XML 82 R68.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 5 - Loans and Allowance for Credit Losses - Loans - Risk Category of Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Current fiscal year |  | $ 381,541 | $ 1,269,989 |
Fiscal year before current |  | 1,060,902 | 639,745 |
Two fiscal year before current |  | 477,117 | 467,976 |
Three fiscal year before current |  | 328,626 | 217,682 |
Four fiscal year before current |  | 195,307 | 225,463 |
Five fiscal year before current |  | 483,465 | 371,945 |
Revolving |  | 104,903 | 143,563 |
Revolving converted to term loans |  | 0 | 86 |
Loans, gross | [1] | 3,031,861 | 3,336,449 |
YTD gross write-offs |  | 0 | 0 |
YTD gross write-offs, year two |  | 2,157 | 237 |
YTD gross write-offs, year three |  | 273 | 0 |
YTD gross write-offs, year four |  | 562 | 5 |
YTD gross write-offs, yera five |  | 0 | 0 |
YTD gross write-offs, prior |  | 202 | 14 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 3,194 | 256 | $ 627
Pass [Member] |  |  |  |
Current fiscal year |  | 381,240 | 1,269,597 |
Fiscal year before current |  | 1,060,016 | 633,710 |
Two fiscal year before current |  | 463,705 | 444,480 |
Three fiscal year before current |  | 310,814 | 215,246 |
Four fiscal year before current |  | 184,656 | 211,030 |
Five fiscal year before current |  | 436,412 | 325,621 |
Revolving |  | 101,077 | 132,501 |
Revolving converted to term loans |  | 0 | 86 |
Loans, gross |  | 2,937,920 | 3,232,271 |
Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 5,987 |
Two fiscal year before current |  | 12,626 | 9,280 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 7,719 | 5,563 |
Five fiscal year before current |  | 9,760 | 17,805 |
Revolving |  | 2,737 | 3,577 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 32,842 | 42,212 |
Substandard [Member] |  |  |  |
Current fiscal year |  | 301 | 392 |
Fiscal year before current |  | 886 | 48 |
Two fiscal year before current |  | 786 | 14,216 |
Three fiscal year before current |  | 17,812 | 2,436 |
Four fiscal year before current |  | 2,932 | 8,870 |
Five fiscal year before current |  | 37,293 | 28,519 |
Revolving |  | 1,089 | 7,485 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 61,099 | 61,966 |
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 |  | 127,602 | 125,216 |
Fiscal year before current |  | 25,880 | 52,262 |
Two fiscal year before current |  | 23,844 | 99,016 |
Three fiscal year before current |  | 3,919 | 201 |
Four fiscal year before current |  | 192 | 0 |
Five fiscal year before current |  | 32 | 181 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 181,469 | 276,876 |
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 |  | 140 | 0 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 140 | (0) | (0)
Construction And Land Development Loans [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 127,602 | 125,216 |
Fiscal year before current |  | 25,880 | 52,262 |
Two fiscal year before current |  | 12,168 | 99,016 |
Three fiscal year before current |  | 3,919 | 201 |
Four fiscal year before current |  | 192 | 0 |
Five fiscal year before current |  | 32 | 40 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 169,793 | 276,735 |
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 |  | 11,676 | 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 |  | 11,676 | 0 |
Construction And Land Development Loans [Member] | Substandard [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 | 141 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 0 | 141 |
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 |  | 1,305 | 8,038 |
Fiscal year before current |  | 3,370 | 13,500 |
Two fiscal year before current |  | 6,281 | 6,048 |
Three fiscal year before current |  | 4,311 | 3,486 |
Four fiscal year before current |  | 2,056 | 2,654 |
Five fiscal year before current |  | 9,652 | 26,971 |
Revolving |  | 103,121 | 140,440 |
Revolving converted to term loans |  | 0 | 86 |
Loans, gross | [1] | 130,096 | 201,223 |
YTD gross write-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 | 5 |
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) | 5 | 501
Commercial and Industrial [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 1,305 | 8,038 |
Fiscal year before current |  | 3,283 | 7,513 |
Two fiscal year before current |  | 6,281 | 4,448 |
Three fiscal year before current |  | 2,901 | 3,470 |
Four fiscal year before current |  | 2,049 | 1,016 |
Five fiscal year before current |  | 4,700 | 8,827 |
Revolving |  | 99,339 | 129,483 |
Revolving converted to term loans |  | 0 | 86 |
Loans, gross |  | 119,858 | 162,881 |
Commercial and Industrial [Member] | Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 5,987 |
Two fiscal year before current |  | 0 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 1,638 |
Five fiscal year before current |  | 0 | 17,805 |
Revolving |  | 2,737 | 3,577 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 2,737 | 29,007 |
Commercial and Industrial [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 87 | 0 |
Two fiscal year before current |  | 0 | 1,600 |
Three fiscal year before current |  | 1,410 | 16 |
Four fiscal year before current |  | 7 | 0 |
Five fiscal year before current |  | 4,952 | 339 |
Revolving |  | 1,045 | 7,380 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 7,501 | 9,335 |
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 |  | 90,427 | 479,591 |
Fiscal year before current |  | 423,564 | 293,058 |
Two fiscal year before current |  | 186,904 | 212,983 |
Three fiscal year before current |  | 187,060 | 112,771 |
Four fiscal year before current |  | 104,810 | 73,235 |
Five fiscal year before current |  | 175,092 | 140,494 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross | [2] | 1,167,857 | 1,312,132 |
YTD gross write-offs |  | 0 | 0 |
YTD gross write-offs, year two |  | 2,078 | 0 |
YTD gross write-offs, year three |  | 0 | 0 |
YTD gross write-offs, year four |  | 459 | 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 |  | 2,537 | (0) | 67
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 90,126 | 479,304 |
Fiscal year before current |  | 423,564 | 293,058 |
Two fiscal year before current |  | 186,904 | 195,051 |
Three fiscal year before current |  | 175,650 | 110,442 |
Four fiscal year before current |  | 94,796 | 73,013 |
Five fiscal year before current |  | 152,847 | 117,068 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 1,123,887 | 1,267,936 |
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 |  | 0 | 9,280 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 7,719 | 0 |
Five fiscal year before current |  | 4,880 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 12,599 | 9,280 |
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 301 | 287 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 0 | 8,652 |
Three fiscal year before current |  | 11,410 | 2,329 |
Four fiscal year before current |  | 2,295 | 222 |
Five fiscal year before current |  | 17,365 | 23,426 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 31,371 | 34,916 |
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 |  | 156,372 | 637,893 |
Fiscal year before current |  | 594,258 | 255,529 |
Two fiscal year before current |  | 240,879 | 141,918 |
Three fiscal year before current |  | 130,331 | 96,355 |
Four fiscal year before current |  | 83,547 | 145,971 |
Five fiscal year before current |  | 280,645 | 183,345 |
Revolving |  | 1,764 | 3,097 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 1,487,796 | 1,464,108 |
YTD gross write-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 |  | 93 | 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 |  | 93 | (0) | (0)
Single Family Residential Mortgages Loans [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 156,372 | 637,893 |
Fiscal year before current |  | 593,539 | 255,529 |
Two fiscal year before current |  | 239,502 | 137,964 |
Three fiscal year before current |  | 125,346 | 96,355 |
Four fiscal year before current |  | 83,002 | 134,415 |
Five fiscal year before current |  | 265,050 | 182,893 |
Revolving |  | 1,720 | 2,992 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 1,464,531 | 1,448,041 |
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 |  | 619 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 3,925 |
Five fiscal year before current |  | 3,855 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 4,474 | 3,925 |
Single Family Residential Mortgages Loans [Member] | Substandard [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 719 | 0 |
Two fiscal year before current |  | 758 | 3,954 |
Three fiscal year before current |  | 4,985 | 0 |
Four fiscal year before current |  | 545 | 7,631 |
Five fiscal year before current |  | 11,740 | 452 |
Revolving |  | 44 | 105 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 18,791 | 12,142 |
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 |  | 5,642 | 14,922 |
Fiscal year before current |  | 11,023 | 10,664 |
Two fiscal year before current |  | 10,368 | 6,496 |
Three fiscal year before current |  | 2,324 | 4,779 |
Four fiscal year before current |  | 4,673 | 3,596 |
Five fiscal year before current |  | 18,044 | 20,954 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 52,074 | 61,411 |
YTD gross write-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 | 0 |
YTD gross write-offs, yera five |  | 0 | 0 |
YTD gross write-offs, prior |  | 62 | 14 |
YTD gross write-offs, revolving |  | 0 | 0 |
YTD gross write-offs, revolving to term |  | 0 | 0 |
YTD gross write-offs, total |  | 62 | 14 | (0)
SBA Loans [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 5,642 | 14,922 |
Fiscal year before current |  | 11,023 | 10,664 |
Two fiscal year before current |  | 10,037 | 6,496 |
Three fiscal year before current |  | 2,324 | 4,688 |
Four fiscal year before current |  | 4,588 | 2,579 |
Five fiscal year before current |  | 13,783 | 16,793 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 47,397 | 56,142 |
SBA Loans [Member] | Special Mention [Member] |  |  |  |
Current fiscal year |  | 0 | 0 |
Fiscal year before current |  | 0 | 0 |
Two fiscal year before current |  | 331 | 0 |
Three fiscal year before current |  | 0 | 0 |
Four fiscal year before current |  | 0 | 0 |
Five fiscal year before current |  | 1,025 | 0 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 1,356 | 0 |
SBA Loans [Member] | Substandard [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 | 91 |
Four fiscal year before current |  | 85 | 1,017 |
Five fiscal year before current |  | 3,236 | 4,161 |
Revolving |  | 0 | 0 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 3,321 | 5,269 |
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 |  | 193 | 4,329 |
Fiscal year before current |  | 2,807 | 14,732 |
Two fiscal year before current |  | 8,841 | 1,515 |
Three fiscal year before current |  | 681 | 90 |
Four fiscal year before current |  | 29 | 7 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 18 | 26 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 12,569 | 20,699 |
YTD gross write-offs |  | 0 | 0 |
YTD gross write-offs, year two |  | 79 | 237 |
YTD gross write-offs, year three |  | 273 | 0 |
YTD gross write-offs, year four |  | 10 | 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 |  | 362 | 237 | $ 59
Other Loans [Member] | Pass [Member] |  |  |  |
Current fiscal year |  | 193 | 4,224 |
Fiscal year before current |  | 2,727 | 14,684 |
Two fiscal year before current |  | 8,813 | 1,505 |
Three fiscal year before current |  | 674 | 90 |
Four fiscal year before current |  | 29 | 7 |
Five fiscal year before current |  | 0 | 0 |
Revolving |  | 18 | 26 |
Revolving converted to term loans |  | 0 | 0 |
Loans, gross |  | 12,454 | 20,536 |
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 | 105 |
Fiscal year before current |  | 80 | 48 |
Two fiscal year before current |  | 28 | 10 |
Three fiscal year before current |  | 7 | 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 |  | 115 | 163 |
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] | net of discounts and deferred fees and costs
[2] | includes non-farm & non-residential real estate loans, multifamily resident and 1-4 family single family residential loan for a business purpose

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + 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 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + 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/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 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/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 4: 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 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) -Publisher SEC Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) -Publisher SEC Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph (a) -Publisher SEC Reference 8: 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 9: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7A -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7A Reference 10: 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: |