XML 38 R26.htm IDEA: XBRL DOCUMENT
v3.21.2

Securities (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-for-sale Securities Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2021
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Treasury | ​ | $ | 6,381 | ​ | $ | 57 | ​ | $ | — | ​ | $ | 6,438
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 73,503 | ​ | ​ | 191 | ​ | ​ | (1,074) | ​ | ​ | 72,620
Municipal securities | ​ |  | 86,720 | ​ |  | 2,188 | ​ |  | — | ​ |  | 88,908
Other debt securities | ​ |  | 29,019 | ​ |  | 414 | ​ |  | (82) | ​ |  | 29,351
Mortgage-backed securities (GSEs) | ​ |  | 52,430 | ​ |  | 1,201 | ​ |  | (131) | ​ |  | 53,500
Total | ​ | $ | 248,053 | ​ | $ | 4,051 | ​ | $ | (1,287) | ​ | $ | 250,817
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2020
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 30,526 | ​ | $ | 10 | ​ | $ | (6) | ​ | $ | 30,530
Municipal securities | ​ |  | 89,644 | ​ |  | 2,345 | ​ |  | — | ​ |  | 91,989
Other debt securities | ​ |  | 25,019 | ​ |  | 112 | ​ |  | (13) | ​ |  | 25,118
Mortgage-backed securities (GSEs) | ​ |  | 66,425 | ​ |  | 1,754 | ​ |  | (182) | ​ |  | 67,997
Total | ​ | $ | 211,614 | ​ | $ | 4,221 | ​ | $ | (201) | ​ | $ | 215,634
​
Proceeds from sale of securities available for sale, gains losses and proceeds from redemption | Proceeds from sale of securities available for sale, gross gains and gross losses on sales and redemptions for the three and six months ended June 30, 2021 and 2020 were as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2021 |  | 2020 | ​ | 2021 |  | 2020
Proceeds from sales | ​ | $ | - | ​ | $ | 4,760 | ​ | $ | - | ​ | $ | 6,875
Gross gains | ​ | $ | - | ​ | $ | 16 | ​ | $ | - | ​ | $ | 16
Gross losses | ​ | $ | - | ​ | $ | - | ​ | $ | - | ​ | $ | -
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Proceeds from maturities and calls | ​ | $ | 2,178 | ​ | $ | 12,200 | ​ | $ | 11,275 | ​ | $ | 15,450
Investments Classified by Contractual Maturity Date | The amortized cost and estimated fair value of securities at June 30, 2021, by contractual maturity for non-mortgage backed securities are shown below (in thousands). Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2021
​ |  | Amortized |  | Fair
​ | ​ | Cost | ​ | Value
Due in one year or less | ​ | $ | 5,025 | ​ | $ | 5,041
Due from one year to five years | ​ |  | 4,039 | ​ |  | 4,058
Due from five years to ten years | ​ |  | 66,493 | ​ |  | 67,152
Due after ten years | ​ |  | 120,066 | ​ |  | 121,066
​ | ​ |  | 195,623 | ​ |  | 197,317
Mortgage-backed securities | ​ |  | 52,430 | ​ |  | 53,500
Total | ​ | $ | 248,053 | ​ | $ | 250,817
​
Schedule of Unrealized Loss on Investments | The following tables present the gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities available-for-sale have been in a continuous unrealized loss position (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2021
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
​ | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 35,861 | ​ | $ | (1,071) | ​ | 9 | ​ | $ | 841 | ​ | $ | (3) | ​ | 3 | ​ | $ | 36,702 | ​ | $ | (1,074) | ​ | 12
Municipal securities | ​ |  | — | ​ |  | — | ​ | — | ​ |  | — | ​ |  | — | ​ | — | ​ |  | — | ​ |  | — | ​ | —
Other debt securities | ​ |  | 10,918 | ​ |  | (82) | ​ | 5 | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 10,918 | ​ |  | (82) | ​ | 5
Mortgage-backed securities (GSEs) | ​ |  | 36 | ​ |  | — | ​ | 1 | ​ |  | 9,862 | ​ |  | (131) | ​ | 6 | ​ |  | 9,898 | ​ |  | (131) | ​ | 7
Total | ​ | $ | 46,815 | ​ | $ | (1,153) | ​ | 15 | ​ | $ | 10,703 | ​ | $ | (134) | ​ | 9 | ​ | $ | 57,518 | ​ | $ | (1,287) | ​ | 24
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2020
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
​ | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 15,510 | ​ | $ | (5) | ​ | 3 | ​ | $ | 132 | ​ | $ | (1) | ​ | 1 | ​ | $ | 15,642 | ​ | $ | (6) | ​ | 4
Municipal securities | ​ |  | — | ​ |  | — | ​ | — | ​ |  | — | ​ |  | — | ​ | — | ​ |  | — | ​ |  | — | ​ | —
Other debt securities | ​ |  | 1,495 | ​ |  | (5) | ​ | 1 | ​ |  | 977 | ​ |  | (8) | ​ | 1 | ​ |  | 2,472 | ​ |  | (13) | ​ | 2
Mortgage-backed securities (GSEs) | ​ |  | 9,790 | ​ |  | (87) | ​ | 6 | ​ |  | 6,083 | ​ |  | (95) | ​ | 3 | ​ |  | 15,873 | ​ |  | (182) | ​ | 9
Total | ​ | $ | 26,795 | ​ | $ | (97) | ​ | 10 | ​ | $ | 7,192 | ​ | $ | (104) | ​ | 5 | ​ | $ | 33,987 | ​ | $ | (201) | ​ | 15
​
Schedule of Other Investments | The following is the amortized cost and carrying value of other investments (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ |  | 2021 |  | 2020
Federal Reserve Bank stock | ​ | $ | 8,316 |  | $ | 8,606
Federal Home Loan Bank stock | ​ |  | 5,918 |  | ​ | 5,838
First National Bankers Bank stock | ​ |  | 350 |  | ​ | 350
Total | ​ | $ | 14,584 | ​ | $ | 14,794
​

X
- Definition The schedule related to debt securities available for sale related to proceeds, gains and losses and proceeds from redemption. + References No definition available. + Details
Name: | smbk_DebtSecuritiesAvailableForSaleProceedsAndGainsLossesAndRedemptionTableTextBlock
Namespace Prefix: | smbk_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
Name: | us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration