XML 82 R64.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 4 - Loans and Allowance for Credit Losses - Loans - Risk Category of Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Current fiscal year |  | $ 457,362 | $ 381,541 |
Fiscal year before current |  | 216,657 | 1,060,902 |
Two fiscal year before current |  | 957,252 | 477,117 |
Three fiscal year before current |  | 453,615 | 328,626 |
Four fiscal year before current |  | 331,196 | 195,307 |
Five fiscal year before current |  | 535,154 | 483,465 |
Revolving |  | 101,994 | 104,903 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 3,053,230 | 3,031,861 |
YTD gross charge-offs |  | 86 | 0 |
YTD gross write-offs, year two |  | 164 | 2,157 |
YTD gross write-offs, year three |  | 1,155 | 273 |
YTD gross write-offs, year four |  | 191 | 562 |
YTD gross write-offs, yera five |  | 2,070 | 0 |
YTD gross write-offs, prior |  | 417 | 202 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 4,083 | 3,194 | $ 256
Pass [Member] |  |  |  |
Current fiscal year |  | 457,297 | 381,240 |
Fiscal year before current |  | 207,875 | 1,060,016 |
Two fiscal year before current |  | 954,068 | 463,705 |
Three fiscal year before current |  | 403,505 | 310,814 |
Four fiscal year before current |  | 270,307 | 184,656 |
Five fiscal year before current |  | 505,688 | 436,412 |
Revolving |  | 100,020 | 101,077 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 2,898,760 | 2,937,920 |
Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 936 | 12,626 |
Three fiscal year before current |  | 10,251 | 0 |
Four fiscal year before current |  | 47,082 | 7,719 |
Five fiscal year before current |  | 7,060 | 9,760 |
Revolving |  | 0 | 2,737 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 65,329 | 32,842 |
Substandard [Member] |  |  |  |
Current fiscal year |  | 65 | 301 |
Fiscal year before current |  | 8,782 | 886 |
Two fiscal year before current |  | 2,248 | 786 |
Three fiscal year before current |  | 39,859 | 17,812 |
Four fiscal year before current |  | 13,807 | 2,932 |
Five fiscal year before current |  | 22,406 | 37,293 |
Revolving |  | 1,974 | 1,089 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 89,141 | 61,099 |
Doubtful [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 0 |
Construction And Land Development Loans [Member] |  |  |  |
Current fiscal year |  | 62,541 | 127,602 |
Fiscal year before current |  | 17,727 | 25,880 |
Two fiscal year before current |  | 0 | 23,844 |
Three fiscal year before current |  | 38,101 | 3,919 |
Four fiscal year before current |  | 54,856 | 192 |
Five fiscal year before current |  | 65 | 32 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 173,290 | 181,469 |
YTD gross charge-offs |  | 0 |  |
YTD gross write-offs, year two |  | 0 | 0 |
YTD gross write-offs, year three |  | 1,148 | 0 |
YTD gross write-offs, year four |  | 0 | 0 |
YTD gross write-offs, yera five |  | 0 | 0 |
YTD gross write-offs, prior |  | 0 | 140 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 1,148 | 140 | (0)
Construction And Land Development Loans [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 62,541 | 127,602 |
Fiscal year before current |  | 8,945 | 25,880 |
Two fiscal year before current |  | 0 | 12,168 |
Three fiscal year before current |  | 0 | 3,919 |
Four fiscal year before current |  | 1,370 | 192 |
Five fiscal year before current |  | 65 | 32 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 72,921 | 169,793 |
Construction And Land Development Loans [Member] | Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 11,676 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 44,042 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 44,042 | 11,676 |
Construction And Land Development Loans [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 8,782 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 38,101 | 0 |
Four fiscal year before current |  | 9,444 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 56,327 | 0 |
Construction And Land Development Loans [Member] | Doubtful [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 0 |
Commercial and Industrial [Member] |  |  |  |
Current fiscal year |  | 7,304 | 1,305 |
Fiscal year before current |  | 1,126 | 3,370 |
Two fiscal year before current |  | 2,663 | 6,281 |
Three fiscal year before current |  | 3,991 | 4,311 |
Four fiscal year before current |  | 3,587 | 2,056 |
Five fiscal year before current |  | 10,062 | 9,652 |
Revolving |  | 100,852 | 103,121 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 129,585 | 130,096 |
YTD gross charge-offs |  | 8 | 0 |
YTD gross write-offs, year two |  | 0 | 0 |
YTD gross write-offs, year three |  | 3 | 0 |
YTD gross write-offs, year four |  | 0 | 0 |
YTD gross write-offs, yera five |  | 0 | 0 |
YTD gross write-offs, prior |  | 0 | 0 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 11 | (0) | 5
Commercial and Industrial [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 7,304 | 1,305 |
Fiscal year before current |  | 1,126 | 3,283 |
Two fiscal year before current |  | 2,593 | 6,281 |
Three fiscal year before current |  | 3,991 | 2,901 |
Four fiscal year before current |  | 2,270 | 2,049 |
Five fiscal year before current |  | 5,242 | 4,700 |
Revolving |  | 98,878 | 99,339 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 121,404 | 119,858 |
Commercial and Industrial [Member] | Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 2,737 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 2,737 |
Commercial and Industrial [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 87 |
Two fiscal year before current |  | 70 | 0 |
