XML 68 R56.htm IDEA: XBRL DOCUMENT
v3.25.3

Loans and Allowance for Credit Losses - CECL Allowance by Geographical Location (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2025
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | $ 23,424 | $ 23,662
Provision for (recovery of) credit losses related to loans | 812 | 2,788
Reclassification of loans held for sale to loans held for investment | 0 | 3,292
Charge-offs | (8,449) | (13,955)
Ending balance | 15,787 | 15,787
Loans held for investment |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 17,645 | 18,470
Provision for (recovery of) credit losses related to loans | (3,923) | (6,905)
Reclassification of loans held for sale to loans held for investment | 0 | 3,292
Charge-offs | (2,639) | (3,774)
Ending balance | 11,083 | 11,083
New England | Loans held for investment |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 10,466 | 12,844
Provision for (recovery of) credit losses related to loans | (4,162) | (9,832)
Reclassification of loans held for sale to loans held for investment | 0 | 3,292
Charge-offs | 0 | 0
Ending balance | 6,304 | 6,304
Mid-Atlantic | Loans held for investment |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 4,056 | 1,857
Provision for (recovery of) credit losses related to loans | (255) | 2,411
Reclassification of loans held for sale to loans held for investment | 0 | 0
Charge-offs | (2,639) | (3,106)
Ending balance | 1,162 | 1,162
South | Loans held for investment |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 1,290 | 1,802
Provision for (recovery of) credit losses related to loans | 449 | 605
Reclassification of loans held for sale to loans held for investment | 0 | 0
Charge-offs | 0 | (668)
Ending balance | 1,739 | 1,739
West | Loans held for investment |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 1,833 | 1,967
Provision for (recovery of) credit losses related to loans | 45 | (89)
Reclassification of loans held for sale to loans held for investment | 0 | 0
Charge-offs | 0 | 0
Ending balance | $ 1,878 | $ 1,878

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense on financing receivable transferred into held-for-investment out of held-for-sale classification. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477011/948-310-45-2 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestTransferToHeldForInvestmentAllowanceForCreditLossExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=sach_LoansHeldForInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GeographicDistributionAxis=sach_NewEnglandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GeographicDistributionAxis=sach_MidAtlanticMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GeographicDistributionAxis=sach_SouthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GeographicDistributionAxis=sach_WestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |