Allowance for Credit Losses - Recorded Investment of Commercial Loan Portfolio by Risk Category (Details ) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Analysis of risk category of loans by class of loans
Current period gross charge offs, Total	$ 4,376	$ 3,254
Commercial
Analysis of risk category of loans by class of loans
Current year	71,022		$ 499,652
Prior year	496,716		374,316
Two years before current year	373,716		253,771
Three years before current year	240,011		124,874
Four years before current year	118,048		111,374
Prior	502,741		438,014
Revolving Loans	176,589		176,357
Total loans	1,978,843		1,978,358
Commercial & Industrial
Analysis of risk category of loans by class of loans
Current period gross charge offs, 2023	8
Current period gross charge offs, 2022	15
Current period gross charge offs, 2021	39
Current period gross charge offs, Total	62
Commercial & Industrial | Commercial
Analysis of risk category of loans by class of loans
Current year	32,879		173,014
Prior year	145,690		139,881
Two years before current year	134,969		62,947
Three years before current year	51,906		58,203
Four years before current year	53,199		31,893
Prior	127,245		107,719
Revolving Loans	116,897		101,666
Total loans	662,785		675,323
Farmland | Commercial
Analysis of risk category of loans by class of loans
Current year	12,394		16,261
Prior year	16,577		22,530
Two years before current year	21,962		10,864
Three years before current year	9,389		10,928
Four years before current year	10,557		10,689
Prior	59,642		53,763
Revolving Loans	283		340
Total loans	130,804		125,375
Non Farm, Non Residential | Commercial
Analysis of risk category of loans by class of loans
Current year	15,142		102,728
Prior year	112,386		76,046
Two years before current year	74,971		33,910
Three years before current year	33,123		21,030
Four years before current year	20,145		31,438
Prior	136,704		118,415
Revolving Loans	2,893		2,975
Total loans	395,364		386,542
Agriculture | Commercial
Analysis of risk category of loans by class of loans
Current year	2,397		13,245
Prior year	13,174		9,067
Two years before current year	8,999		8,093
Three years before current year	7,390		8,710
Four years before current year	8,406		3,213
Prior	20,328		27,494
Revolving Loans	45,554		65,678
Total loans	106,248		135,500
All Other Commercial
Analysis of risk category of loans by class of loans
Current period gross charge offs, 2023	244
Current period gross charge offs, Total	244
All Other Commercial | Commercial
Analysis of risk category of loans by class of loans
Current year	7,514		143,980
Prior year	153,297		91,720
Two years before current year	96,916		90,845
Three years before current year	95,111		19,269
Four years before current year	19,069		29,172
Prior	120,340		94,932
Revolving Loans	10,792		5,602
Total loans	503,039		475,520
Multifamily | Commercial
Analysis of risk category of loans by class of loans
Current year	696		50,424
Prior year	55,592		35,072
Two years before current year	35,899		47,112
Three years before current year	43,092		6,734
Four years before current year	6,672		4,969
Prior	38,482		35,691
Revolving Loans	170		96
Total loans	180,603		180,098
Pass | Commercial
Analysis of risk category of loans by class of loans
Current year	58,937		489,819
Prior year	494,511		359,611
Two years before current year	360,052		244,888
Three years before current year	233,227		117,657
Four years before current year	112,689		104,403
Prior	456,519		396,572
Revolving Loans	165,823		163,520
Total loans	1,881,758		1,876,470
Pass | Commercial & Industrial | Commercial
Analysis of risk category of loans by class of loans
Current year	20,794		163,479
Prior year	143,766		128,012
Two years before current year	123,586		56,830
Three years before current year	46,757		54,208
Four years before current year	51,857		26,514
Prior	114,938		99,522
Revolving Loans	108,126		92,110
Total loans	609,824		620,675
Pass | Farmland | Commercial
Analysis of risk category of loans by class of loans
Current year	12,394		16,261
Prior year	16,577		22,530
Two years before current year	21,962		9,244
Three years before current year	8,885		9,438
Four years before current year	9,067		10,352
Prior	54,997		48,847
Revolving Loans	283		340
Total loans	124,165		117,012
Pass | Non Farm, Non Residential | Commercial
Analysis of risk category of loans by class of loans
Current year	15,142		102,629
Prior year	112,290		75,011
Two years before current year	73,946		33,214
Three years before current year	32,431		19,596
Four years before current year	18,736		31,438
Prior	130,690		111,586
Revolving Loans	2,893		2,975
Total loans	386,128		376,449
Pass | Agriculture | Commercial
Analysis of risk category of loans by class of loans
Current year	2,397		13,085
Prior year	13,026		9,028
Two years before current year	8,962		8,015
Three years before current year	7,319		8,422
Four years before current year	8,134		1,987
Prior	18,202		26,729
Revolving Loans	43,559		62,397
Total loans	101,599		129,663
Pass | All Other Commercial | Commercial
Analysis of risk category of loans by class of loans
Current year	7,514		143,941
Prior year	153,260		91,615
Two years before current year	96,815		90,845
Three years before current year	95,111		19,259
Four years before current year	18,223		29,143
Prior	108,023		82,535
Revolving Loans	10,792		5,602
Total loans	489,738		462,940
Pass | Multifamily | Commercial
Analysis of risk category of loans by class of loans
Current year	696		50,424
Prior year	55,592		33,415
Two years before current year	34,781		46,740
Three years before current year	42,724		6,734
Four years before current year	6,672		4,969
Prior	29,669		27,353
Revolving Loans	170		96
Total loans	170,304		169,731
Special Mention | Commercial
Analysis of risk category of loans by class of loans
Current year	43		2,282
Prior year	204		11,306
Two years before current year	10,448		4,980
Three years before current year	3,640		4,388
Four years before current year	2,678		2,061
Prior	26,245		24,472
Revolving Loans	2,394		2,972
Total loans	45,652		52,461
Special Mention | Commercial & Industrial | Commercial
Analysis of risk category of loans by class of loans
Current year	43		2,071
Prior year			9,738
Two years before current year	9,423		3,434
Three years before current year	3,264		2,572
Four years before current year	43		2,061
Prior	3,676		1,848
Revolving Loans	948		453
Total loans	17,397		22,177
Special Mention | Farmland | Commercial
Analysis of risk category of loans by class of loans
Two years before current year			1,164
Three years before current year			882
Four years before current year	882
Prior	2,495		2,930
Total loans	3,377		4,976
Special Mention | Non Farm, Non Residential | Commercial
Analysis of risk category of loans by class of loans
Current year			99
Prior year	96		1,035
Two years before current year	1,025
Three years before current year			921
Four years before current year	904
Prior	276		279
Total loans	2,301		2,334
Special Mention | Agriculture | Commercial
Analysis of risk category of loans by class of loans
Current year			89
Prior year	86
Two years before current year			10
Three years before current year	8		3
Four years before current year	3
Prior	705		709
Revolving Loans	1,446		2,519
Total loans	2,248		3,330
Special Mention | All Other Commercial | Commercial
Analysis of risk category of loans by class of loans
Current year			23
Prior year	22
Three years before current year			10
Four years before current year	846
Prior	11,815		11,911
Total loans	12,683		11,944
Special Mention | Multifamily | Commercial
Analysis of risk category of loans by class of loans
Prior year			533
Two years before current year			372
Three years before current year	368
Prior	7,278		6,795
Total loans	7,646		7,700
Substandard | Commercial
Analysis of risk category of loans by class of loans
Current year	3,297		423
Prior year	256		746
Two years before current year	697		2,317
Three years before current year	1,671		2,299
Four years before current year	2,268		4,707
Prior	18,923		15,856
Revolving Loans	8,372		9,865
Total loans	35,484		36,213
Substandard | Commercial & Industrial | Commercial
Analysis of risk category of loans by class of loans
Current year	3,297		423
Prior year	256		723
Two years before current year	676		1,861
Three years before current year	1,167		954
Four years before current year	931		3,169
Prior	8,456		6,264
Revolving Loans	7,823		9,103
Total loans	22,606		22,497
Substandard | Farmland | Commercial
Analysis of risk category of loans by class of loans
Two years before current year			456
Three years before current year	504		608
Four years before current year	608		337
Prior	2,133		1,969
Total loans	3,245		3,370
Substandard | Non Farm, Non Residential | Commercial
Analysis of risk category of loans by class of loans
Three years before current year			513
Four years before current year	505
Prior	5,647		6,281
Total loans	6,152		6,794
Substandard | Agriculture | Commercial
Analysis of risk category of loans by class of loans
Three years before current year			224
Four years before current year	224		1,201
Prior	1,406		56
Revolving Loans	549		762
Total loans	2,179		2,243
Substandard | All Other Commercial | Commercial
Analysis of risk category of loans by class of loans
Prior year			23
Two years before current year	21
Prior	6		6
Total loans	27		29
Substandard | Multifamily | Commercial
Analysis of risk category of loans by class of loans
Prior	1,275		1,280
Total loans	1,275		1,280
Not Rated | Commercial
Analysis of risk category of loans by class of loans
Current year	8,745		7,128
Prior year	1,745		2,653
Two years before current year	2,519		1,586
Three years before current year	1,473		530
Four years before current year	413		203
Prior	1,054		1,114
Total loans	15,949		13,214
Not Rated | Commercial & Industrial | Commercial
Analysis of risk category of loans by class of loans
Current year	8,745		7,041
Prior year	1,668		1,408
Two years before current year	1,284		822
Three years before current year	718		469
Four years before current year	368		149
Prior	175		85
Total loans	12,958		9,974
Not Rated | Farmland | Commercial
Analysis of risk category of loans by class of loans
Prior	17		17
Total loans	17		17
Not Rated | Non Farm, Non Residential | Commercial
Analysis of risk category of loans by class of loans
Two years before current year			696
Three years before current year	692
Prior	91		269
Total loans	783		965
Not Rated | Agriculture | Commercial
Analysis of risk category of loans by class of loans
Current year			71
Prior year	62		39
Two years before current year	37		68
Three years before current year	63		61
Four years before current year	45		25
Prior	15
Total loans	222		264
Not Rated | All Other Commercial | Commercial
Analysis of risk category of loans by class of loans
Current year			16
Prior year	15		82
Two years before current year	80
Four years before current year			29
Prior	496		480
Total loans	591		607
Not Rated | Multifamily | Commercial
Analysis of risk category of loans by class of loans
Prior year			1,124
Two years before current year	1,118
Prior	260		263
Total loans	$ 1,378		$ 1,387