Three fiscal year before current |  | 0 | 1,410 |
Four fiscal year before current |  | 1,317 | 7 |
Five fiscal year before current |  | 4,820 | 4,952 |
Revolving |  | 1,974 | 1,045 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 8,181 | 7,501 |
Commercial and Industrial [Member] | Doubtful [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Current fiscal year |  | 220,623 | 90,427 |
Fiscal year before current |  | 58,597 | 423,564 |
Two fiscal year before current |  | 390,514 | 186,904 |
Three fiscal year before current |  | 168,439 | 187,060 |
Four fiscal year before current |  | 161,708 | 104,810 |
Five fiscal year before current |  | 201,539 | 175,092 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross | [1] | 1,201,420 | 1,167,857 |
YTD gross charge-offs |  | 0 | 0 |
YTD gross write-offs, year two |  | 164 | 2,078 |
YTD gross write-offs, year three |  | 0 | 0 |
YTD gross write-offs, year four |  | 0 | 459 |
YTD gross write-offs, yera five |  | 2,064 | 0 |
YTD gross write-offs, prior |  | 417 | 0 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 2,645 | 2,537 | (0)
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 220,623 | 90,126 |
Fiscal year before current |  | 58,597 | 423,564 |
Two fiscal year before current |  | 389,578 | 186,904 |
Three fiscal year before current |  | 158,188 | 175,650 |
Four fiscal year before current |  | 157,480 | 94,796 |
Five fiscal year before current |  | 186,619 | 152,847 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 1,171,085 | 1,123,887 |
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 936 | 0 |
Three fiscal year before current |  | 10,251 | 0 |
Four fiscal year before current |  | 3,040 | 7,719 |
Five fiscal year before current |  | 7,060 | 4,880 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 21,287 | 12,599 |
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 0 | 301 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 11,410 |
Four fiscal year before current |  | 1,188 | 2,295 |
Five fiscal year before current |  | 7,860 | 17,365 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 9,048 | 31,371 |
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 0 |
Single Family Residential Mortgages Loans [Member] |  |  |  |
Current fiscal year |  | 159,940 | 156,372 |
Fiscal year before current |  | 137,264 | 594,258 |
Two fiscal year before current |  | 551,703 | 240,879 |
Three fiscal year before current |  | 227,278 | 130,331 |
Four fiscal year before current |  | 110,399 | 83,547 |
Five fiscal year before current |  | 306,312 | 280,645 |
Revolving |  | 1,126 | 1,764 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 1,494,022 | 1,487,796 |
YTD gross charge-offs |  | 0 | 0 |
YTD gross write-offs, year two |  | 0 | 0 |
YTD gross write-offs, year three |  | 0 | 0 |
YTD gross write-offs, year four |  | 0 | 93 |
YTD gross write-offs, yera five |  | 0 | 0 |
YTD gross write-offs, prior |  | 0 | 0 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | (0) | 93 | (0)
Single Family Residential Mortgages Loans [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 159,940 | 156,372 |
Fiscal year before current |  | 137,264 | 593,539 |
Two fiscal year before current |  | 549,525 | 239,502 |
Three fiscal year before current |  | 225,877 | 125,346 |
Four fiscal year before current |  | 108,541 | 83,002 |
Five fiscal year before current |  | 299,553 | 265,050 |
Revolving |  | 1,126 | 1,720 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 1,481,826 | 1,464,531 |
Single Family Residential Mortgages Loans [Member] | Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 619 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 3,855 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 4,474 |
Single Family Residential Mortgages Loans [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 719 |
Two fiscal year before current |  | 2,178 | 758 |
Three fiscal year before current |  | 1,401 | 4,985 |
Four fiscal year before current |  | 1,858 | 545 |
Five fiscal year before current |  | 6,759 | 11,740 |
Revolving |  | 0 | 44 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 12,196 | 18,791 |
Single Family Residential Mortgages Loans [Member] | Doubtful [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 0 |
SBA Loans [Member] |  |  |  |
Current fiscal year |  | 6,954 | 5,642 |
Fiscal year before current |  | 1,813 | 11,023 |
Two fiscal year before current |  | 10,855 | 10,368 |
Three fiscal year before current |  | 10,065 | 2,324 |
Four fiscal year before current |  | 400 | 4,673 |
Five fiscal year before current |  | 17,176 | 18,044 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 47,263 | 52,074 |
YTD gross charge-offs |  | 78 | 0 |
YTD gross write-offs, year two |  | 0 | 0 |
YTD gross write-offs, year three |  | 0 | 0 |
YTD gross write-offs, year four |  | 0 | 0 |
YTD gross write-offs, yera five |  | 0 | 0 |
YTD gross write-offs, prior |  | 0 | 62 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 78 | 62 | 14
SBA Loans [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 6,889 | 5,642 |
Fiscal year before current |  | 1,813 | 11,023 |
Two fiscal year before current |  | 10,855 | 10,037 |
Three fiscal year before current |  | 9,731 | 2,324 |
Four fiscal year before current |  | 400 | 4,588 |
Five fiscal year before current |  | 14,209 | 13,783 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 43,897 | 47,397 |
SBA Loans [Member] | Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 331 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 1,025 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 1,356 |
SBA Loans [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 65 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 334 | 0 |
Four fiscal year before current |  | 0 | 85 |
Five fiscal year before current |  | 2,967 | 3,236 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 3,366 | 3,321 |
SBA Loans [Member] | Doubtful [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 0 |
Other Loans [Member] |  |  |  |
Current fiscal year |  | 0 | 193 |
Fiscal year before current |  | 130 | 2,807 |
Two fiscal year before current |  | 1,517 | 8,841 |
Three fiscal year before current |  | 5,741 | 681 |
Four fiscal year before current |  | 246 | 29 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 16 | 18 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 7,650 | 12,569 |
YTD gross charge-offs |  | 0 | 0 |
YTD gross write-offs, year two |  | 0 | 79 |
YTD gross write-offs, year three |  | 4 | 273 |
YTD gross write-offs, year four |  | 191 | 10 |
YTD gross write-offs, yera five |  | 6 | 0 |
YTD gross write-offs, prior |  | 0 | 0 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 201 | 362 | $ 237
Other Loans [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 0 | 193 |
Fiscal year before current |  | 130 | 2,727 |
Two fiscal year before current |  | 1,517 | 8,813 |
Three fiscal year before current |  | 5,718 | 674 |
Four fiscal year before current |  | 246 | 29 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 16 | 18 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 7,627 | 12,454 |
Other Loans [Member] | Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 0 |
Other Loans [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 80 |
Two fiscal year before current |  | 0 | 28 |
Three fiscal year before current |  | 23 | 7 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 23 | 115 |
Other Loans [Member] | Doubtful [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | $ 0 | $ 0 |
[1] | Includes non-farm and non-residential real estate loans, multifamily residential and single-family residential loans for a business purpose

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 2: 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 3: 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 4: 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_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost 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 + Details
Name: | us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost 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 + Details
Name: | us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost 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 + Details
Name: | us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost 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 + Details
Name: | us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount 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/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 + Details
Name: | us-gaap_FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost 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 + Details
Name: | us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost 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 + Details
Name: | us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost 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 + Details
Name: | us-gaap_FinancingReceivableRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of revolving financing receivable converted to term loan. + 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 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of writeoff of revolving financing receivable converted to term loan. + 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 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoanWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff 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 + Details
Name: | us-gaap_FinancingReceivableRevolvingWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount 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/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 + Details
Name: | us-gaap_FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount 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/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 + Details
Name: | us-gaap_FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of writeoff 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 + Details
Name: | us-gaap_FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount 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/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 + Details
Name: | us-gaap_FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount 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/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 + Details
Name: | us-gaap_FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-13 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A Reference 3: 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 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (1) -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph a -Publisher SEC Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 Reference 8: 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 9: 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 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -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 12: 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_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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