Allowance for Credit Losses (Narrative) (Details) $ in Thousands	3 Months Ended			9 Months Ended	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024 USD ($) risk_code	Mar. 31, 2023 USD ($)	Dec. 31, 2024	Dec. 31, 2027	Dec. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Change in Modeled Expected Credit Losses due to Modification | $		$ 30,500
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
Moody's Analytics' February 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
Pass | Non homogeneous | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		1
Pass | Non homogeneous | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		9
Watch | Non homogeneous | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		10
Watch | Non homogeneous | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		11
Special mention | Non homogeneous
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		12
Substandard | Non homogeneous | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		13
Substandard | Non homogeneous | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		14
Doubtful | Non homogeneous
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		15
Loss | Non homogeneous
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		16
Loss | Non homogeneous | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Internal risk rating code (number)		16
Expected | Moody's Analytics' February 2024 baseline
Financing Receivable, Allowance for Credit Loss [Line Items]
Real GDP Growth					2.20%	2.00%	1.60%		2.30%
Unemployment Rate					4.00%	4.00%	4.10%		3.90%
Fed Funds Rate					2.90%	3.20%	4.00%		4.90%
Expected | Moody's Analytics' February 2024 S2
Financing Receivable, Allowance for Credit Loss [Line Items]
Real GDP Growth					2.70%	2.80%	0.80%		1.30%
Unemployment Rate					4.00%	4.10%	5.80%		5.70%
Fed Funds Rate					2.90%	2.10%	2.40%		4.60%
Expected | Maximum | Moody's Analytics' February 2024 S2
Financing Receivable, Allowance for Credit Loss [Line Items]
Unemployment Rate	6.50%
Change in Unemployment Rate								1.00%
Percent Decrease of Stock Market				22.00%