XML 68 R56.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans and Leases and Allowance for Loan and Lease Losses - Impaired Loan Portfolio (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Related Allowance | $ 1,067 |  | $ 1,067 |  | $ 546
Total impaired loans, Recorded Investment | 4,990 |  | 4,990 |  | 7,451
Total impaired loans, Unpaid Principal Balance | 5,093 |  | 5,093 |  | 7,674
Impaired loans with a valuation allowance, Average Recorded Investment |  |  | 1,875 | $ 1,304 |
Impaired loans with a valuation allowance, Interest Income Recognized |  |  | 117 | 21 |
Total impaired loans, Average Recorded Investment | 6,018 | $ 4,797 | 6,309 | 4,586 |
Total impaired loans, Interest Income Recognized | 38 | 60 | 183 | 82 |
All Other Loans and leases [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment | 2,186 |  | 2,186 |  | 4,759
Impaired loans without a valuation allowance, Unpaid Principal Balance | 2,187 |  | 2,187 |  | 4,760
Impaired loans with a valuation allowance, Recorded Investment | 1,328 |  | 1,328 |  | 574
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,331 |  | 1,331 |  | 574
Impaired loans with a valuation allowance, Related Allowance | 696 |  | 696 |  | 237
Impaired loans without a valuation allowance, Average Recorded Investment | 2,098 | 1,282 | 2,985 | 1,306 |
Impaired loans without a valuation allowance, Interest Income Recognized | 8 | 11 | 21 | 18 |
Impaired loans with a valuation allowance, Average Recorded Investment | 2,526 | 1,381 |  |  |
Impaired loans with a valuation allowance, Interest Income Recognized | 8 | 8 |  |  |
All Other Loans and leases [Member] | Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment |  |  |  |  | 3,871
Impaired loans without a valuation allowance, Unpaid Principal Balance |  |  |  |  | 3,872
Impaired loans with a valuation allowance, Recorded Investment | 859 |  | 859 |  |
Impaired loans with a valuation allowance, Unpaid Principal Balance | 859 |  | 859 |  |
Impaired loans with a valuation allowance, Related Allowance | 417 |  | 417 |  |
Impaired loans without a valuation allowance, Average Recorded Investment | 65 | 345 | 1,334 | 315 |
Impaired loans without a valuation allowance, Interest Income Recognized |  | 1 | 1 | 4 |
Impaired loans with a valuation allowance, Average Recorded Investment | 2,007 | 396 | 1,338 | 264 |
Impaired loans with a valuation allowance, Interest Income Recognized | 2 |  | 104 | 2 |
All Other Loans and leases [Member] | Consumer Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment | 2,186 |  | 2,186 |  | 888
Impaired loans without a valuation allowance, Unpaid Principal Balance | 2,187 |  | 2,187 |  | 888
Impaired loans with a valuation allowance, Recorded Investment | 261 |  | 261 |  | 428
Impaired loans with a valuation allowance, Unpaid Principal Balance | 264 |  | 264 |  | 428
Impaired loans with a valuation allowance, Related Allowance | 71 |  | 71 |  | 116
Impaired loans without a valuation allowance, Average Recorded Investment | 2,033 | 633 | 1,651 | 606 |
Impaired loans without a valuation allowance, Interest Income Recognized | 8 | 10 | 20 | 14 |
Impaired loans with a valuation allowance, Average Recorded Investment | 360 | 827 | 383 | 882 |
Impaired loans with a valuation allowance, Interest Income Recognized | 3 | 5 | 8 | 14 |
All Other Loans and leases [Member] | Construction and Land Development [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Average Recorded Investment |  | 304 |  | 385 |
All Other Loans and leases [Member] | Commercial and Industrial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Recorded Investment | 208 |  | 208 |  | 146
Impaired loans with a valuation allowance, Unpaid Principal Balance | 208 |  | 208 |  | 146
Impaired loans with a valuation allowance, Related Allowance | 208 |  | 208 |  | 121
Impaired loans with a valuation allowance, Average Recorded Investment | 159 | 158 | 154 | 158 |
Impaired loans with a valuation allowance, Interest Income Recognized | 3 | 3 | 5 | 5 |
Purchased Credit Impaired Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Recorded Investment | 1,476 |  | 1,476 |  | 2,118
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,575 |  | 1,575 |  | 2,340
Impaired loans with a valuation allowance, Related Allowance | 371 |  | 371 |  | 309
Impaired loans with a valuation allowance, Average Recorded Investment | 1,394 | 2,134 | 1,449 | 1,976 |
Impaired loans with a valuation allowance, Interest Income Recognized | 22 | 41 | 45 | 43 |
Purchased Credit Impaired Loans [Member] | Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Average Recorded Investment |  | 490 |  | 333 |
Impaired loans with a valuation allowance, Interest Income Recognized |  |  |  | 1 |
Purchased Credit Impaired Loans [Member] | Consumer Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Recorded Investment | 1,201 |  | 1,201 |  | 1,827
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,332 |  | 1,332 |  | 2,086
Impaired loans with a valuation allowance, Related Allowance | 156 |  | 156 |  | 88
Impaired loans with a valuation allowance, Average Recorded Investment | 1,115 | 1,168 | 1,165 | 1,174 |
Impaired loans with a valuation allowance, Interest Income Recognized | 21 | 38 | 43 | 39 |
Purchased Credit Impaired Loans [Member] | Construction and Land Development [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Average Recorded Investment |  | 116 |  | 77 |
Purchased Credit Impaired Loans [Member] | Commercial and Industrial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Recorded Investment | 261 |  | 261 |  | 270
Impaired loans with a valuation allowance, Unpaid Principal Balance | 231 |  | 231 |  | 234
Impaired loans with a valuation allowance, Related Allowance | 213 |  | 213 |  | 218
Impaired loans with a valuation allowance, Average Recorded Investment | 263 | 338 | 266 | 361 |
Impaired loans with a valuation allowance, Interest Income Recognized | 1 | 3 | 2 | 3 |
Purchased Credit Impaired Loans [Member] | Consumer and Other [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Recorded Investment | 14 |  | 14 |  | 21
Impaired loans with a valuation allowance, Unpaid Principal Balance | 12 |  | 12 |  | 20
Impaired loans with a valuation allowance, Related Allowance | 2 |  | 2 |  | $ 3
Impaired loans with a valuation allowance, Average Recorded Investment | $ 16 | $ 22 | $ 18 | $ 31 |

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 No definition available. + Details
Name: | us-gaap_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income on financing receivables, for which there is a related allowance for credit losses, recognized on a cash-basis method of accounting that the financing receivables were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember
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=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_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
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: |