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Loan and Lease Financings (Details 2) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
90 Days or More Past Due and Accruing	$ 166	$ 249
Total Accruing Loans	5,734,265	5,307,508
Nonaccrual	27,813	38,706
Total loans and leases	5,762,078	5,346,214
Accrued interest receivable on loans and leases	15,190	12,940
Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	5,728,821	5,301,658
30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	3,116	2,987
60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	2,162	2,614
Commercial and agricultural
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total Accruing Loans	835,319	916,659
Nonaccrual	443	2,053
Total loans and leases	835,762	918,712
Commercial and agricultural | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	834,918	916,659
Commercial and agricultural | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	360	0
Commercial and agricultural | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	41	0
Solar
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total Accruing Loans	358,635	348,302
Nonaccrual	0	0
Total loans and leases	358,635	348,302
Solar | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	358,635	348,302
Solar | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	0	0
Solar | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	0	0
Auto and light truck
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total Accruing Loans	725,655	579,605
Nonaccrual	17,669	24,170
Total loans and leases	743,324	603,775
Auto and light truck | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	725,421	579,605
Auto and light truck | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	234	0
Auto and light truck | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	0	0
Medium and heavy duty truck
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total Accruing Loans	293,010	259,467
Nonaccrual	58	273
Total loans and leases	293,068	259,740
Medium and heavy duty truck | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	293,010	259,467
Medium and heavy duty truck | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	0	0
Medium and heavy duty truck | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	0	0
Aircraft
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total Accruing Loans	997,417	897,752
Nonaccrual	578	649
Total loans and leases	997,995	898,401
Aircraft | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	995,787	894,092
Aircraft | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	0	1,130
Aircraft | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	1,630	2,530
Construction equipment
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total Accruing Loans	874,445	747,183
Nonaccrual	4,247	7,090
Total loans and leases	878,692	754,273
Construction equipment | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	872,660	745,870
Construction equipment | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	1,568	1,313
Construction equipment | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	217	0
Commercial real estate
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total Accruing Loans	934,804	926,345
Nonaccrual	2,619	2,996
Total loans and leases	937,423	929,341
Commercial real estate | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	934,804	926,345
Commercial real estate | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	0	0
Commercial real estate | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	0	0
Residential real estate and home equity
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
90 Days or More Past Due and Accruing	166	245
Total Accruing Loans	566,571	499,365
Nonaccrual	2,031	1,225
Total loans and leases	568,602	500,590
Residential real estate and home equity | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	565,712	498,854
Residential real estate and home equity | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	508	212
Residential real estate and home equity | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	185	54
Consumer
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
90 Days or More Past Due and Accruing	0	4
Total Accruing Loans	148,409	132,830
Nonaccrual	168	250
Total loans and leases	148,577	133,080
Consumer | Current
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	147,874	132,464
Consumer | 30 to 59 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	446	332
Consumer | 60 to 89 Days Past Due
Amortized cost of loans and leases, segregated by portfolio segment, with delinquency aging and nonaccrual status
Total loans and leases	$ 89	$ 30

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