XML 68 R58.htm IDEA: XBRL DOCUMENT
v3.24.3

Equity Investments in Ground Leases (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 31, 2024 USD ($) | Dec. 31, 2021 USD ($) | Jun. 30, 2021 agreement | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Jul. 31, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jun. 30, 2022 USD ($) | Feb. 28, 2022 USD ($) | Jan. 31, 2022 lease | Nov. 30, 2021 USD ($) | Mar. 31, 2021 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value | [1] |  |  |  | $ 246,310,000 |  | $ 246,310,000 |  |  |  | $ 310,320,000 |  |  |  |  |
Earnings (losses) from equity method investments |  |  |  |  | 4,739,000 | $ 7,451,000 | 18,120,000 | $ 16,520,000 |  |  |  |  |  |  |  |
Ground Lease acquisition purchase price |  |  |  |  |  |  | 137,490,000 | 170,194,000 |  |  |  |  |  |  |  |
Land and Related Ground Lease |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasehold improvement allowance, funded amount |  |  |  |  | 51,800,000 |  | 51,800,000 |  |  |  |  |  |  |  |  |
Ground Lease Plus Fund |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ground Lease acquisition purchase price |  | $ 38,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
iStar Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of land acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 33,300,000 |
Number of agreements entered into to acquire land and related Ground Lease | agreement |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
iStar Inc. | Multi-family project |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment to provide loan to Ground lessee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75,000,000.0
iStar Inc. | Ground Lease Plus Fund |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) from sale of Ground Lease |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Ground Leases sold | lease |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
425 Park Avenue | Equity Method Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value |  |  |  |  | 136,806,000 |  | 136,806,000 |  |  |  | 135,288,000 |  |  |  |  |
Earnings (losses) from equity method investments |  |  |  |  | $ 654,000 | 938,000 | $ 2,389,000 | 2,645,000 |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  | 54.80% |  | 54.80% |  |  |  |  |  |  |  |  |
32 Old Slip |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value |  |  |  |  | $ 56,293,000 |  | $ 56,293,000 |  |  |  | 52,425,000 |  |  |  |  |
Earnings (losses) from equity method investments |  |  |  |  | 1,401,000 | 1,406,000 | 4,243,000 | 4,253,000 |  |  |  |  |  |  |  |
Ownership percentage |  |  |  | 29.20% |  |  |  |  |  |  |  |  |  |  |  |
Ground Lease Plus Fund |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value |  |  |  |  | 30,030,000 |  | 30,030,000 |  |  |  | 73,428,000 |  |  |  |  |
Earnings (losses) from equity method investments |  |  |  |  | 497,000 | 1,825,000 | 1,839,000 | 3,513,000 |  |  |  |  |  |  |  |
Basis difference in equity investment to be amortized |  |  |  |  | 19,300,000 |  | 19,300,000 |  |  |  |  |  |  |  |  |
Amortization of basis difference in equity investments |  |  |  |  | $ (100,000) | 800,000 | $ 100,000 | 1,600,000 |  |  |  |  |  |  |  |
Weighted average remaining term |  |  |  |  |  |  | 105 years 9 months 18 days |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  | 53.20% |  | 53.20% |  |  |  |  |  |  |  |  |
Leasehold Loan Fund |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value |  |  |  |  | $ 23,181,000 |  | $ 23,181,000 |  |  |  | $ 49,179,000 |  |  |  |  |
Earnings (losses) from equity method investments |  |  |  |  | 2,187,000 | 3,282,000 | 9,649,000 | 6,109,000 |  |  |  |  |  |  |  |
Basis difference in equity investment to be amortized |  |  |  |  | 7,200,000 |  | 7,200,000 |  |  |  |  |  |  |  |  |
Amortization of basis difference in equity investments |  |  |  |  | $ 800,000 | $ 1,000,000.0 | $ 4,000,000.0 | $ 2,000,000.0 |  |  |  |  |  |  |  |
Weighted average remaining term |  |  |  |  |  |  | 2 years 6 months |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  | 53.20% |  | 53.20% |  |  |  |  |  |  |  |  |
Leasehold Loan Fund | Life science property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment to provide loan to Ground lessee |  |  |  |  |  |  |  |  |  |  |  |  | $ 130,000,000.0 |  |  |
Leasehold Loan Fund | Mixed-use property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment to provide loan to Ground lessee |  |  |  |  |  |  |  |  |  |  |  | $ 105,000,000.0 |  |  |  |
Loan commitment to Ground lessee that has been funded |  |  |  |  | $ 40,800,000 |  | $ 40,800,000 |  |  |  |  |  |  |  |  |
Leasehold Loan Fund | Multi-family project |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan commitment to Ground lessee that has been funded |  |  |  |  |  |  |  |  |  | $ 69,400,000 |  |  |  |  |  |
Leasehold Loan Fund | Student housing project |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment to provide loan to Ground lessee |  |  |  |  |  |  |  |  | $ 31,500,000 |  |  |  |  |  |  |
Loan commitment to Ground lessee that has been funded |  |  |  |  | $ 0 |  | $ 0 |  |  |  |  |  |  |  |  |
[1] | Refer to Note 2 for details on the Company’s consolidated variable interest entities (“VIEs”).

X
- Definition Amount of commitment to extend credit to a ground lessee. + References No definition available. + Details
Name: | safe_CommitmentToExtendCreditToGroundLessee
Namespace Prefix: | safe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortization period for the recovery of the basis difference in equity investment in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | safe_EquityInvestmentBasisDifferenceAmortizationPeriod
Namespace Prefix: | safe_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of amortization of the difference between carrying value and underlying equity of equity method investment during the period. + References No definition available. + Details
Name: | safe_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquityAmortization
Namespace Prefix: | safe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized on the sale of a Ground Lease. + References No definition available. + Details
Name: | safe_GainLossFromSaleOfGroundLease
Namespace Prefix: | safe_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The acquisition price of Ground Leases. + References No definition available. + Details
Name: | safe_GroundLeaseAcquisition
Namespace Prefix: | safe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Value of land acquired in a transaction. + References No definition available. + Details
Name: | safe_LandAcquired
Namespace Prefix: | safe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of a commitment to extend credit to a ground lessee that has been funded. + References No definition available. + Details
Name: | safe_LoanCommitmentToGroundLesseeAmountFunded
Namespace Prefix: | safe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of agreements entered into by the entity to acquire land and related ground lease. + References No definition available. + Details
Name: | safe_NumberOfAgreementsToAcquireLandAndRelatedGroundLease
Namespace Prefix: | safe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of Ground Lease sold. + References No definition available. + Details
Name: | safe_NumberOfGroundLeasesSold
Namespace Prefix: | safe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Real Estate, Leasehold Improvement Allowance, Funded Amount + References No definition available. + Details
Name: | safe_RealEstateLeaseholdImprovementAllowanceFundedAmount
Namespace Prefix: | safe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481664/323-10-45-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 25 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 + Details
Name: | us-gaap_EquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481664/323-10-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=safe_LandAndRelatedGroundLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=safe_GroundLeasePlusFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=safe_IStarInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=safe_MixedFamilyProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=safe_PropertyAt425ParkAvenueNewYorkCityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_EquityMethodInvesteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=safe_OfficePropertyNewYorkCityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=safe_GroundLeasePlusFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=safe_LeaseholdLoanFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=safe_LifeScienceOfficePropertyDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=safe_MixedUseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=safe_StudentHousingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |