XML 79 R67.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Deposits (Details Textual) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Time Deposits Maturity [Line Items] |  |
Time deposits of 250,000 or more | $ 123,053,000 | $ 102,694,000
Fair value adjustments to time deposits | 303,981 |
Deposit liabilities reclassified as loans receivable | 76,380 | 81,859
Related Party [Member] |  |
Time Deposits Maturity [Line Items] |  |
Related party deposit liabilities | $ 15,100,000 | $ 5,600,000

X
- Definition Amount of fair value adjustments to time deposits as a result of the business combination. + References No definition available. + Details
Name: | smbk_FairValueAdjustmentsToTimeDepositsOnBusinessCombination
Namespace Prefix: | smbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate amount of domestic and foreign time deposit liabilities (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $250,000 or more. + References No definition available. + Details
Name: | smbk_TimeDeposits250000OrMore
Namespace Prefix: | smbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | smbk_TimeDepositsMaturityLineItems
Namespace Prefix: | smbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=50488274&loc=d3e64164-112818 + Details
Name: | us-gaap_DepositLiabilitiesReclassifiedAsLoansReceivable1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deposits held by the entity for a related party (entity, shareholder, employee). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_RelatedPartyDepositLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=smbk_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |