XML 93 R57.htm IDEA: XBRL DOCUMENT
v3.20.1

Loans and Allowance for Loan Losses - Past Due Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | $ 10 | $ 607
Nonaccrual | 3,060 | 2,743
Total Past Due and Nonaccrual | 14,258 | 6,651
Current Loans | 2,095,548 | 1,869,610
Total loans | 2,145,292 | 1,903,248
Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 9,936 | 3,182
Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 1,252 | 119
Commercial Real Estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 0 | 0
Nonaccrual | 397 | 124
Total Past Due and Nonaccrual | 5,120 | 612
Current Loans | 987,326 | 889,439
Total loans | 1,009,035 | 905,306
Commercial Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 4,305 | 466
Commercial Real Estate [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 418 | 22
Consumer Real Estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 0 | 0
Nonaccrual | 1,860 | 1,872
Total Past Due and Nonaccrual | 6,375 | 3,466
Current Loans | 470,448 | 413,331
Total loans | 488,773 | 423,338
Consumer Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 4,029 | 1,564
Consumer Real Estate [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 486 | 30
Construction and Land Development [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 0 | 607
Nonaccrual | 679 | 620
Total Past Due and Nonaccrual | 1,283 | 1,734
Current Loans | 245,683 | 221,434
Total loans | 253,445 | 227,626
Construction and Land Development [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 564 | 507
Construction and Land Development [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 40 | 0
Commercial and Industrial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 0 | 0
Nonaccrual | 48 | 57
Total Past Due and Nonaccrual | 1,015 | 669
Current Loans | 376,015 | 335,999
Total loans | 377,173 | 337,075
Commercial and Industrial [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 665 | 559
Commercial and Industrial [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 302 | 53
Consumer and Other [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 10 | 0
Nonaccrual | 76 | 70
Total Past Due and Nonaccrual | 465 | 170
Current Loans | 16,076 | 9,407
Total loans | 16,866 | 9,903
Consumer and Other [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 373 | 86
Consumer and Other [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 6 | $ 14
Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 35,486 |
Purchased Credit Impaired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 16,589 |
Purchased Credit Impaired Loans [Member] | Consumer Real Estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 11,950 |
Purchased Credit Impaired Loans [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 6,479 |
Purchased Credit Impaired Loans [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 143 |
Purchased Credit Impaired Loans [Member] | Consumer and Other [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | $ 325 |

X
- Definition Financing Receivable, Including Held-For Sale, Before Allowance For Credit Loss + References No definition available. + Details
Name: | smbk_FinancingReceivableIncludingHeldForSaleBeforeAllowanceForCreditLoss
Namespace Prefix: | smbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing receivable recorded investment past due including non accrual status. + References No definition available. + Details
Name: | smbk_FinancingReceivableRecordedInvestmentPastDueIncludingNonaccrualStatus
Namespace Prefix: | smbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable not past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable on nonaccrual status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=smbk_FinancialAssetAcquiredWithCreditDeteriorationExcludingFinancialAssetEqualToOrGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |