Loans and ALLL (Credit Quality Indicators for Commercial and Agricultural Exposure) (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Financing Receivable, Credit Quality Indicators [Line Items]
Total	$ 1,264,173
Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	744,440
Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	566,012
Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	178,428
Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	104,985
Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	73,002
Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	31,983
Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	849,425
1 - Excellent [Member] | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
1 - Excellent [Member] | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
1 - Excellent [Member] | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
1 - Excellent [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
1 - Excellent [Member] | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
1 - Excellent [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
1 - Excellent [Member] | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
1 - Excellent [Member] | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
High Quality Rating [Member] | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	13,578
High Quality Rating [Member] | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	9,045
High Quality Rating [Member] | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	4,533
High Quality Rating [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
High Quality Rating [Member] | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	442
High Quality Rating [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	342
High Quality Rating [Member] | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	100
High Quality Rating [Member] | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	14,020
High Satisfactory Rating [Member] | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	104,741
High Satisfactory Rating [Member] | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	68,133
High Satisfactory Rating [Member] | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	36,608
High Satisfactory Rating [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
High Satisfactory Rating [Member] | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	14,365
High Satisfactory Rating [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	9,757
High Satisfactory Rating [Member] | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	4,608
High Satisfactory Rating [Member] | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	119,106
Low Satisfactory Rating [Member] | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	589,094
Low Satisfactory Rating [Member] | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	462,421
Low Satisfactory Rating [Member] | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	126,673
Low Satisfactory Rating [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Low Satisfactory Rating [Member] | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	65,472
Low Satisfactory Rating [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	44,258
Low Satisfactory Rating [Member] | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	21,214
Low Satisfactory Rating [Member] | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	654,566
Special Mention [Member] | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	28,217
Special Mention [Member] | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	20,770
Special Mention [Member] | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	7,447
Special Mention [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Special Mention [Member] | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	16,896
Special Mention [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	12,262
Special Mention [Member] | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	4,634
Special Mention [Member] | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	45,113
Substandard [Member] | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	8,714
Substandard [Member] | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	5,629
Substandard [Member] | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	3,085
Substandard [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Substandard [Member] | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	7,576
Substandard [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	6,316
Substandard [Member] | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	1,260
Substandard [Member] | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	16,290
Vulnerable Rating [Member] | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	96
Vulnerable Rating [Member] | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	14
Vulnerable Rating [Member] | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	82
Vulnerable Rating [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Vulnerable Rating [Member] | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	234
Vulnerable Rating [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	67
Vulnerable Rating [Member] | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	167
Vulnerable Rating [Member] | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	330
Doubtful [Member] | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Doubtful [Member] | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Doubtful [Member] | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Doubtful [Member] | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Doubtful [Member] | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Doubtful [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Doubtful [Member] | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
Doubtful [Member] | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
9 - Loss | Commercial [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
9 - Loss | Commercial Real Estate
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
9 - Loss | Commercial Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
9 - Loss | Commercial Advances to Mortgage Brokers Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
9 - Loss | Agricultural [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
9 - Loss | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
9 - Loss | Agricultural Other Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	0
9 - Loss | Commercial And Agricultural Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicators [Line Items]
Total	$ 0