XML 62 R50.htm IDEA: XBRL DOCUMENT
v3.25.3

Loans and Leases and Allowance for Credit Losses (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Major categories of loans and leases |  |  |  |  |  |
Total loans and leases | $ 4,222,369 |  | $ 3,906,340 |  |  |
Less: Allowance for credit losses | (39,074) | $ (39,776) | (37,423) | $ (35,609) | $ (34,690) | $ (35,066)
Loans and leases, net | 4,183,295 |  | 3,868,917 |  |  |
Commercial Real Estate | Non-owner occupied |  |  |  |  |  |
Major categories of loans and leases |  |  |  |  |  |
Total loans and leases | 1,136,080 |  | 1,080,404 |  |  |
Less: Allowance for credit losses | (7,241) | (7,254) | (6,972) | (7,017) | (7,018) | (6,846)
Commercial Real Estate | Owner occupied |  |  |  |  |  |
Major categories of loans and leases |  |  |  |  |  |
Total loans and leases | 1,012,088 |  | 867,678 |  |  |
Less: Allowance for credit losses | (8,879) | (8,862) | (8,341) | (8,557) | (8,612) | (8,418)
Consumer Real Estate |  |  |  |  |  |
Major categories of loans and leases |  |  |  |  |  |
Total loans and leases | 811,150 |  | 741,836 |  |  |
Less: Allowance for credit losses | (8,629) | (8,887) | (8,355) | (7,529) | (7,543) | (7,249)
Construction and Land Development |  |  |  |  |  |
Major categories of loans and leases |  |  |  |  |  |
Total loans and leases | 390,691 |  | 361,735 |  |  |
Less: Allowance for credit losses | (4,092) | (4,450) | (4,168) | (3,718) | (3,496) | (4,874)
Commercial and Industrial |  |  |  |  |  |
Major categories of loans and leases |  |  |  |  |  |
Total loans and leases | 794,751 |  | 775,620 |  |  |
Less: Allowance for credit losses | (8,750) | (9,330) | (8,552) | (7,629) | (7,234) | (6,924)
Leases |  |  |  |  |  |
Major categories of loans and leases |  |  |  |  |  |
Total loans and leases | 60,301 |  | 64,878 |  |  |
Less: Allowance for credit losses | (1,327) | (868) | (919) | (1,045) | (670) | (640)
Consumer and Other |  |  |  |  |  |
Major categories of loans and leases |  |  |  |  |  |
Total loans and leases | 17,308 |  | 14,189 |  |  |
Less: Allowance for credit losses | $ (156) | $ (125) | $ (116) | $ (114) | $ (117) | $ (115)

X
- Definition Amount excluding accrued interest, of allowance for credit loss on 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 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, after 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_FinanceLeasesPortfolioSegmentMember
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: |