Loans and Leases Nonaccrual Loans and Leases by Loan Portfolio Segment and Class (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Nonaccrual	$ 62,527	$ 62,527	$ 103,778
Financing Receivable, Nonaccrual, Interest Income		41	924
Mortgages [Member]
Financing Receivable, Nonaccrual	47,730	47,730	98,402
Financing Receivable, Nonaccrual, Interest Income		31	444
Real Estate Construction [Member]
Financing Receivable, Nonaccrual	0	0	0
Financing Receivable, Nonaccrual, Interest Income		0	0
Real Estate Construction [Member] | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Nonaccrual	0	0	0
Real Estate Construction [Member] | Commercial Real Estate Construction Loan Receivable [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income		0	0
Financing Receivable, Nonaccrual, No Allowance	0	0	0
Real Estate Construction [Member] | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Nonaccrual	0	0	0
Real Estate Construction [Member] | Residential Real Estate Construction Financing Receivable [Member] | Finance Receivable Allowance
Financing Receivable, Nonaccrual	0	0	0
Financing Receivable, Nonaccrual, Interest Income		0	0
Real Estate Construction [Member] | Residential Real Estate Construction Financing Receivable [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income		0	0
Financing Receivable, Nonaccrual, No Allowance	0	0	0
Commercial Portfolio Segment [Member]
Financing Receivable, Nonaccrual	13,986	13,986	5,210
Financing Receivable, Nonaccrual, Interest Income		10	480
Commercial Portfolio Segment [Member] | Asset Based [Member]
Financing Receivable, Nonaccrual	2,689	2,689	865
Commercial Portfolio Segment [Member] | Asset Based [Member] | Finance Receivable Allowance
Financing Receivable, Nonaccrual	0	0	431
Financing Receivable, Nonaccrual, Interest Income		0	0
Commercial Portfolio Segment [Member] | Asset Based [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income		0	0
Financing Receivable, Nonaccrual, No Allowance	2,689	2,689	434
Commercial Portfolio Segment [Member] | Venture Capital Loans [Member]
Financing Receivable, Nonaccrual	325	325	0
Financing Receivable, Nonaccrual, No Allowance	325	325	0
Commercial Portfolio Segment [Member] | Venture Capital Loans [Member] | Finance Receivable Allowance
Financing Receivable, Nonaccrual	0	0	0
Financing Receivable, Nonaccrual, Interest Income		0	0
Commercial Portfolio Segment [Member] | Venture Capital Loans [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income		0	0
Commercial Portfolio Segment [Member] | Other Commercial [Member]
Financing Receivable, Nonaccrual	10,972	10,972	4,345
Commercial Portfolio Segment [Member] | Other Commercial [Member] | Finance Receivable Allowance
Financing Receivable, Nonaccrual	1,613	1,613	1,116
Financing Receivable, Nonaccrual, Interest Income		0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Nonaccrual	811	811	166
Financing Receivable, Nonaccrual, Interest Income		0	0
Consumer Portfolio Segment [Member] | Finance Receivable Allowance
Financing Receivable, Nonaccrual	811	811	166
Financing Receivable, Nonaccrual, Interest Income		0	0
Consumer Portfolio Segment [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income		0	0
Financing Receivable, Nonaccrual, No Allowance	0	0	0
Other Commercial [Member] | Other Commercial [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income		10	480
Financing Receivable, Nonaccrual, No Allowance	9,359	9,359	3,229
Commercial Real Estate [Member] | Mortgages [Member]
Financing Receivable, Nonaccrual	15,669	15,669	42,509
Commercial Real Estate [Member] | Mortgages [Member] | Finance Receivable Allowance
Financing Receivable, Nonaccrual	385	385	15,487
Financing Receivable, Nonaccrual, Interest Income		0	0
Commercial Real Estate [Member] | Mortgages [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income		31	444
Financing Receivable, Nonaccrual, No Allowance	15,284	15,284	27,022
Residential Real Estate [Member] | Mortgages [Member] | Finance Receivable Allowance
Financing Receivable, Nonaccrual	0	0	0
Financing Receivable, Nonaccrual, Interest Income		0	0
Residential Real Estate [Member] | Mortgages [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income		0	0
Financing Receivable, Nonaccrual, No Allowance	1,020	1,020	0
Other Residential Real Estate | Mortgages [Member]
Financing Receivable, Nonaccrual	31,041	31,041	55,893
Financing Receivable, Nonaccrual, No Allowance	30,527	30,527	0
Other Residential Real Estate | Mortgages [Member] | Finance Receivable Allowance
Financing Receivable, Nonaccrual	514	514	$ 0
Financing Receivable, Nonaccrual, Interest Income	0	7,967
Other Residential Real Estate | Mortgages [Member] | No Finance Receivable Allowance
Financing Receivable, Nonaccrual, Interest Income	$ 0	$ 47,926