Loans and Allowance for Credit Losses - Loan Portfolio by Risk Rating (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment
2023	$ 134,134
2022	283,852
2021	189,350
2020	124,357
2019	85,910
Prior	339,482
Revolving Loans	109,050
Revolving Converted to Term	9,276
Total	1,275,411	$ 1,256,304
2023	261
2022	0
2021	323
2020	0
2019	27
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	611
Loans and Leases Receivable, Net Amount	1,259,877	1,245,456
Amortization of Deferred Loan Origination Fees, Net	1,275,411	1,256,304
Pass/Watch
Financing Receivable, Recorded Investment
2023	134,134
2022	279,140
2021	189,168
2020	121,764
2019	69,279
Prior	332,581
Revolving Loans	98,363
Revolving Converted to Term	9,276
Total	1,233,705	1,197,497
Special mention
Financing Receivable, Recorded Investment
2023	0
2022	894
2021	151
2020	2,401
2019	703
Prior	2,130
Revolving Loans	10,687
Revolving Converted to Term	0
Total	16,966	31,024
Substandard
Financing Receivable, Recorded Investment
2023	0
2022	3,818
2021	31
2020	192
2019	15,928
Prior	4,771
Revolving Loans	0
Revolving Converted to Term	0
Total	24,740	27,783
Doubtful
Financing Receivable, Recorded Investment
Total		0
Commercial and industrial
Financing Receivable, Recorded Investment
2023	16,221
2022	22,746
2021	21,803
2020	5,346
2019	2,555
Prior	8,490
Revolving Loans	29,068
Revolving Converted to Term	215
Total	106,444
2023	241
2022	0
2021	323
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	564
Commercial and industrial \| Commercial:
Financing Receivable, Recorded Investment
Total		141,662
Commercial and industrial \| Pass/Watch
Financing Receivable, Recorded Investment
2023	16,221
2022	22,452
2021	21,652
2020	4,966
2019	1,852
Prior	8,127
Revolving Loans	25,568
Revolving Converted to Term	215
Total	101,053
Commercial and industrial \| Pass/Watch \| Commercial:
Financing Receivable, Recorded Investment
Total		131,300
Commercial and industrial \| Special mention
Financing Receivable, Recorded Investment
2023	0
2022	294
2021	151
2020	188
2019	703
Prior	276
Revolving Loans	3,500
Revolving Converted to Term	0
Total	5,112
Commercial and industrial \| Special mention \| Commercial:
Financing Receivable, Recorded Investment
Total		8,707
Commercial and industrial \| Substandard
Financing Receivable, Recorded Investment
2023	0
2022	0
2021	0
2020	192
2019	0
Prior	87
Revolving Loans	0
Revolving Converted to Term	0
Total	279
Commercial and industrial \| Substandard \| Commercial:
Financing Receivable, Recorded Investment
Total		1,655
Commercial and industrial \| Doubtful \| Commercial:
Financing Receivable, Recorded Investment
Total		0
Agricultural production
Financing Receivable, Recorded Investment
2023	144
2022	1,608
2021	15
2020	0
2019	251
Prior	162
Revolving Loans	22,045
Revolving Converted to Term	999
Total	25,224
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	0
Agricultural production \| Commercial:
Financing Receivable, Recorded Investment
Total		37,038
Agricultural production \| Pass/Watch
Financing Receivable, Recorded Investment
2023	144
2022	242
2021	15
2020	0
2019	251
Prior	162
Revolving Loans	15,105
Revolving Converted to Term	999
Total	16,918
Agricultural production \| Pass/Watch \| Commercial:
Financing Receivable, Recorded Investment
Total		24,926
Agricultural production \| Special mention
Financing Receivable, Recorded Investment
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	6,940
Revolving Converted to Term	0
Total	6,940
Agricultural production \| Special mention \| Commercial:
Financing Receivable, Recorded Investment
Total		6,713
Agricultural production \| Substandard
Financing Receivable, Recorded Investment
2023	0
2022	1,366
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	1,366
Agricultural production \| Substandard \| Commercial:
Financing Receivable, Recorded Investment
Total		5,399
Agricultural production \| Doubtful \| Commercial:
Financing Receivable, Recorded Investment
Total		0
Construction & other land loans
Financing Receivable, Recorded Investment
2023	1,734
2022	20,818
2021	21,988
2020	10,801
2019	17,605
Prior	2,795
Revolving Loans	5,263
Revolving Converted to Term	0
Total	81,004
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	0
Construction & other land loans \| Real Estate:
Financing Receivable, Recorded Investment
Total		108,841
Construction & other land loans \| Pass/Watch
Financing Receivable, Recorded Investment
2023	1,734
2022	18,366
2021	21,988
2020	10,801
2019	1,677
Prior	2,795
Revolving Loans	5,263
Revolving Converted to Term	0
Total	62,624
Construction & other land loans \| Pass/Watch \| Real Estate:
Financing Receivable, Recorded Investment
Total		93,817
Construction & other land loans \| Special mention
Financing Receivable, Recorded Investment
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	0
Construction & other land loans \| Special mention \| Real Estate:
Financing Receivable, Recorded Investment
Total		0
Construction & other land loans \| Substandard
Financing Receivable, Recorded Investment
2023	0
2022	2,452
2021	0
2020	0
2019	15,928
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	18,380
Construction & other land loans \| Substandard \| Real Estate:
Financing Receivable, Recorded Investment
Total		15,024
Construction & other land loans \| Doubtful \| Real Estate:
Financing Receivable, Recorded Investment
Total		0
Commercial real estate - owner occupied
Financing Receivable, Recorded Investment
2023	13,216
2022	23,104
2021	20,962
2020	28,148
2019	22,170
Prior	86,519
Revolving Loans	3,134
Revolving Converted to Term	0
Total	197,253
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	0
Commercial real estate - owner occupied \| Real Estate:
Financing Receivable, Recorded Investment
Total		194,796
Commercial real estate - owner occupied \| Pass/Watch
Financing Receivable, Recorded Investment
2023	13,216
2022	23,104
2021	20,962
2020	28,148
2019	22,170
Prior	82,973
Revolving Loans	2,887
Revolving Converted to Term	0
Total	193,460
Commercial real estate - owner occupied \| Pass/Watch \| Real Estate:
Financing Receivable, Recorded Investment
Total		189,344
Commercial real estate - owner occupied \| Special mention
Financing Receivable, Recorded Investment
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	1,420
Revolving Loans	247
Revolving Converted to Term	0
Total	1,667
Commercial real estate - owner occupied \| Special mention \| Real Estate:
Financing Receivable, Recorded Investment
Total		3,283
Commercial real estate - owner occupied \| Substandard
Financing Receivable, Recorded Investment
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	2,126
Revolving Loans	0
Revolving Converted to Term	0
Total	2,126
Commercial real estate - owner occupied \| Substandard \| Real Estate:
Financing Receivable, Recorded Investment
Total		2,169
Commercial real estate - owner occupied \| Doubtful \| Real Estate:
Financing Receivable, Recorded Investment
Total		0
Commercial real estate - non-owner occupied
Financing Receivable, Recorded Investment
2023	71,209
2022	115,506
2021	77,927
2020	40,903
2019	23,257
Prior	184,096
Revolving Loans	12,308
Revolving Converted to Term	0
Total	525,206
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	0
Commercial real estate - non-owner occupied \| Real Estate:
Financing Receivable, Recorded Investment
Total		464,598
Commercial real estate - non-owner occupied \| Pass/Watch
Financing Receivable, Recorded Investment
2023	71,209
2022	114,906
2021	77,927
2020	40,903
2019	23,257
Prior	181,300
Revolving Loans	12,308
Revolving Converted to Term	0
Total	521,810
Commercial real estate - non-owner occupied \| Pass/Watch \| Real Estate:
Financing Receivable, Recorded Investment
Total		458,746
Commercial real estate - non-owner occupied \| Special mention
Financing Receivable, Recorded Investment
2023	0
2022	600
2021	0
2020	0
2019	0
Prior	434
Revolving Loans	0
Revolving Converted to Term	0
Total	1,034
Commercial real estate - non-owner occupied \| Special mention \| Real Estate:
Financing Receivable, Recorded Investment
Total		3,440
Commercial real estate - non-owner occupied \| Substandard
Financing Receivable, Recorded Investment
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	2,362
Revolving Loans	0
Revolving Converted to Term	0
Total	2,362
Commercial real estate - non-owner occupied \| Substandard \| Real Estate:
Financing Receivable, Recorded Investment
Total		2,412
Commercial real estate - non-owner occupied \| Doubtful \| Real Estate:
Financing Receivable, Recorded Investment
Total		0
Farmland
Financing Receivable, Recorded Investment
2023	5,597
2022	23,972
2021	10,960
2020	32,023
2019	11,221
Prior	24,012
Revolving Loans	13,685
Revolving Converted to Term	1,955
Total	123,425
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	0
Farmland \| Real Estate:
Financing Receivable, Recorded Investment
Total		119,601
Farmland \| Pass/Watch
Financing Receivable, Recorded Investment
2023	5,597
2022	23,972
2021	10,960
2020	29,810
2019	11,221
Prior	23,816
Revolving Loans	13,685
Revolving Converted to Term	1,955
Total	121,016
Farmland \| Pass/Watch \| Real Estate:
Financing Receivable, Recorded Investment
Total		109,898
Farmland \| Special mention
Financing Receivable, Recorded Investment
2023	0
2022	0
2021	0
2020	2,213
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	2,213
Farmland \| Special mention \| Real Estate:
Financing Receivable, Recorded Investment
Total		8,879
Farmland \| Substandard
Financing Receivable, Recorded Investment
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	196
Revolving Loans	0
Revolving Converted to Term	0
Total	196
Farmland \| Substandard \| Real Estate:
Financing Receivable, Recorded Investment
Total		824
Farmland \| Doubtful \| Real Estate:
Financing Receivable, Recorded Investment
Total		0
Multi-family residential
Financing Receivable, Recorded Investment
2023	2,992
2022	1,858
2021	20,358
2020	2,381
2019	4,561
Prior	12,134
Revolving Loans	531
Revolving Converted to Term	0
Total	44,815
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving Loans	0
Revolving Converted to Term	0
Total	0
Multi-family residential \| Real Estate:
Financing Receivable, Recorded Investment
Total		24,636
Multi-family residential \| Pass/Watch
Financing Receivable, Recorded Investment
2023	2,992
2022	1,858
2021	20,358
2020	2,381
2019	4,561
Prior	12,134
Revolving Loans	531
Revolving Converted to Term	0
Total	44,815

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