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Description of the Business and Summary of Significant Accounting Policies - Impact of Adoption of CECL (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
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Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | $ 50,585 | $ 50,701 | $ 48,646 | $ 47,996 | $ 46,491 | $ 44,711 | $ 40,020
Allowance for Credit Losses on Off-balance Sheet Credit Exposures | 3,235 | 3,835 | 5,210 | 360 |  |  |
Commercial |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | 5,496 | 5,439 | 5,343 | 6,500 | 6,348 | 6,275 | 6,256
Paycheck Protection Program (PPP), CARES Act |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  |  | 1 | 1 | 2 | 13
Construction and Land Development |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | 2,772 | 3,476 | 2,841 | 3,911 | 3,771 | 4,134 | 3,139
1-4 Family Construction |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | 574 | 654 | 610 | 845 | 698 | 638 | 618
1-4 Family Mortgage |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | 2,860 | 2,836 | 2,547 | 4,325 | 4,230 | 4,206 | 3,757
Multifamily |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | 22,216 | 21,164 | 20,777 | 17,459 | 16,822 | 14,977 | 12,610
CRE Owner Occupied |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | 1,089 | 1,086 | 1,022 | 1,965 | 2,027 | 1,920 | 1,495
CRE Non-owner Occupied |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | 15,512 | 15,976 | 15,445 | 12,576 | 12,282 | 12,235 | 11,335
Consumer and other |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss | $ 66 | $ 70 | 61 | 151 | 163 | 154 | 147
Unallocated |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  |  | $ 263 | $ 149 | $ 170 | $ 650
Before Adoption |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 47,996 |  |  |  |
Allowance for Credit Losses on Off-balance Sheet Credit Exposures |  |  | 360 |  |  |  |
Before Adoption | Commercial |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 6,500 |  |  |  |
Before Adoption | Paycheck Protection Program (PPP), CARES Act |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 1 |  |  |  |
Before Adoption | Construction and Land Development |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 3,911 |  |  |  |
Before Adoption | 1-4 Family Construction |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 845 |  |  |  |
Before Adoption | 1-4 Family Mortgage |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 4,325 |  |  |  |
Before Adoption | Multifamily |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 17,459 |  |  |  |
Before Adoption | CRE Owner Occupied |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 1,965 |  |  |  |
Before Adoption | CRE Non-owner Occupied |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 12,576 |  |  |  |
Before Adoption | Consumer and other |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 151 |  |  |  |
Before Adoption | Unallocated |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 263 |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 650 |  |  |  |
Allowance for Credit Losses on Off-balance Sheet Credit Exposures |  |  | 4,850 |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | Commercial |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | (1,157) |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | Paycheck Protection Program (PPP), CARES Act |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | (1) |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | Construction and Land Development |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | (1,070) |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | 1-4 Family Construction |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | (235) |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | 1-4 Family Mortgage |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | (1,778) |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | Multifamily |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 3,318 |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | CRE Owner Occupied |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | (943) |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | CRE Non-owner Occupied |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | 2,869 |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | Consumer and other |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | (90) |  |  |  |
Accounting Standards Update 2016-13 | Impact of Adoption | Unallocated |  |  |  |  |  |  |
Impact of Recently Adopted Accounting Guidance |  |  |  |  |  |  |
Allowance of loan loss |  |  | $ (263) |  |  |  |

X
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