Loans (Recorded Investment in Non-accrual and Past Due Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Non-Accrual	$ 16,183	$ 13,802
Loans Past Due 90 Days or More & Still Accruing	2,948	190
Acquired with Deteriorated Credit Quality
Financing Receivable, Past Due [Line Items]
Non-Accrual		5,393
Loans Past Due 90 Days or More & Still Accruing		0
Acquired with Deteriorated Credit Quality | Loans Acquired In Current Year
Financing Receivable, Past Due [Line Items]
Non-Accrual		2,058
Loans Past Due 90 Days or More & Still Accruing		0
Commercial and Industrial Loans and Leases
Financing Receivable, Past Due [Line Items]
Non-Accrual		4,940
Loans Past Due 90 Days or More & Still Accruing		190
Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual	4,540	3,433
Loans Past Due 90 Days or More & Still Accruing	0	0
Agricultural Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual	2,715	2,739
Loans Past Due 90 Days or More & Still Accruing	2,594	0
Home Equity Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual	258	79
Loans Past Due 90 Days or More & Still Accruing	0	0
Consumer Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual	114	115
Loans Past Due 90 Days or More & Still Accruing	0	0
Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual	1,171	2,496
Loans Past Due 90 Days or More & Still Accruing	$ 0	$ 0