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Loans and Allowance for Credit Losses - Credit Risk Profile of Loan Portfolio Based on Risk Rating Category and Payment Activity (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Credit Quality Information [Abstract]
Current fiscal year	$ 1,200,288	$ 1,085,080
Fiscal year before current fiscal year	818,943	558,953
Two years before current fiscal year	547,593	386,847
Three years before current fiscal year	374,575	300,829
Four years before current fiscal year	247,554	247,242
Prior	763,077	517,313
Revolving Loans	43,493	42,155
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	3,995,523	3,138,419
Current fiscal year	1,200,288	1,085,080
Fiscal year before current fiscal year	818,943	558,953
Two years before current fiscal year	547,593	386,847
Three years before current fiscal year	374,575	300,829
Four years before current fiscal year	247,554	247,242
Prior	763,077	517,313
Revolving Loans	43,493	42,155
Total Loans Receivable	3,995,523	3,138,419
Pass
Credit Quality Information [Abstract]
Current fiscal year	1,177,678	1,052,257
Fiscal year before current fiscal year	815,269	511,427
Two years before current fiscal year	527,037	367,652
Three years before current fiscal year	367,606	279,274
Four years before current fiscal year	225,557	230,730
Prior	726,479	459,453
Revolving Loans	42,800	40,363
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	3,882,426	2,941,156
Current fiscal year	1,177,678	1,052,257
Fiscal year before current fiscal year	815,269	511,427
Two years before current fiscal year	527,037	367,652
Three years before current fiscal year	367,606	279,274
Four years before current fiscal year	225,557	230,730
Prior	726,479	459,453
Revolving Loans	42,800	40,363
Total Loans Receivable	3,882,426	2,941,156
Special Mention
Credit Quality Information [Abstract]
Current fiscal year	18,807	29,692
Fiscal year before current fiscal year	2,354	44,049
Two years before current fiscal year	11,947	8,731
Three years before current fiscal year	2,519	15,165
Four years before current fiscal year	13,769	9,344
Prior	16,798	30,525
Revolving Loans	41	293
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	66,235	137,799
Current fiscal year	18,807	29,692
Fiscal year before current fiscal year	2,354	44,049
Two years before current fiscal year	11,947	8,731
Three years before current fiscal year	2,519	15,165
Four years before current fiscal year	13,769	9,344
Prior	16,798	30,525
Revolving Loans	41	293
Total Loans Receivable	66,235	137,799
Substandard
Credit Quality Information [Abstract]
Current fiscal year	3,803	3,131
Fiscal year before current fiscal year	1,320	3,477
Two years before current fiscal year	8,609	10,464
Three years before current fiscal year	4,450	6,390
Four years before current fiscal year	8,228	7,168
Prior	19,800	27,335
Revolving Loans	652	1,499
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	46,862	59,464
Current fiscal year	3,803	3,131
Fiscal year before current fiscal year	1,320	3,477
Two years before current fiscal year	8,609	10,464
Three years before current fiscal year	4,450	6,390
Four years before current fiscal year	8,228	7,168
Prior	19,800	27,335
Revolving Loans	652	1,499
Total Loans Receivable	46,862	59,464
Agricultural Loans
Credit Quality Information [Abstract]
Current fiscal year	119,453	104,515
Fiscal year before current fiscal year	18,357	20,401
Two years before current fiscal year	8,260	6,697
Three years before current fiscal year	2,972	2,062
Four years before current fiscal year	937	783
Prior	1,505	2,894
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	151,484	137,352
Current fiscal year	119,453	104,515
Fiscal year before current fiscal year	18,357	20,401
Two years before current fiscal year	8,260	6,697
Three years before current fiscal year	2,972	2,062
Four years before current fiscal year	937	783
Prior	1,505	2,894
Revolving Loans	0
Total Loans Receivable	151,484	137,352
Agricultural Loans | Pass
Credit Quality Information [Abstract]
Current fiscal year	105,378	83,377
Fiscal year before current fiscal year	17,903	15,680
Two years before current fiscal year	5,612	5,978
Three years before current fiscal year	2,822	1,838
Four years before current fiscal year	924	635
Prior	1,316	2,856
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	133,955	110,364
Current fiscal year	105,378	83,377
Fiscal year before current fiscal year	17,903	15,680
Two years before current fiscal year	5,612	5,978
Three years before current fiscal year	2,822	1,838
Four years before current fiscal year	924	635
Prior	1,316	2,856
Revolving Loans	0
Total Loans Receivable	133,955	110,364
Agricultural Loans | Special Mention
