Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	$ 1,274,717	$ 1,345,862
Pass
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,224,300	1,298,645
Special Mention
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	27,146	21,593
Substandard
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	23,271	25,624
Originated Loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,133,947	1,185,455
Originated Loans | Pass
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,094,619	1,146,329
Originated Loans | Special Mention
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	22,366	21,054
Originated Loans | Substandard
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	16,962	18,072
Originated Loans | Commercial real estate | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	214,646	214,795
Originated Loans | Commercial real estate | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	315,272	309,216
Originated Loans | Commercial real estate | Commercial farmland loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	150,452	156,053
Originated Loans | Commercial real estate | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	73,641	77,986
Originated Loans | Commercial real estate | Pass | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	207,222	208,289
Originated Loans | Commercial real estate | Pass | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	296,976	290,773
Originated Loans | Commercial real estate | Pass | Commercial farmland loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	147,653	153,225
Originated Loans | Commercial real estate | Pass | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	73,493	77,432
Originated Loans | Commercial real estate | Special Mention | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	6,131	5,121
Originated Loans | Commercial real estate | Special Mention | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	11,114	11,240
Originated Loans | Commercial real estate | Special Mention | Commercial farmland loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	2,441	2,464
Originated Loans | Commercial real estate | Special Mention | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	0	387
Originated Loans | Commercial real estate | Substandard | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,293	1,385
Originated Loans | Commercial real estate | Substandard | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	7,182	7,203
Originated Loans | Commercial real estate | Substandard | Commercial farmland loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	358	364
Originated Loans | Commercial real estate | Substandard | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	148	167
Originated Loans | Commercial | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	334,019	382,345
Originated Loans | Commercial | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	45,917	45,060
Originated Loans | Commercial | Pass | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	323,897	372,083
Originated Loans | Commercial | Pass | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	45,378	44,527
Originated Loans | Commercial | Special Mention | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	2,374	1,522
Originated Loans | Commercial | Special Mention | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	306	320
Originated Loans | Commercial | Substandard | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	7,748	8,740
Originated Loans | Commercial | Substandard | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	233	213
Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	140,770	160,407
Acquired Loans | Pass
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	129,681	152,316
Acquired Loans | Special Mention
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	4,780	539
Acquired Loans | Substandard
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	6,309	7,552
Acquired Loans | Commercial real estate | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	42,883	45,099
Acquired Loans | Commercial real estate | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	46,075	52,854
Acquired Loans | Commercial real estate | Commercial farmland loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	22,901	26,079
Acquired Loans | Commercial real estate | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	11,111	12,868
Acquired Loans | Commercial real estate | Pass | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	41,819	44,031
Acquired Loans | Commercial real estate | Pass | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	39,248	50,053
Acquired Loans | Commercial real estate | Pass | Commercial farmland loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	21,765	24,637
Acquired Loans | Commercial real estate | Pass | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	10,324	12,868
Acquired Loans | Commercial real estate | Special Mention | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	76	87
Acquired Loans | Commercial real estate | Special Mention | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	3,548	49
Acquired Loans | Commercial real estate | Special Mention | Commercial farmland loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	100	100
Acquired Loans | Commercial real estate | Special Mention | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	787	0
Acquired Loans | Commercial real estate | Substandard | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	988	981
Acquired Loans | Commercial real estate | Substandard | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	3,279	2,752
Acquired Loans | Commercial real estate | Substandard | Commercial farmland loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,036	1,342
Acquired Loans | Commercial real estate | Substandard | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	0	0
Acquired Loans | Commercial | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	13,719	18,658
Acquired Loans | Commercial | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	4,081	4,849
Acquired Loans | Commercial | Pass | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	12,731	16,246
Acquired Loans | Commercial | Pass | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	3,794	4,481
Acquired Loans | Commercial | Special Mention | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	0	0
Acquired Loans | Commercial | Special Mention | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	269	303
Acquired Loans | Commercial | Substandard | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	988	2,412
Acquired Loans | Commercial | Substandard | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	$ 18	$ 65