Loans and Allowance For Credit Losses - Summary of Investment in Loans by Credit Quality Indicators (Detail) $ in Thousands	Jun. 30, 2023 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	$ 46,325
2022	388,369
2021	336,548
Prior	466,311
Revolving	346,078
Total	1,583,631
Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	29,638
2022	171,369
2021	71,412
Prior	98,306
Revolving	251,545
Total	622,270
Real estate - other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	14,163
2022	202,213
2021	220,937
Prior	327,391
Revolving	91,640
Total	856,344
Real Estate Construction And Land [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	2,514
2022	12,309
2021	44,095
Prior	1,677
Revolving	0
Total	60,595
SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2022	770
2021	104
Prior	3,932
Revolving	130
Total	4,936
Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	10
2022	1,708
2021	0
Prior	35,005
Revolving	2,763
Total	39,486
Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	44,730
2022	345,545
2021	322,200
Prior	446,973
Revolving	312,002
Total	1,471,450
Pass [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	28,740
2022	131,962
2021	65,634
Prior	94,341
Revolving	217,469
Total	538,146
Pass [Member] | Real estate - other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	13,466
2022	198,796
2021	212,367
Prior	314,639
Revolving	91,640
Total	830,908
Pass [Member] | Real Estate Construction And Land [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	2,514
2022	12,309
2021	44,095
Prior	0
Total	58,918
Pass [Member] | SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2022	770
2021	104
Prior	2,988
Revolving	130
Total	3,992
Pass [Member] | Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	10
2022	1,708
Prior	35,005
Revolving	2,763
Total	39,486
Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,595
2022	42,824
2021	14,348
Prior	13,027
Revolving	34,076
Total	105,870
Special Mention [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	898
2022	39,407
2021	5,778
Prior	3,217
Revolving	34,076
Total	83,376
Special Mention [Member] | Real estate - other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	697
2022	3,417
2021	8,570
Prior	7,986
Total	20,670
Special Mention [Member] | Real Estate Construction And Land [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	1,677
Total	1,677
Special Mention [Member] | SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	147
Total	147
Special Mention [Member] | Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
Total	0
Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	6,311
Revolving	0
Total	6,311
Substandard [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	748
Revolving	0
Total	748
Substandard [Member] | Real estate - other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	4,766
Total	4,766
Substandard [Member] | Real Estate Construction And Land [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	0
Total	0
Substandard [Member] | SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	797
Total	797
Current period gross charge-offs [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Revolving	247
Total	247
Current period gross charge-offs [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Revolving	247
Total	$ 247