Credit Quality Information [Abstract]
Current fiscal year	13,725	21,070
Fiscal year before current fiscal year	436	4,483
Two years before current fiscal year	2,648	694
Three years before current fiscal year	150	224
Four years before current fiscal year	13	148
Prior	64	38
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	17,036	26,657
Current fiscal year	13,725	21,070
Fiscal year before current fiscal year	436	4,483
Two years before current fiscal year	2,648	694
Three years before current fiscal year	150	224
Four years before current fiscal year	13	148
Prior	64	38
Revolving Loans	0
Total Loans Receivable	17,036	26,657
Agricultural Loans | Substandard
Credit Quality Information [Abstract]
Current fiscal year	350	68
Fiscal year before current fiscal year	18	238
Two years before current fiscal year	0	25
Three years before current fiscal year	0
Four years before current fiscal year	0
Prior	125
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	493	331
Current fiscal year	350	68
Fiscal year before current fiscal year	18	238
Two years before current fiscal year	0	25
Three years before current fiscal year	0
Four years before current fiscal year	0
Prior	125
Revolving Loans	0
Total Loans Receivable	493	331
Commercial Industrial And Other Portfolio Segment
Credit Quality Information [Abstract]
Current fiscal year	280,933	376,688
Fiscal year before current fiscal year	168,095	166,638
Two years before current fiscal year	121,298	71,878
Three years before current fiscal year	76,825	81,068
Four years before current fiscal year	23,389	43,676
Prior	305,214	116,603
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	975,754	856,551
Current fiscal year	280,933	376,688
Fiscal year before current fiscal year	168,095	166,638
Two years before current fiscal year	121,298	71,878
Three years before current fiscal year	76,825	81,068
Four years before current fiscal year	23,389	43,676
Prior	305,214	116,603
Revolving Loans	0
Total Loans Receivable	975,754	856,551
Commercial Industrial And Other Portfolio Segment | Pass
Credit Quality Information [Abstract]
Current fiscal year	279,814	371,683
Fiscal year before current fiscal year	167,662	132,148
Two years before current fiscal year	119,702	70,497
Three years before current fiscal year	76,022	78,890
Four years before current fiscal year	22,888	42,439
Prior	302,962	114,904
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	969,050	810,561
Current fiscal year	279,814	371,683
Fiscal year before current fiscal year	167,662	132,148
Two years before current fiscal year	119,702	70,497
Three years before current fiscal year	76,022	78,890
Four years before current fiscal year	22,888	42,439
Prior	302,962	114,904
Revolving Loans	0
Total Loans Receivable	969,050	810,561
Commercial Industrial And Other Portfolio Segment | Special Mention
Credit Quality Information [Abstract]
Current fiscal year	613	4,116
Fiscal year before current fiscal year	399	32,130
Two years before current fiscal year	1,463	849
Three years before current fiscal year	182	489
Four years before current fiscal year	477	1,101
Prior	819	730
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	3,953	39,415
Current fiscal year	613	4,116
Fiscal year before current fiscal year	399	32,130
Two years before current fiscal year	1,463	849
Three years before current fiscal year	182	489
Four years before current fiscal year	477	1,101
Prior	819	730
Revolving Loans	0
Total Loans Receivable	3,953	39,415
Commercial Industrial And Other Portfolio Segment | Substandard
Credit Quality Information [Abstract]
Current fiscal year	506	889
Fiscal year before current fiscal year	34	2,360
Two years before current fiscal year	133	532
Three years before current fiscal year	621	1,689
Four years before current fiscal year	24	136
Prior	1,433	969
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	2,751	6,575
Current fiscal year	506	889
Fiscal year before current fiscal year	34	2,360
Two years before current fiscal year	133	532
Three years before current fiscal year	621	1,689
Four years before current fiscal year	24	136
Prior	1,433	969
Revolving Loans	0
Total Loans Receivable	2,751	6,575
Consumer Loans
Credit Quality Information [Abstract]
Current fiscal year	28,601	31,624
Fiscal year before current fiscal year	19,145	21,424
Two years before current fiscal year	17,324	12,219
Three years before current fiscal year	6,192	8,375
Four years before current fiscal year	4,340	3,218
Prior	2,840	1,142
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	78,442	78,002
Current fiscal year	28,601	31,624
Fiscal year before current fiscal year	19,145	21,424
Two years before current fiscal year	17,324	12,219
Three years before current fiscal year	6,192	8,375
Four years before current fiscal year	4,340	3,218
Prior	2,840	1,142
Revolving Loans	0
Total Loans Receivable	78,442	78,002
Consumer Loans | Pass
Credit Quality Information [Abstract]
Current fiscal year	27,948	31,609
Fiscal year before current fiscal year	19,033	21,384
Two years before current fiscal year	16,978	12,084
Three years before current fiscal year	5,505	8,279
Four years before current fiscal year	4,297	3,150
Prior	1,244	1,022
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	75,005	77,528
Current fiscal year	27,948	31,609
Fiscal year before current fiscal year	19,033	21,384
Two years before current fiscal year	16,978	12,084
Three years before current fiscal year	5,505	8,279
Four years before current fiscal year	4,297	3,150
Prior	1,244	1,022
Revolving Loans	0
Total Loans Receivable	75,005	77,528
Consumer Loans | Special Mention
Credit Quality Information [Abstract]
Current fiscal year	68
Fiscal year before current fiscal year	54	24
Two years before current fiscal year	38	24
Three years before current fiscal year	9	1
Four years before current fiscal year	0	1
Prior	0
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	169	50
Current fiscal year	68
Fiscal year before current fiscal year	54	24
Two years before current fiscal year	38	24
Three years before current fiscal year	9	1
Four years before current fiscal year	0	1
Prior	0
Revolving Loans	0
Total Loans Receivable	169	50
Consumer Loans | Substandard
Credit Quality Information [Abstract]
Current fiscal year	585	15
Fiscal year before current fiscal year	58	16
Two years before current fiscal year	308	111
Three years before current fiscal year	678	95
Four years before current fiscal year	43	67
Prior	1,596	120
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	3,268	424
Current fiscal year	585	15
Fiscal year before current fiscal year	58	16
Two years before current fiscal year	308	111
Three years before current fiscal year	678	95
Four years before current fiscal year	43	67
Prior	1,596	120
Revolving Loans	0
Total Loans Receivable	3,268	424
Real Estate Loan
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable		2,066,514
Total Loans Receivable		2,066,514
Real Estate Loan | Construction and Land Development
Credit Quality Information [Abstract]
Current fiscal year	38,766	41,842
Fiscal year before current fiscal year	34,774	41,117
Two years before current fiscal year	23,505	31,500
Three years before current fiscal year	34,841	3,277
Four years before current fiscal year	3,760	871
Prior	9,472	3,872
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	145,118	122,479
Current fiscal year	38,766	41,842
Fiscal year before current fiscal year	34,774	41,117
Two years before current fiscal year	23,505	31,500
Three years before current fiscal year	34,841	3,277
Four years before current fiscal year	3,760	871
Prior	9,472	3,872
Revolving Loans	0
Total Loans Receivable	145,118	122,479
Real Estate Loan | Construction and Land Development | Pass
Credit Quality Information [Abstract]
Current fiscal year	38,656	41,842
Fiscal year before current fiscal year	34,774	40,989
Two years before current fiscal year	23,505	31,500
Three years before current fiscal year	34,358	2,760
Four years before current fiscal year	3,760	871
Prior	9,433	3,822
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	144,486	121,784
Current fiscal year	38,656	41,842
Fiscal year before current fiscal year	34,774	40,989
Two years before current fiscal year	23,505	31,500
Three years before current fiscal year	34,358	2,760
Four years before current fiscal year	3,760	871
Prior	9,433	3,822
Revolving Loans	0
Total Loans Receivable	144,486	121,784
Real Estate Loan | Construction and Land Development | Special Mention
Credit Quality Information [Abstract]
Current fiscal year	110
Fiscal year before current fiscal year	0
Two years before current fiscal year	0
Three years before current fiscal year	0
Four years before current fiscal year	0
Prior	0
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	110
Current fiscal year	110
Fiscal year before current fiscal year	0
Two years before current fiscal year	0
Three years before current fiscal year	0
Four years before current fiscal year	0
Prior	0
Revolving Loans	0
Total Loans Receivable	110
Real Estate Loan | Construction and Land Development | Substandard
Credit Quality Information [Abstract]
Current fiscal year	0
Fiscal year before current fiscal year	0	128
Two years before current fiscal year	0
Three years before current fiscal year	483	517
Four years before current fiscal year	0
Prior	39	50
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	522	695
Current fiscal year	0
Fiscal year before current fiscal year	0	128
Two years before current fiscal year	0
Three years before current fiscal year	483	517
Four years before current fiscal year	0
Prior	39	50
Revolving Loans	0
Total Loans Receivable	522	695
Real Estate Loan | Agricultural
Credit Quality Information [Abstract]
Current fiscal year	79,665	75,475
Fiscal year before current fiscal year	64,418	38,382
Two years before current fiscal year	30,133	39,172
Three years before current fiscal year	30,774	16,815
Four years before current fiscal year	12,268	14,729
Prior	62,014	69,768
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	279,272	254,341
Current fiscal year	79,665	75,475
Fiscal year before current fiscal year	64,418	38,382
Two years before current fiscal year	30,133	39,172
Three years before current fiscal year	30,774	16,815
Four years before current fiscal year	12,268	14,729
Prior	62,014	69,768
Revolving Loans	0
Total Loans Receivable	279,272	254,341
Real Estate Loan | Agricultural | Pass
Credit Quality Information [Abstract]
Current fiscal year	78,793	73,630
Fiscal year before current fiscal year	64,159	34,412
Two years before current fiscal year	25,713	37,839
Three years before current fiscal year	30,203	16,138
Four years before current fiscal year	12,142	13,559
Prior	54,808	58,291
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	265,818	233,869
Current fiscal year	78,793	73,630
Fiscal year before current fiscal year	64,159	34,412
Two years before current fiscal year	25,713	37,839
Three years before current fiscal year	30,203	16,138
Four years before current fiscal year	12,142	13,559
Prior	54,808	58,291
Revolving Loans	0
Total Loans Receivable	265,818	233,869
Real Estate Loan | Agricultural | Special Mention
Credit Quality Information [Abstract]
Current fiscal year	872	1,845
Fiscal year before current fiscal year	259	3,970
Two years before current fiscal year	4,028	533
Three years before current fiscal year	384	469
Four years before current fiscal year	69	1,106
Prior	6,087	11,232
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	11,699	19,155
Current fiscal year	872	1,845
Fiscal year before current fiscal year	259	3,970
Two years before current fiscal year	4,028	533
Three years before current fiscal year	384	469
Four years before current fiscal year	69	1,106
Prior	6,087	11,232
Revolving Loans	0
Total Loans Receivable	11,699	19,155
Real Estate Loan | Agricultural | Substandard
Credit Quality Information [Abstract]
Current fiscal year	0
Fiscal year before current fiscal year	0
Two years before current fiscal year	392	800
Three years before current fiscal year	187	208
Four years before current fiscal year	57	64
Prior	1,119	245
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	1,755	1,317
Current fiscal year	0
Fiscal year before current fiscal year	0
Two years before current fiscal year	392	800
Three years before current fiscal year	187	208
Four years before current fiscal year	57	64
Prior	1,119	245
Revolving Loans	0
Total Loans Receivable	1,755	1,317
Real Estate Loan | Commercial And Multifamily Portfolio Segment
Credit Quality Information [Abstract]
Current fiscal year	573,392	373,082
Fiscal year before current fiscal year	419,254	238,459
Two years before current fiscal year	308,051	184,780
Three years before current fiscal year	176,922	161,567
Four years before current fiscal year	166,066	155,046
Prior	321,455	250,998
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	1,965,140	1,363,932
Current fiscal year	573,392	373,082
Fiscal year before current fiscal year	419,254	238,459
Two years before current fiscal year	308,051	184,780
Three years before current fiscal year	176,922	161,567
Four years before current fiscal year	166,066	155,046
Prior	321,455	250,998
Revolving Loans	0
Total Loans Receivable	1,965,140	1,363,932
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Pass
Credit Quality Information [Abstract]
Current fiscal year	568,200	368,750
Fiscal year before current fiscal year	417,334	237,119
Two years before current fiscal year	299,973	171,591
Three years before current fiscal year	174,448	148,283
Four years before current fiscal year	150,811	143,400
Prior	304,585	215,616
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	1,915,351	1,284,759
Current fiscal year	568,200	368,750
Fiscal year before current fiscal year	417,334	237,119
Two years before current fiscal year	299,973	171,591
Three years before current fiscal year	174,448	148,283
Four years before current fiscal year	150,811	143,400
Prior	304,585	215,616
Revolving Loans	0
Total Loans Receivable	1,915,351	1,284,759
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Special Mention
Credit Quality Information [Abstract]
Current fiscal year	3,185	2,469
Fiscal year before current fiscal year	1,206	1,300
Two years before current fiscal year	1,836	6,108
Three years before current fiscal year	1,295	11,262
Four years before current fiscal year	10,609	6,741
Prior	8,632	16,947
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	26,763	44,827
Current fiscal year	3,185	2,469
Fiscal year before current fiscal year	1,206	1,300
Two years before current fiscal year	1,836	6,108
Three years before current fiscal year	1,295	11,262
Four years before current fiscal year	10,609	6,741
Prior	8,632	16,947
Revolving Loans	0
Total Loans Receivable	26,763	44,827
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Substandard
Credit Quality Information [Abstract]
Current fiscal year	2,007	1,863
Fiscal year before current fiscal year	714	40
Two years before current fiscal year	6,242	7,081
Three years before current fiscal year	1,179	2,022
Four years before current fiscal year	4,646	4,905
Prior	8,238	18,435
Revolving Loans	0
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	23,026	34,346
Current fiscal year	2,007	1,863
Fiscal year before current fiscal year	714	40
Two years before current fiscal year	6,242	7,081
Three years before current fiscal year	1,179	2,022
Four years before current fiscal year	4,646	4,905
Prior	8,238	18,435
Revolving Loans	0
Total Loans Receivable	23,026	34,346
Real Estate Loan | Consumer Loans
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	2,789,843
Total Loans Receivable	2,789,843
1-4 Family | Real Estate Loan
Credit Quality Information [Abstract]
Current fiscal year	79,478	81,854
Fiscal year before current fiscal year	94,900	32,532
Two years before current fiscal year	39,022	40,601
Three years before current fiscal year	46,049	27,665
Four years before current fiscal year	36,794	28,919
Prior	60,577	72,036
Revolving Loans	43,493	42,155
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	400,313	325,762
Current fiscal year	79,478	81,854
Fiscal year before current fiscal year	94,900	32,532
Two years before current fiscal year	39,022	40,601
Three years before current fiscal year	46,049	27,665
Four years before current fiscal year	36,794	28,919
Prior	60,577	72,036
Revolving Loans	43,493	42,155
Total Loans Receivable	400,313	325,762
1-4 Family | Real Estate Loan | Pass
Credit Quality Information [Abstract]
Current fiscal year	78,889	81,366
Fiscal year before current fiscal year	94,404	29,695
Two years before current fiscal year	35,554	38,163
Three years before current fiscal year	44,248	23,086
Four years before current fiscal year	30,735	26,676
Prior	52,131	62,942
Revolving Loans	42,800	40,363
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	378,761	302,291
Current fiscal year	78,889	81,366
Fiscal year before current fiscal year	94,404	29,695
Two years before current fiscal year	35,554	38,163
Three years before current fiscal year	44,248	23,086
Four years before current fiscal year	30,735	26,676
Prior	52,131	62,942
Revolving Loans	42,800	40,363
Total Loans Receivable	378,761	302,291
1-4 Family | Real Estate Loan | Special Mention
Credit Quality Information [Abstract]
Current fiscal year	234	192
Fiscal year before current fiscal year	0	2,142
Two years before current fiscal year	1,934	523
Three years before current fiscal year	499	2,720
Four years before current fiscal year	2,601	247
Prior	1,196	1,578
Revolving Loans	41	293
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	6,505	7,695
Current fiscal year	234	192
Fiscal year before current fiscal year	0	2,142
Two years before current fiscal year	1,934	523
Three years before current fiscal year	499	2,720
Four years before current fiscal year	2,601	247
Prior	1,196	1,578
Revolving Loans	41	293
Total Loans Receivable	6,505	7,695
1-4 Family | Real Estate Loan | Substandard
Credit Quality Information [Abstract]
Current fiscal year	355	296
Fiscal year before current fiscal year	496	695
Two years before current fiscal year	1,534	1,915
Three years before current fiscal year	1,302	1,859
Four years before current fiscal year	3,458	1,996
Prior	7,250	7,516
Revolving Loans	652	1,499
Loans Receivable Aging Analysis [Abstract]
Total Loans Receivable	15,047	15,776
Current fiscal year	355	296
Fiscal year before current fiscal year	496	695
Two years before current fiscal year	1,534	1,915
Three years before current fiscal year	1,302	1,859
Four years before current fiscal year	3,458	1,996
Prior	7,250	7,516
Revolving Loans	652	1,499
Total Loans Receivable	$ 15,047	$ 15,776

X

- Definition

Financing receivable including held for sale net of deferred income.

+ References

No definition available.

+ Details

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