_code	Sep. 30, 2023 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Days Past Due on Leases and Equipment Finance							181 days
Interest Income on Non-Accrual Loans and Leases | $	$ 0	$ 0					$ 0	$ 0
Financing Receivable, Modified, Subsequent Default | $	$ 5,788	$ 0					$ 9,529	$ 0
Moody's Analytics' August 2024 S2
Financing Receivable, Allowance for Credit Loss [Line Items]
Probability economy performs better than scenario							75.00%
Probability economy performs worse than scenario							25.00%
Non homogeneous
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Threshold Period Past Due	90 days						90 days
Pass | Non homogeneous | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	1						1
Pass | Non homogeneous | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	9						9
Watch | Non homogeneous | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	10						10
Watch | Non homogeneous | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	11						11
Special mention | Non homogeneous
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	12						12
Substandard | Non homogeneous | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	13						13
Substandard | Non homogeneous | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	14						14
Doubtful | Non homogeneous
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	15						15
Loss | Non homogeneous
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	16						16
Loss | Non homogeneous | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)	16						16
Expected | Moody's Analytics' August 2024 consensus
Financing Receivable, Allowance for Credit Loss [Line Items]
Real GDP Growth			1.90%	1.90%	1.80%	2.60%
Unemployment Rate			4.00%	4.00%	4.20%	4.00%
Fed Funds Rate			3.30%	3.60%	4.10%	5.20%
Expected | Moody's Analytics' August 2024 S2
Financing Receivable, Allowance for Credit Loss [Line Items]
Real GDP Growth			2.60%	2.20%	(0.10%)	2.40%
Unemployment Rate			4.00%	4.80%	6.40%	4.20%
Fed Funds Rate			2.50%	2.10%	3.20%	5.20%

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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