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Allowance for Credit Losses - Analysis of Past Due and Nonaccrual Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Loans	$ 6,768,523	$ 6,794,470
Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	4,577,632	4,394,802
Consumer
Financing Receivable, Past Due [Line Items]
Loans	1,281,059	1,313,268
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans	471,271	586,455
Construction
Financing Receivable, Past Due [Line Items]
Loans	279,933	347,198
Agriculture production
Financing Receivable, Past Due [Line Items]
Loans	151,822	144,497
Leases
Financing Receivable, Past Due [Line Items]
Loans	6,806	8,250
CRE non-owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	2,323,036	2,217,806
CRE owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	961,415	956,440
Multifamily | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	1,028,035	949,502
Farmland | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	265,146	271,054
SFR 1-4 1st DT liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	859,660	883,438
SFR HELOCs and junior liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	363,420	356,813
Other | Consumer
Financing Receivable, Past Due [Line Items]
Loans	57,979	73,017
Financial asset originated
Financing Receivable, Past Due [Line Items]
Loans	6,768,523	6,794,470
Financial asset originated | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	4,577,632	4,394,802
Financial asset originated | Consumer
Financing Receivable, Past Due [Line Items]
Loans	1,281,059	1,313,268
Financial asset originated | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans	471,271	586,455
Financial asset originated | Construction
Financing Receivable, Past Due [Line Items]
Loans	279,933	347,198
Financial asset originated | Agriculture production
Financing Receivable, Past Due [Line Items]
Loans	151,822	144,497
Financial asset originated | Leases
Financing Receivable, Past Due [Line Items]
Loans	6,806	8,250
Financial asset originated | CRE non-owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	2,323,036	2,217,806
Financial asset originated | CRE owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	961,415	956,440
Financial asset originated | Multifamily | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	1,028,035	949,502
Financial asset originated | Farmland | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	265,146	271,054
Financial asset originated | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	859,660	883,438
Financial asset originated | SFR HELOCs and junior liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	363,420	356,813
Financial asset originated | Other | Consumer
Financing Receivable, Past Due [Line Items]
Loans	57,979	73,017
Total Past Due Loans | Financial asset originated
Financing Receivable, Past Due [Line Items]
Loans	32,711	19,415
Total Past Due Loans | Financial asset originated | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	18,066	12,024
Total Past Due Loans | Financial asset originated | Consumer
Financing Receivable, Past Due [Line Items]
Loans	3,875	2,937
Total Past Due Loans | Financial asset originated | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans	10,102	2,503
Total Past Due Loans | Financial asset originated | Construction
Financing Receivable, Past Due [Line Items]
Loans	0	0
Total Past Due Loans | Financial asset originated | Agriculture production
Financing Receivable, Past Due [Line Items]
Loans	668	1,504
Total Past Due Loans | Financial asset originated | Leases
Financing Receivable, Past Due [Line Items]
Loans	0	447
Total Past Due Loans | Financial asset originated | CRE non-owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	2,673	5,258
Total Past Due Loans | Financial asset originated | CRE owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	5,329	281
Total Past Due Loans | Financial asset originated | Multifamily | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	1,120	0
Total Past Due Loans | Financial asset originated | Farmland | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	8,944	6,485
Total Past Due Loans | Financial asset originated | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	1,562	2,080
Total Past Due Loans | Financial asset originated | SFR HELOCs and junior liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	2,131	639
Total Past Due Loans | Financial asset originated | Other | Consumer
Financing Receivable, Past Due [Line Items]
Loans	182	218
30-59 days | Financial asset originated
Financing Receivable, Past Due [Line Items]
Loans	6,477	6,134
30-59 days | Financial asset originated | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	5,652	4,545
30-59 days | Financial asset originated | Consumer
Financing Receivable, Past Due [Line Items]
Loans	251	305
30-59 days | Financial asset originated | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans	537	244
30-59 days | Financial asset originated | Construction
Financing Receivable, Past Due [Line Items]
Loans	0	0
30-59 days | Financial asset originated | Agriculture production
Financing Receivable, Past Due [Line Items]
Loans	37	593
30-59 days | Financial asset originated | Leases
Financing Receivable, Past Due [Line Items]
Loans	0	447
30-59 days | Financial asset originated | CRE non-owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	221	3,876
30-59 days | Financial asset originated | CRE owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	1,625	34
30-59 days | Financial asset originated | Multifamily | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	1,120	0
30-59 days | Financial asset originated | Farmland | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	2,686	635
30-59 days | Financial asset originated | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	0	141
30-59 days | Financial asset originated | SFR HELOCs and junior liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	201	16
30-59 days | Financial asset originated | Other | Consumer
Financing Receivable, Past Due [Line Items]
Loans	50	148
60-89 days | Financial asset originated
Financing Receivable, Past Due [Line Items]
Loans	1,681	6,770
60-89 days | Financial asset originated | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	198	3,798
60-89 days | Financial asset originated | Consumer
Financing Receivable, Past Due [Line Items]
Loans	858	1,489
60-89 days | Financial asset originated | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans	308	605
60-89 days | Financial asset originated | Construction
Financing Receivable, Past Due [Line Items]
Loans	0	0
60-89 days | Financial asset originated | Agriculture production
Financing Receivable, Past Due [Line Items]
Loans	317	878
60-89 days | Financial asset originated | Leases
Financing Receivable, Past Due [Line Items]
Loans	0	0
60-89 days | Financial asset originated | CRE non-owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	0	0
60-89 days | Financial asset originated | CRE owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	85	0
60-89 days | Financial asset originated | Multifamily | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	0	0
60-89 days | Financial asset originated | Farmland | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	113	3,798
60-89 days | Financial asset originated | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	6	1,449
60-89 days | Financial asset originated | SFR HELOCs and junior liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	852	0
60-89 days | Financial asset originated | Other | Consumer
Financing Receivable, Past Due [Line Items]
Loans	0	40
> 90 days | Financial asset originated
Financing Receivable, Past Due [Line Items]
Loans	24,553	6,511
> 90 days | Financial asset originated | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	12,216	3,681
> 90 days | Financial asset originated | Consumer
Financing Receivable, Past Due [Line Items]
Loans	2,766	1,143
> 90 days | Financial asset originated | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans	9,257	1,654
> 90 days | Financial asset originated | Construction
Financing Receivable, Past Due [Line Items]
Loans	0	0
> 90 days | Financial asset originated | Agriculture production
Financing Receivable, Past Due [Line Items]
Loans	314	33
> 90 days | Financial asset originated | Leases
Financing Receivable, Past Due [Line Items]
Loans	0	0
> 90 days | Financial asset originated | CRE non-owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	2,452	1,382
> 90 days | Financial asset originated | CRE owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	3,619	247
> 90 days | Financial asset originated | Multifamily | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	0	0
> 90 days | Financial asset originated | Farmland | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	6,145	2,052
> 90 days | Financial asset originated | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	1,556	490
> 90 days | Financial asset originated | SFR HELOCs and junior liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	1,078	623
> 90 days | Financial asset originated | Other | Consumer
Financing Receivable, Past Due [Line Items]
Loans	132	30
Current | Financial asset originated
Financing Receivable, Past Due [Line Items]
Loans	6,735,812	6,775,055
Current | Financial asset originated | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	4,559,566	4,382,778
Current | Financial asset originated | Consumer
Financing Receivable, Past Due [Line Items]
Loans	1,277,184	1,310,331
Current | Financial asset originated | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans	461,169	583,952
Current | Financial asset originated | Construction
Financing Receivable, Past Due [Line Items]
Loans	279,933	347,198
Current | Financial asset originated | Agriculture production
Financing Receivable, Past Due [Line Items]
Loans	151,154	142,993
Current | Financial asset originated | Leases
Financing Receivable, Past Due [Line Items]
Loans	6,806	7,803
Current | Financial asset originated | CRE non-owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	2,320,363	2,212,548
Current | Financial asset originated | CRE owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	956,086	956,159
Current | Financial asset originated | Multifamily | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	1,026,915	949,502
Current | Financial asset originated | Farmland | Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	256,202	264,569
Current | Financial asset originated | SFR 1-4 1st DT liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	858,098	881,358
Current | Financial asset originated | SFR HELOCs and junior liens | Consumer
Financing Receivable, Past Due [Line Items]
Loans	361,289	356,174
Current | Financial asset originated | Other | Consumer
Financing Receivable, Past Due [Line Items]
Loans	$ 57,797	$ 72,799

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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-Publisher FASB
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- Definition

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
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