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Allowance for Credit Losses - Schedule Credit Quality Indicators (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	$ 276,426	$ 1,246,402
Fiscal year before latest fiscal year	1,274,430	1,284,725
Two years before latest fiscal year	1,264,623	607,121
Three years before latest fiscal year	585,559	526,167
Four years before latest fiscal year	501,627	378,767
Prior	1,642,566	1,383,071
Revolving Loans Amortized Cost Basis	962,228	1,010,395
Revolving Loans Converted to Term	13,281	13,799
Financing receivable	6,520,740	6,450,447
Current period gross charge-offs
Current fiscal year	135
Fiscal year before latest fiscal year	48
Two years before latest fiscal year	0
Three years before latest fiscal year	36
Four years before latest fiscal year	0
Prior	2
Revolving Loans Amortized Cost Basis	55
Revolving Loans Converted to Term	0
Total	276
Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Financing receivable	4,343,924	4,359,083
Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Financing receivable	1,252,225	1,240,743
Commercial and industrial
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	41,139	130,035
Fiscal year before latest fiscal year	98,808	66,247
Two years before latest fiscal year	63,054	22,946
Three years before latest fiscal year	15,950	23,194
Four years before latest fiscal year	17,589	7,799
Prior	10,730	6,430
Revolving Loans Amortized Cost Basis	328,169	312,686
Revolving Loans Converted to Term	808	584
Financing receivable	576,247	569,921
Current period gross charge-offs
Current fiscal year	63
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	50
Revolving Loans Converted to Term	0
Total	113
Construction
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	19,561	72,840
Fiscal year before latest fiscal year	133,019	72,308
Two years before latest fiscal year	66,947	43,409
Three years before latest fiscal year	47,431	15,815
Four years before latest fiscal year	4,895	2,159
Prior	6,572	5,029
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	278,425	211,560
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Agriculture production
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	249	3,414
Fiscal year before latest fiscal year	3,154	2,777
Two years before latest fiscal year	2,407	1,149
Three years before latest fiscal year	882	1,104
Four years before latest fiscal year	875	8,992
Prior	8,907	1,089
Revolving Loans Amortized Cost Basis	44,863	42,889
Revolving Loans Converted to Term	0	0
Financing receivable	61,337	61,414
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Leases
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	8,582	7,726
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	8,582	7,726
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
CRE non-owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	74,480	399,910
Fiscal year before latest fiscal year	411,202	305,500
Two years before latest fiscal year	296,163	153,728
Three years before latest fiscal year	145,352	241,692
Four years before latest fiscal year	244,830	148,901
Prior	865,178	774,854
Revolving Loans Amortized Cost Basis	105,941	125,140
Revolving Loans Converted to Term	0	0
Financing receivable	2,143,146	2,149,725
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
CRE owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	43,556	213,445
Fiscal year before latest fiscal year	195,734	214,083
Two years before latest fiscal year	209,441	126,412
Three years before latest fiscal year	130,291	66,868
Four years before latest fiscal year	62,310	50,858
Prior	301,157	268,762
Revolving Loans Amortized Cost Basis	29,872	44,379
Revolving Loans Converted to Term	0	0
Financing receivable	972,361	984,807
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Multifamily | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	7,578	159,318
Fiscal year before latest fiscal year	179,229	290,170
Two years before latest fiscal year	292,803	96,937
Three years before latest fiscal year	90,198	108,586
Four years before latest fiscal year	107,518	106,287
Prior	236,421	154,250
Revolving Loans Amortized Cost Basis	37,843	28,989
Revolving Loans Converted to Term	0	0
Financing receivable	951,590	944,537
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Farmland | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	14,477	50,206
Fiscal year before latest fiscal year	50,066	54,058
Two years before latest fiscal year	52,667	18,757
Three years before latest fiscal year	16,986	24,354
Four years before latest fiscal year	22,574	15,544
Prior	60,251	45,613
Revolving Loans Amortized Cost Basis	59,806	71,482
Revolving Loans Converted to Term	0	0
Financing receivable	276,827	280,014
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
SFR 1-4 1st DT liens | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	52,682	194,933
Fiscal year before latest fiscal year	192,527	266,574
Two years before latest fiscal year	270,341	133,453
Three years before latest fiscal year	129,675	33,677
Four years before latest fiscal year	32,392	32,826
Prior	147,398	124,844
Revolving Loans Amortized Cost Basis	0	8
Revolving Loans Converted to Term	4,331	4,034
Financing receivable	829,346	790,349
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
SFR HELOCs and junior liens | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	307	505
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	110	127
Revolving Loans Amortized Cost Basis	355,041	383,853
Revolving Loans Converted to Term	8,142	9,181
Financing receivable	363,600	393,666
Current period gross charge-offs
Current fiscal year	0
Fiscal year before latest fiscal year	0
Two years before latest fiscal year	0
Three years before latest fiscal year	0
Four years before latest fiscal year	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Other | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	13,815	14,070
Fiscal year before latest fiscal year	10,691	13,008
Two years before latest fiscal year	10,800	10,330
Three years before latest fiscal year	8,794	10,877
Four years before latest fiscal year	8,644	5,401
Prior	5,842	2,073
Revolving Loans Amortized Cost Basis	693	969
Revolving Loans Converted to Term	0	0
Financing receivable	59,279	56,728
Current period gross charge-offs
Current fiscal year	72
Fiscal year before latest fiscal year	48
Two years before latest fiscal year	0
Three years before latest fiscal year	36
Four years before latest fiscal year	0
Prior	2
Revolving Loans Amortized Cost Basis	5
Revolving Loans Converted to Term	0
Total	163
Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	275,605	1,235,594
Fiscal year before latest fiscal year	1,254,887	1,264,279
Two years before latest fiscal year	1,219,137	592,002
Three years before latest fiscal year	564,839	496,716
Four years before latest fiscal year	474,526	368,729
Prior	1,567,275	1,317,334
Revolving Loans Amortized Cost Basis	932,287	965,422
Revolving Loans Converted to Term	11,337	11,869
Financing receivable	6,299,893	6,251,945
Pass | Commercial and industrial
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	40,481	125,710
Fiscal year before latest fiscal year	94,564	64,966
Two years before latest fiscal year	61,113	17,746
Three years before latest fiscal year	12,857	23,131
Four years before latest fiscal year	17,544	7,628
Prior	9,489	5,051
Revolving Loans Amortized Cost Basis	319,172	297,341
Revolving Loans Converted to Term	308	483
Financing receivable	555,528	542,056
Pass | Construction
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	19,561	72,840
Fiscal year before latest fiscal year	126,026	72,308
Two years before latest fiscal year	66,947	43,409
Three years before latest fiscal year	47,431	15,358
Four years before latest fiscal year	4,822	2,159
Prior	6,572	4,900
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	271,359	210,974
Pass | Agriculture production
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	249	3,414
Fiscal year before latest fiscal year	3,154	2,777
Two years before latest fiscal year	2,407	1,149
Three years before latest fiscal year	882	1,104
Four years before latest fiscal year	875	8,902
Prior	8,611	1,058
Revolving Loans Amortized Cost Basis	35,606	38,425
Revolving Loans Converted to Term	0	0
Financing receivable	51,784	56,829
Pass | Leases
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	8,582	7,726
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	8,582	7,726
Pass | CRE non-owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	74,480	399,910
Fiscal year before latest fiscal year	411,202	304,636
Two years before latest fiscal year	287,950	152,960
Three years before latest fiscal year	139,902	221,659
Four years before latest fiscal year	224,859	147,842
Prior	833,291	748,994
Revolving Loans Amortized Cost Basis	104,382	123,794
Revolving Loans Converted to Term	0	0
Financing receivable	2,076,066	2,099,795
Pass | CRE owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	43,483	210,101
Fiscal year before latest fiscal year	191,817	197,787
Two years before latest fiscal year	193,284	120,929
Three years before latest fiscal year	122,066	64,244
Four years before latest fiscal year	61,481	49,755
Prior	284,127	251,137
Revolving Loans Amortized Cost Basis	29,719	43,343
Revolving Loans Converted to Term	0	0
Financing receivable	925,977	937,296
Pass | Multifamily | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	7,578	159,318
Fiscal year before latest fiscal year	179,229	290,170
Two years before latest fiscal year	280,895	96,937
Three years before latest fiscal year	90,198	108,586
Four years before latest fiscal year	107,518	106,287
Prior	236,312	154,125
Revolving Loans Amortized Cost Basis	37,843	28,989
Revolving Loans Converted to Term	0	0
Financing receivable	939,573	944,412
Pass | Farmland | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	14,477	47,067
Fiscal year before latest fiscal year	46,947	53,275
Two years before latest fiscal year	46,891	16,739
