XML 49 R37.htm IDEA: XBRL DOCUMENT
v3.25.1

Loans and Asset Quality - Schedule of Loans by Risk Rating (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | $ 96,068 |  | $ 421,855
Current period, year two | 422,156 |  | 318,025
Current period, year three | 309,021 |  | 428,770
Current period, year four | 412,775 |  | 371,975
Current period, year five | 352,802 |  | 166,712
Current period, prior years | 342,710 |  | 205,633
Current period, revolving lines | 179,210 |  | 162,043
Total | 2,114,742 |  | 2,075,013
Gross charge-offs, year one | 0 |  | 13
Gross charge-offs, year two | 5 |  | 27
Gross charge-offs, year three | 251 |  | 37
Gross charge-offs, year four | 48 |  | 1
Gross charge-offs, year five | 5 |  | 0
Gross charge-offs, prior years | 0 |  | 312
Gross charge-offs, revolving lines | 78 |  | 413
Gross charge-offs, Total | 387 | $ 131 | 803
Real estate | Commercial real estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 31,867 |  | 145,285
Current period, year two | 149,156 |  | 108,009
Current period, year three | 107,881 |  | 244,362
Current period, year four | 239,196 |  | 209,279
Current period, year five | 202,548 |  | 68,371
Current period, prior years | 136,735 |  | 86,604
Current period, revolving lines | 24,822 |  | 22,731
Total | 892,205 |  | 884,641
Gross charge-offs, Total | 0 | 0 |
Real estate | Commercial real estate | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 31,867 |  | 141,677
Current period, year two | 145,755 |  | 107,788
Current period, year three | 107,665 |  | 242,693
Current period, year four | 237,741 |  | 208,595
Current period, year five | 201,864 |  | 68,371
Current period, prior years | 135,289 |  | 85,212
Current period, revolving lines | 24,822 |  | 22,731
Total | 885,003 |  | 877,067
Real estate | Commercial real estate | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 2,883
Current period, year two | 2,688 |  | 221
Current period, year three | 216 |  | 1,475
Current period, year four | 1,455 |  | 0
Current period, year five | 0 |  | 0
Current period, prior years | 684 |  | 658
Current period, revolving lines | 0 |  | 0
Total | 5,043 |  | 5,237
Real estate | Commercial real estate | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 725
Current period, year two | 713 |  | 0
Current period, year three | 0 |  | 194
Current period, year four | 0 |  | 684
Current period, year five | 684 |  | 0
Current period, prior years | 762 |  | 734
Current period, revolving lines | 0 |  | 0
Total | 2,159 |  | 2,337
Real estate | One-to-four family residential |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 22,606 |  | 92,746
Current period, year two | 94,609 |  | 104,638
Current period, year three | 100,203 |  | 118,119
Current period, year four | 113,138 |  | 112,570
Current period, year five | 106,910 |  | 78,902
Current period, prior years | 159,367 |  | 87,472
Current period, revolving lines | 20,846 |  | 20,104
Total | 617,679 |  | 614,551
Gross charge-offs, Total | 22 | 0 |
Real estate | One-to-four family residential | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 22,569 |  | 92,621
Current period, year two | 94,305 |  | 104,575
Current period, year three | 100,019 |  | 117,750
Current period, year four | 110,405 |  | 111,730
Current period, year five | 106,117 |  | 78,869
Current period, prior years | 158,334 |  | 86,432
Current period, revolving lines | 20,095 |  | 19,294
Total | 611,844 |  | 611,271
Real estate | One-to-four family residential | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 125
Current period, year two | 121 |  | 0
Current period, year three | 0 |  | 0
Current period, year four | 2,435 |  | 798
Current period, year five | 793 |  | 0
Current period, prior years | 254 |  | 255
Current period, revolving lines | 0 |  | 0
Total | 3,603 |  | 1,178
Real estate | One-to-four family residential | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 37 |  | 0
Current period, year two | 183 |  | 63
Current period, year three | 184 |  | 369
Current period, year four | 298 |  | 42
Current period, year five | 0 |  | 33
Current period, prior years | 779 |  | 785
Current period, revolving lines | 751 |  | 810
Total | 2,232 |  | 2,102
Real estate | Construction and development |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 11,388 |  | 79,431
Current period, year two | 89,114 |  | 52,915
Current period, year three | 54,348 |  | 15,031
Current period, year four | 13,441 |  | 3,629
Current period, year five | 3,278 |  | 672
Current period, prior years | 2,155 |  | 1,752
Current period, revolving lines | 1,851 |  | 1,799
Total | 175,575 |  | 155,229
Gross charge-offs, Total | 250 | 0 |
Real estate | Construction and development | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 11,388 |  | 79,431
Current period, year two | 89,114 |  | 51,997
Current period, year three | 53,649 |  | 15,031
Current period, year four | 13,441 |  | 3,629
Current period, year five | 3,278 |  | 672
Current period, prior years | 1,928 |  | 1,514
Current period, revolving lines | 1,851 |  | 1,799
Total | 174,649 |  | 154,073
Real estate | Construction and development | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 0
Current period, year two | 0 |  | 0
Current period, year three | 0 |  | 0
Current period, year four | 0 |  | 0
