Loans and Leases, Troubled Debt Restructured Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
CARES Act [Abstract]
Loans restructured under the CARES act	$ 278,100
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	2,322	$ 8,362
Accrual TDRs [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	1,824	7,867
Accrual TDRs [Member] | Real Estate [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	1,563	7,444
Accrual TDRs [Member] | Commercial Real Estate [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	41	84
Accrual TDRs [Member] | Agricultural [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	5,629
Accrual TDRs [Member] | Residential and Home Equity [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	1,522	1,731
Accrual TDRs [Member] | Construction [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Accrual TDRs [Member] | Commercial and Industrial [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	260	233
Accrual TDRs [Member] | Agricultural [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Accrual TDRs [Member] | Commercial Leases [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Accrual TDRs [Member] | Consumer and Other [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	1	190
Nonaccrual TDRs [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	498	495
Nonaccrual TDRs [Member] | Real Estate [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Nonaccrual TDRs [Member] | Commercial Real Estate [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Nonaccrual TDRs [Member] | Agricultural [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Nonaccrual TDRs [Member] | Residential and Home Equity [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Nonaccrual TDRs [Member] | Construction [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Nonaccrual TDRs [Member] | Commercial and Industrial [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Nonaccrual TDRs [Member] | Agricultural [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	498	495
Nonaccrual TDRs [Member] | Commercial Leases [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	0	0
Nonaccrual TDRs [Member] | Consumer and Other [Member]
Troubled Debt Restructuring Loans [Abstract]
TDR loans and leases	$ 0	$ 0