XML 46 R33.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Available-for-Sale Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Securities [Abstract] |
Available-for-sale Securities [Table Text Block] |
|  | Amortized |  |  | Gross Unrealized |  |  | Gross Unrealized |  |  |  |
($ in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
December 31, 2019: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and Government agencies |  | $ | 12,023 |  |  | $ | 181 |  |  | $ | (2 | ) |  | $ | 12,202 |
Mortgage-backed securities |  |  | 77,892 |  |  |  | 492 |  |  |  | (202 | ) |  |  | 78,182 |
State and political subdivisions |  |  | 10,199 |  |  |  | 366 |  |  |  | (1 | ) |  |  | 10,564 |
Totals |  | $ | 100,114 |  |  | $ | 1,039 |  |  | $ | (205 | ) |  | $ | 100,948 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  |  |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Fair Value |
December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and Government agencies |  | $ | 18,597 |  |  | $ | 187 |  |  | $ | (114 | ) |  | $ | 18,670 |
Mortgage-backed securities |  |  | 61,868 |  |  |  | 114 |  |  |  | (1,039 | ) |  |  | 60,943 |
State and political subdivisions |  |  | 11,203 |  |  |  | 180 |  |  |  | (27 | ) |  |  | 11,356 |
Totals |  | $ | 91,668 |  |  | $ | 481 |  |  | $ | (1,180 | ) |  | $ | 90,969 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | Amortized |  |  | Fair |
($ in thousands) |  | Cost |  |  | Value |
Within one year |  | $ | 3,566 |  |  | $ | 3,571 |
Due after one year through five years |  |  | 7,209 |  |  |  | 7,340 |
Due after five years through ten years |  |  | 5,783 |  |  |  | 5,954 |
Due after ten years |  |  | 5,664 |  |  |  | 5,901 |
|  |  | 22,222 |  |  |  | 22,766 |
Mortgage-backed securities |  |  | 77,892 |  |  |  | 78,182 |
Totals |  | $ | 100,114 |  |  | $ | 100,948 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] |
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
($ in thousands) December 31, 2019 |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
U.S. Treasury and Government agencies |  | $ | 872 |  |  | $ | (1 | ) |  | $ | 2,598 |  |  | $ | (1 | ) |  | $ | 3,470 |  |  | $ | (2 | )
Mortgage-backed securities |  |  | 30,692 |  |  |  | (157 | ) |  |  | 4,264 |  |  |  | (45 | ) |  |  | 34,956 |  |  |  | (202 | )
State and political subdivisions |  |  | 339 |  |  |  | (1 | ) |  |  | - |  |  |  | - |  |  |  | 339 |  |  |  | (1 | )
Totals |  | $ | 31,903 |  |  | $ | (159 | ) |  | $ | 6,862 |  |  | $ | (46 | ) |  | $ | 38,765 |  |  | $ | (205 | )
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
December 31, 2018 |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
U.S. Treasury and Government agencies |  | $ | 1,417 |  |  | $ | (8 | ) |  | $ | 7,870 |  |  | $ | (106 | ) |  | $ | 9,287 |  |  | $ | (114 | )
Mortgage-backed securities |  |  | 10,613 |  |  |  | (54 | ) |  |  | 37,495 |  |  |  | (985 | ) |  |  | 48,108 |  |  |  | (1,039 | )
State and political subdivisions |  |  | 417 |  |  |  | (6 | ) |  |  | 1,159 |  |  |  | (21 | ) |  |  | 1,576 |  |  |  | (27 | )
Totals |  | $ | 12,447 |  |  | $ | (68 | ) |  | $ | 46,524 |  |  | $ | (1,112 | ) |  | $ | 58,971 |  |  | $ | (1,180 | )

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

X
- Definition Tabular disclosure of fair value of investments in debt and equity securities in an unrealized loss position categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum: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: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration