XML 13 R39.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Loans and Allowance for Loan Losses (Details 4) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014
Non PCI Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment | $ 6,715,000 | $ 8,421,000
Impaired loans without a valuation allowance, Unpaid Principal Balance | 7,415,000 | 8,962,000
Impaired loans without a valuation allowance, Average Recorded Investment | 7,860,000 | 8,793,000
Impaired loans without a valuation allowance, Interest Income Recognized | 204,000 | 609,000
Impaired loans with a valuation allowance, Recorded Investment | 418,000 | 1,865,000
Impaired loans with a valuation allowance, Unpaid Principal Balance | 418,000 | 1,865,000
Impaired loans with a valuation allowance, Related Allowance | 258,000 | 234,000
Impaired loans with a valuation allowance, Average Recorded Investment | 1,319,000 | 1,934,000
Impaired loans with a valuation allowance, Interest Income Recognized | 0 | 153,000
PCI Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Total impaired loans, Recorded Investment | 7,133,000 | 10,286,000
Total impaired loans, Unpaid Principal Balance | 7,833,000 | 10,827,000
Total impaired loans, Related Allowance | 258,000 | 234,000
Total impaired loans, Average Recorded Investment | 9,179,000 | 10,727,000
Total impaired loans, Interest Income Recognized | 0 | 762,000
Commercial Real Estate Mortgage [Member] | Non PCI Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment | 1,974,000 | 2,180,000
Impaired loans without a valuation allowance, Unpaid Principal Balance | 1,974,000 | 2,180,000
Impaired loans without a valuation allowance, Average Recorded Investment | 1,955,000 | 2,247,000
Impaired loans without a valuation allowance, Interest Income Recognized | 89,000 | 193,000
Impaired loans with a valuation allowance, Recorded Investment | 0 | 0
Impaired loans with a valuation allowance, Unpaid Principal Balance | 0 | 0
Impaired loans with a valuation allowance, Related Allowance | 0 | 0
Impaired loans with a valuation allowance, Average Recorded Investment | 0 | 0
Impaired loans with a valuation allowance, Interest Income Recognized | 0 | 0
Consumer Real Estate Mortgage [Member] | Non PCI Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment | 3,652,000 | 5,155,000
Impaired loans without a valuation allowance, Unpaid Principal Balance | 4,352,000 | 5,692,000
Impaired loans without a valuation allowance, Average Recorded Investment | 4,381,000 | 5,289
Impaired loans without a valuation allowance, Interest Income Recognized | 73,000 | 362,000
Impaired loans with a valuation allowance, Recorded Investment | 0 | 245,000
Impaired loans with a valuation allowance, Unpaid Principal Balance | 0 | 245,000
Impaired loans with a valuation allowance, Related Allowance | 0 | 3,000
Impaired loans with a valuation allowance, Average Recorded Investment | 147,000 | 294,000
Impaired loans with a valuation allowance, Interest Income Recognized | 0 | 12,000
Construction and Land Development [Member] | Non PCI Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment | 1,038,000 | 1,086,000
Impaired loans without a valuation allowance, Unpaid Principal Balance | 1,038,000 | 1,090,000
Impaired loans without a valuation allowance, Average Recorded Investment | 1,058,000 | 1,257,000
Impaired loans without a valuation allowance, Interest Income Recognized | 39,000 | 54,000
Impaired loans with a valuation allowance, Recorded Investment | 0 | 1,082,000
Impaired loans with a valuation allowance, Unpaid Principal Balance | 0 | 1,082,000
Impaired loans with a valuation allowance, Related Allowance | 0 | 60,000
Impaired loans with a valuation allowance, Average Recorded Investment | 694,000 | 1,101,000
Impaired loans with a valuation allowance, Interest Income Recognized | 0 | 82,000
Commercial and Industrial Loans [Member] | Non PCI Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment | 51,000 | 0
Impaired loans without a valuation allowance, Unpaid Principal Balance | 51,000 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 466,000 | 0
Impaired loans without a valuation allowance, Interest Income Recognized | 3,000 | 0
Impaired loans with a valuation allowance, Recorded Investment | 418,000 | 538,000
Impaired loans with a valuation allowance, Unpaid Principal Balance | 418,000 | 538,000
Impaired loans with a valuation allowance, Related Allowance | 258,000 | 171,000
Impaired loans with a valuation allowance, Average Recorded Investment | 478,000 | 539,000
Impaired loans with a valuation allowance, Interest Income Recognized | 0 | 59,000
Consumer and Other Loans [Member] | Non PCI Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment | 0 | 0
Impaired loans without a valuation allowance, Unpaid Principal Balance | 0 | 0
Impaired loans without a valuation allowance, Average Recorded Investment | 0 | 0
Impaired loans without a valuation allowance, Interest Income Recognized | 0 | 0
Impaired loans with a valuation allowance, Recorded Investment | 0 | 0
Impaired loans with a valuation allowance, Unpaid Principal Balance | 0 | 0
Impaired loans with a valuation allowance, Related Allowance | 0 | 0
Impaired loans with a valuation allowance, Average Recorded Investment | 0 | 0
Impaired loans with a valuation allowance, Interest Income Recognized | $ 0 | $ 0

X
- Definition Total amount of allowance for credit losses related to recorded investment. + References No definition available. + Details
Name: | smbk_ImpairedFinancingReceivableRelatedAllowanceTotal
Namespace Prefix: | smbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49124121&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=49124121&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_StatementClassOfStockAxis=smbk_NonPciLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=smbk_PciLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=smbk_CommercialRealEstateMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=smbk_ConsumerRealEstateMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=smbk_ConstructionAndLandDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=smbk_CommercialAndIndustrialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=smbk_ConsumerAndOtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |