Registration statement for securities to be issued by real estate companies

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Real Estate Owned (Detail Textuals 1)

v3.7.0.1

Real Estate Owned (Detail Textuals 1)	1 Months Ended			12 Months Ended
Real Estate Owned (Detail Textuals 1)	Oct. 31, 2016 USD ($) Mortgage_Property	Oct. 30, 2016 USD ($)	Aug. 31, 2016 USD ($) Borrower Mortgage_Property	Dec. 31, 2016 USD ($) Mortgage_Property	Mar. 31, 2017 USD ($)
Real Estate Owned [Line Items]
Number of mortgage properties held for sale \| Mortgage_Property				3
Number of properties held for rental \| Mortgage_Property				4
Amount of properties held for rental				$ 789,126	$ 971,579
Single Family
Real Estate Owned [Line Items]
Amount of properties held for rental				395,000
Lease provides rental payments for the period				4,250
Value of properties held for rental expected to be sold				400,000
Single Family
Real Estate Owned [Line Items]
Amount of properties held for rental				117,500
Lease provides rental payments for the period				1,375
Lease amount paid				7,000
Value of properties held for rental expected to be sold				114,750
Multifamily
Real Estate Owned [Line Items]
Amount of properties held for rental				143,000
Lease provides rental payments for the period				1,660
Single Family
Real Estate Owned [Line Items]
Amount of properties held for rental				133,000
Lease provides rental payments for the period				$ 1,330
Mortgage Receivable
Real Estate Owned [Line Items]
Number of borrowers \| Borrower			2
Number of mortgage properties held for sale \| Mortgage_Property			5
Aggregate amount of the mortgages receivable including interest and late charges receivable			$ 532,000
Number of mortgage properties sold \| Mortgage_Property	3			1
Loss on sale of property held for sale	$ 98,622	$ 11,000		$ 29,488
Mortgage Receivable \| JJV LLC
Real Estate Owned [Line Items]
Carrying value of property held for sale acquired				$ 180,000

- Definition

Represents the amount paid as lease provides rental payments.

+ References

No definition available.

+ Details

Name:	sach_LeaseProvidesForRentalPaymentsToAcquireRealEstateHeldForRental
Namespace Prefix:	sach_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the amount of loan interest and late charges.

+ References

No definition available.

+ Details

Name:	sach_LoansReceivableIncludingInterestAndLateCharges
Namespace Prefix:	sach_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the number of borrowers.

+ References

No definition available.

+ Details

Name:	sach_NumberOfBorrowers
Namespace Prefix:	sach_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of mortgage properties held for sale.

+ References

No definition available.

+ Details

Name:	sach_NumberOfMortgagePropertiesHeldForSale
Namespace Prefix:	sach_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of mortgage properties sold.

+ References

No definition available.

+ Details

Name:	sach_NumberOfMortgagePropertiesSold
Namespace Prefix:	sach_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of properties held for rental.

+ References

No definition available.

+ Details

Name:	sach_NumberOfPropertiesHeldForRental
Namespace Prefix:	sach_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table.

+ References

No definition available.

+ Details

Name:	sach_RealEstateOwnedLineItems
Namespace Prefix:	sach_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the value at which properties held for rental is expected to be sold.

+ References

No definition available.

+ Details

Name:	sach_RentalPropertiesSaleableValueUnderOption
Namespace Prefix:	sach_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnSaleOfProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_RealEstateInvestmentPropertyNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying amount of income producing properties held for rental.

+ References

+ Details

Name:	us-gaap_RentalProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_SingleFamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=sach_SingleFamilyOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_MultifamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=sach_SingleFamilyTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_MortgageReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: