XML 61 R48.htm IDEA: XBRL DOCUMENT
v3.21.1

19) Derivative Instruments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Table Text Block Supplement [Abstract] |
Schedule of Derivative Assets at Fair Value | The following table shows the fair value and notional amounts of derivative instruments as of December 31, 2020 and 2019.
| Fair Values and Notional Amounts of Derivative Instruments
|  |  | December 31, 2020 |  | December 31, 2019
| Balance Sheet Location |  | Notional Amount |  | Asset Fair Value |  | Liability Fair Value |  | Notional Amount |  | Asset Fair Value |  | Liability Fair Value
Derivatives not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |  |
Loan commitments | Other assets and Other liabilities |  | $659,245,038 |  | $12,592,672 |  | $2,464,062 |  | $224,202,514 |  | $2,722,580 |  | $231,347
Call options | Other liabilities |  | 1,873,200 |  | -- |  | 43,097 |  | 1,813,500 |  | -- |  | 62,265
Put options | Other liabilities |  | -- |  | -- |  | -- |  | 1,573,100 |  | -- |  | 22,282
Total |  |  | $661,118,238 |  | $12,592,672 |  | $2,507,159 |  | $227,589,114 |  | $2,722,580 |  | $315,894
Schedule of Gains and Losses on Derivatives | The following table shows the gain (loss) on derivatives for the periods presented. There were no gains or losses reclassified from accumulated other comprehensive income into income or gains or losses recognized in income on derivatives ineffective portion or any amounts excluded from effective testing.
|  |  |  | Net Amount Gain (Loss)
|  |  |  | Years ended December 31
Derivative |  | Classification |  | 2020 |  | 2019
Loan commitments |  | Mortgage fee income |  | $ 7,637,377 |  | $ 899,417
Call and put options |  | Gains on investments and other assets |  | $ 272,758 |  | $ 626,208

X
- Definition Represents the textual narrative disclosure of Schedule of Gains and Losses on Derivatives, during the indicated time period. + References No definition available. + Details
Name: | snfc_ScheduleOfGainsAndLossesOnDerivativesTextBlock
Namespace Prefix: | snfc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of derivative assets at fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDerivativeAssetsAtFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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