Three years before latest fiscal year	16,295	18,589
Four years before latest fiscal year	17,340	12,386
Prior	44,959	34,528
Revolving Loans Amortized Cost Basis	54,290	53,684
Revolving Loans Converted to Term	0	0
Financing receivable	241,199	236,268
Pass | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	52,682	194,933
Fiscal year before latest fiscal year	191,299	265,370
Two years before latest fiscal year	269,009	131,922
Three years before latest fiscal year	126,461	33,395
Four years before latest fiscal year	31,577	28,545
Prior	138,088	115,469
Revolving Loans Amortized Cost Basis	0	8
Revolving Loans Converted to Term	3,542	2,924
Financing receivable	812,658	772,566
Pass | SFR HELOCs and junior liens | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	307	505
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	110	127
Revolving Loans Amortized Cost Basis	350,621	378,939
Revolving Loans Converted to Term	7,487	8,462
Financing receivable	358,525	388,033
Pass | Other | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	13,725	14,070
Fiscal year before latest fiscal year	10,649	12,990
Two years before latest fiscal year	10,641	10,211
Three years before latest fiscal year	8,747	10,650
Four years before latest fiscal year	8,510	5,225
Prior	5,716	1,945
Revolving Loans Amortized Cost Basis	654	899
Revolving Loans Converted to Term	0	0
Financing receivable	58,642	55,990
Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	731	6,302
Fiscal year before latest fiscal year	15,029	17,236
Two years before latest fiscal year	39,634	2,109
Three years before latest fiscal year	12,111	26,230
Four years before latest fiscal year	24,431	3,681
Prior	46,595	39,328
Revolving Loans Amortized Cost Basis	16,575	31,568
Revolving Loans Converted to Term	572	546
Financing receivable	155,678	127,000
Special Mention | Commercial and industrial
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	658	3,032
Fiscal year before latest fiscal year	2,999	139
Two years before latest fiscal year	238	21
Three years before latest fiscal year	64	49
Four years before latest fiscal year	26	138
Prior	970	768
Revolving Loans Amortized Cost Basis	7,116	11,547
Revolving Loans Converted to Term	401	0
Financing receivable	12,472	15,694
Special Mention | Construction
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	6,993	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	6,993	0
Special Mention | Agriculture production
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	90
Prior	296	31
Revolving Loans Amortized Cost Basis	6,399	1,632
Revolving Loans Converted to Term	0	0
Financing receivable	6,695	1,753
Special Mention | Leases
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Special Mention | CRE non-owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	7,422	0
Three years before latest fiscal year	5,450	20,033
Four years before latest fiscal year	17,579	0
Prior	27,217	21,681
Revolving Loans Amortized Cost Basis	1,347	1,346
Revolving Loans Converted to Term	0	0
Financing receivable	59,015	43,060
Special Mention | CRE owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	73	131
Fiscal year before latest fiscal year	845	16,296
Two years before latest fiscal year	14,981	234
Three years before latest fiscal year	3,040	731
Four years before latest fiscal year	717	0
Prior	6,386	6,971
Revolving Loans Amortized Cost Basis	0	879
Revolving Loans Converted to Term	0	0
Financing receivable	26,042	25,242
Special Mention | Multifamily | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	11,908	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	11,908	0
Special Mention | Farmland | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	3,139
Fiscal year before latest fiscal year	3,119	783
Two years before latest fiscal year	4,986	246
Three years before latest fiscal year	326	5,000
Four years before latest fiscal year	5,234	0
Prior	4,834	3,991
Revolving Loans Amortized Cost Basis	736	14,275
Revolving Loans Converted to Term	0	0
Financing receivable	19,235	27,434
Special Mention | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	1,073	0
Two years before latest fiscal year	0	1,531
Three years before latest fiscal year	3,214	282
Four years before latest fiscal year	815	3,277
Prior	6,810	5,854
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	34	465
Financing receivable	11,946	11,409
Special Mention | SFR HELOCs and junior liens | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	959	1,842
Revolving Loans Converted to Term	137	81
Financing receivable	1,096	1,923
Special Mention | Other | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	18
Two years before latest fiscal year	99	77
Three years before latest fiscal year	17	135
Four years before latest fiscal year	60	176
Prior	82	32
Revolving Loans Amortized Cost Basis	18	47
Revolving Loans Converted to Term	0	0
Financing receivable	276	485
Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	90	4,506
Fiscal year before latest fiscal year	4,514	3,210
Two years before latest fiscal year	5,852	13,010
Three years before latest fiscal year	8,609	3,221
Four years before latest fiscal year	2,670	6,357
Prior	28,696	26,409
Revolving Loans Amortized Cost Basis	13,366	13,405
Revolving Loans Converted to Term	1,372	1,384
Financing receivable	65,169	71,502
Substandard | Commercial and industrial
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	1,293
Fiscal year before latest fiscal year	1,245	1,142
Two years before latest fiscal year	1,703	5,179
Three years before latest fiscal year	3,029	14
Four years before latest fiscal year	19	33
Prior	271	611
Revolving Loans Amortized Cost Basis	1,881	3,798
Revolving Loans Converted to Term	99	101
Financing receivable	8,247	12,171
Substandard | Construction
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	457
Four years before latest fiscal year	73	0
Prior	0	129
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	73	586
Substandard | Agriculture production
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	2,858	2,832
Revolving Loans Converted to Term	0	0
Financing receivable	2,858	2,832
Substandard | Leases
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Substandard | CRE non-owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	864
Two years before latest fiscal year	791	768
Three years before latest fiscal year	0	0
Four years before latest fiscal year	2,392	1,059
Prior	4,670	4,179
Revolving Loans Amortized Cost Basis	212	0
Revolving Loans Converted to Term	0	0
Financing receivable	8,065	6,870
Substandard | CRE owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	3,213
Fiscal year before latest fiscal year	3,072	0
Two years before latest fiscal year	1,176	5,249
Three years before latest fiscal year	5,185	1,893
Four years before latest fiscal year	112	1,103
Prior	10,644	10,654
Revolving Loans Amortized Cost Basis	153	157
Revolving Loans Converted to Term	0	0
Financing receivable	20,342	22,269
Substandard | Multifamily | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	109	125
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	109	125
Substandard | Farmland | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	790	1,772
Three years before latest fiscal year	365	765
Four years before latest fiscal year	0	3,158
Prior	10,458	7,094
Revolving Loans Amortized Cost Basis	4,780	3,523
Revolving Loans Converted to Term	0	0
Financing receivable	16,393	16,312
Substandard | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	155	1,204
Two years before latest fiscal year	1,332	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	1,004
Prior	2,500	3,521
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	755	645
Financing receivable	4,742	6,374
Substandard | SFR HELOCs and junior liens | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	3,461	3,072
Revolving Loans Converted to Term	518	638
Financing receivable	3,979	3,710
Substandard | Other | Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	90	0
Fiscal year before latest fiscal year	42	0
Two years before latest fiscal year	60	42
Three years before latest fiscal year	30	92
Four years before latest fiscal year	74	0
Prior	44	96
Revolving Loans Amortized Cost Basis	21	23
Revolving Loans Converted to Term	0	0
Financing receivable	361	253
Doubtful/Loss
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
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Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
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Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | Construction
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
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Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | Agriculture production
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
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Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | Leases
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Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | CRE non-owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | CRE owner occupied | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | Multifamily | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | Farmland | Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | SFR 1-4 1st DT liens | Consumer
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Current fiscal year	0	0
Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | SFR HELOCs and junior liens | Consumer
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Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Financing receivable	0	0
Doubtful/Loss | Other | Consumer
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Fiscal year before latest fiscal year	0	0
Two years before latest fiscal year	0	0
Three years before latest fiscal year	0	0
Four years before latest fiscal year	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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