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v3.21.1

Other Income (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Other Income |  |
Income from borrower charges | $ 290,683 | $ 218,804
Lender, modification and extension fees | 672,159 | 451,746
In-house legal fees | 223,440 | 153,130
Other income | 60,248 | 3,008
Total | $ 1,246,530 | $ 826,688

X
- Definition It represents the amount of income on modification fees. + References No definition available. + Details
Name: | sach_IncomeAndOther
Namespace Prefix: | sach_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition It represents the amount of income from lender modification and extension fees. + References No definition available. + Details
Name: | sach_IncomeFromLenderModificationAndExtensionFees
Namespace Prefix: | sach_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition It represents the amount of income on borrower charges. + References No definition available. + Details
Name: | sach_IncomeOnBorrowerCharges
Namespace Prefix: | sach_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition It represents the amount of income on in-house legal fees. + References No definition available. + Details
Name: | sach_IncomeOnInhouseLegalFees
Namespace Prefix: | sach_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue and income classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.4) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
Name: | us-gaap_OtherIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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