Allowance for Credit Losses (Narrative) (Details) $ in Thousands	3 Months Ended			9 Months Ended			12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023 USD ($) risk_code	Sep. 30, 2022 USD ($)	Jun. 30, 2024	Sep. 30, 2023 USD ($) risk_code	Sep. 30, 2022 USD ($)	Dec. 31, 2026	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Length of time projected by model					10 years
Days Past Due on Leases and Equipment Finance					181 days
Interest Income on Non-Accrual Loans and Leases | $		$ 0	$ 0		$ 0	$ 0
Moody's Analytics' August 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 2023 baseline
Financing Receivable, Allowance for Credit Loss [Line Items]
Real GDP Growth							2.80%	2.30%	1.30%	2.00%
Unemployment Rate							4.20%	4.20%	4.00%	3.60%
Fed Funds Rate							3.10%	4.20%	5.10%	5.00%
Expected | Moody's Analytics' August S2
Financing Receivable, Allowance for Credit Loss [Line Items]
Real GDP Growth							3.20%	2.50%	0.30%	2.00%
Unemployment Rate							4.20%	4.90%	6.10%	3.80%
Fed Funds Rate							2.50%	2.40%	3.90%	5.00%
Expected | Maximum | Moody's Analytics' August S2
Financing Receivable, Allowance for Credit Loss [Line Items]
Unemployment Rate	6.50%
Change in Unemployment Rate				1.00%