XML 119 R76.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Property and Equipment (Details 1) | 12 Months Ended
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Dec. 31, 2019
Software [Member] |
Schedule of estimated useful lives of property plant and equipment |
Property and equipment, estimated useful life (in years) | 3 years
Buildings [Member] |
Schedule of estimated useful lives of property plant and equipment |
Property and equipment, estimated useful life (in years) | 40 years
Minimum [Member] | Furniture and equipment [Member] |
Schedule of estimated useful lives of property plant and equipment |
Property and equipment, estimated useful life (in years) | 5 years
Minimum [Member] | Leasehold Improvements [Member] |
Schedule of estimated useful lives of property plant and equipment |
Property and equipment, estimated useful life (in years) | 5 years
Maximum [Member] | Furniture and equipment [Member] |
Schedule of estimated useful lives of property plant and equipment |
Property and equipment, estimated useful life (in years) | 7 years
Maximum [Member] | Leasehold Improvements [Member] |
Schedule of estimated useful lives of property plant and equipment |
Property and equipment, estimated useful life (in years) | 15 years

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

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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- Details
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- Details
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- Details
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Period Type: |