Current period, year five | 0 |  | 0
Current period, prior years | 0 |  | 0
Current period, revolving lines | 0 |  | 0
Total | 0 |  | 0
Real estate | Construction and development | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 0
Current period, year two | 0 |  | 918
Current period, year three | 699 |  | 0
Current period, year four | 0 |  | 0
Current period, year five | 0 |  | 0
Current period, prior years | 227 |  | 238
Current period, revolving lines | 0 |  | 0
Total | 926 |  | 1,156
Commercial and industrial |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 24,796 |  | 86,245
Current period, year two | 76,016 |  | 43,244
Current period, year three | 38,335 |  | 33,273
Current period, year four | 30,133 |  | 39,002
Current period, year five | 33,157 |  | 7,621
Current period, prior years | 7,631 |  | 1,434
Current period, revolving lines | 129,047 |  | 116,267
Total | 339,115 |  | 327,086
Gross charge-offs, Total | 39 | 51 |
Commercial and industrial | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 24,721 |  | 85,573
Current period, year two | 75,386 |  | 43,242
Current period, year three | 38,333 |  | 32,024
Current period, year four | 28,968 |  | 38,991
Current period, year five | 33,148 |  | 7,619
Current period, prior years | 7,631 |  | 1,356
Current period, revolving lines | 128,475 |  | 115,704
Total | 336,662 |  | 324,509
Commercial and industrial | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 646
Current period, year two | 605 |  | 0
Current period, year three | 0 |  | 1,191
Current period, year four | 1,144 |  | 0
Current period, year five | 0 |  | 0
Current period, prior years | 0 |  | 0
Current period, revolving lines | 95 |  | 78
Total | 1,844 |  | 1,915
Commercial and industrial | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 75 |  | 26
Current period, year two | 25 |  | 2
Current period, year three | 2 |  | 58
Current period, year four | 21 |  | 11
Current period, year five | 9 |  | 2
Current period, prior years | 0 |  | 78
Current period, revolving lines | 477 |  | 485
Total | 609 |  | 662
Tax-exempt |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 2,510
Current period, year two | 2,504 |  | 1,893
Current period, year three | 2,295 |  | 14,976
Current period, year four | 14,305 |  | 6,626
Current period, year five | 6,170 |  | 10,811
Current period, prior years | 36,448 |  | 28,114
Current period, revolving lines | 0 |  | 0
Total | 61,722 |  | 64,930
Gross charge-offs, Total | 0 | 0 |
Tax-exempt | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 2,510
Current period, year two | 2,504 |  | 1,893
Current period, year three | 2,295 |  | 14,976
Current period, year four | 14,305 |  | 6,626
Current period, year five | 6,170 |  | 10,811
Current period, prior years | 36,448 |  | 28,114
Current period, revolving lines | 0 |  | 0
Total | 61,722 |  | 64,930
Tax-exempt | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 0
Current period, year two | 0 |  | 0
Current period, year three | 0 |  | 0
Current period, year four | 0 |  | 0
Current period, year five | 0 |  | 0
Current period, prior years | 0 |  | 0
Current period, revolving lines | 0 |  | 0
Total | 0 |  | 0
Tax-exempt | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 0
Current period, year two | 0 |  | 0
Current period, year three | 0 |  | 0
Current period, year four | 0 |  | 0
Current period, year five | 0 |  | 0
Current period, prior years | 0 |  | 0
Current period, revolving lines | 0 |  | 0
Total | 0 |  | 0
Consumer |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 5,411 |  | 15,638
Current period, year two | 10,757 |  | 7,326
Current period, year three | 5,959 |  | 3,009
Current period, year four | 2,562 |  | 869
Current period, year five | 739 |  | 335
Current period, prior years | 374 |  | 257
Current period, revolving lines | 2,644 |  | 1,142
Total | 28,446 |  | 28,576
Gross charge-offs, Total | 76 | $ 80 |
Consumer | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 5,411 |  | 15,638
Current period, year two | 10,757 |  | 7,316
Current period, year three | 5,950 |  | 3,009
Current period, year four | 2,562 |  | 869
Current period, year five | 739 |  | 335
Current period, prior years | 304 |  | 183
Current period, revolving lines | 2,638 |  | 1,135
Total | 28,361 |  | 28,485
Consumer | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 0
Current period, year two | 0 |  | 0
Current period, year three | 0 |  | 0
Current period, year four | 0 |  | 0
Current period, year five | 0 |  | 0
Current period, prior years | 0 |  | 0
Current period, revolving lines | 0 |  | 0
Total | 0 |  | 0
Consumer | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current period, year one | 0 |  | 0
Current period, year two | 0 |  | 10
Current period, year three | 9 |  | 0
Current period, year four | 0 |  | 0
Current period, year five | 0 |  | 0
Current period, prior years | 70 |  | 74
Current period, revolving lines | 6 |  | 7
Total | $ 85 |  | $ 91

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rrbi_RealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rrbi_ConstructionAndDevelopmentEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rrbi_CommercialAndIndustrialSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rrbi_TaxExemptPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |