Debt Instrument, Covenant, Deferred Asset Management Fee Payment, Percentage

No definition available.

Name:	kbsriii_DebtInstrumentCovenantDeferredAssetManagementFeePaymentPercentage
Namespace Prefix:	kbsriii_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Covenant, Maximum Asset Management Fee Payment, Associated Properties, Number

+ References

No definition available.

+ Details

Name:	kbsriii_DebtInstrumentCovenantMaximumAssetManagementFeePaymentAssociatedPropertiesNumber
Namespace Prefix:	kbsriii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Covenant, Maximum Asset Management Fee Payment, Percentage

+ References

No definition available.

+ Details

Name:	kbsriii_DebtInstrumentCovenantMaximumAssetManagementFeePaymentPercentage
Namespace Prefix:	kbsriii_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Derivative, Number of Instruments Terminated

+ References

No definition available.

+ Details

Name:	kbsriii_DerivativeNumberOfInstrumentsTerminated
Namespace Prefix:	kbsriii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Dividend Reinvestment Plan, Purchase Price For Share as Percent of Estimated Value

+ References

No definition available.

+ Details

Name:	kbsriii_DividendReinvestmentPlanPurchasePriceForShareAsPercentOfEstimatedValue
Namespace Prefix:	kbsriii_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Gain (loss) on Settlement of Early Terminated Swaps

+ References

No definition available.

+ Details

Name:	kbsriii_GainLossOnSettlementOfEarlyTerminatedSwaps
Namespace Prefix:	kbsriii_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Monthly Asset Management Fee, Percent of Acquisition Expense, Excluding Acquisition Fees Related to Thereto

+ References

No definition available.

+ Details

Name:	kbsriii_MonthlyAssetManagementFeePercentOfAcquisitionExpenseExcludingAcquisitionFeesRelatedToThereto
Namespace Prefix:	kbsriii_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of Company Directors

+ References

No definition available.

+ Details

Name:	kbsriii_NumberOfCompanyDirectors
Namespace Prefix:	kbsriii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Company Executive Officers

+ References

No definition available.

+ Details

Name:	kbsriii_NumberOfCompanyExecutiveOfficers
Namespace Prefix:	kbsriii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Real Estate Properties Disposed.

+ References

No definition available.

+ Details

Name:	kbsriii_NumberofRealEstatePropertiesDisposed
Namespace Prefix:	kbsriii_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Renewal Period

+ References

No definition available.

+ Details

Name:	kbsriii_RelatedPartyTransactionRenewalPeriod
Namespace Prefix:	kbsriii_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Termination Period

+ References

No definition available.

+ Details

Name:	kbsriii_RelatedPartyTransactionTerminationPeriod
Namespace Prefix:	kbsriii_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Selling Commissions Fees Maximum Reduction, Percent Of Sales Price

+ References

No definition available.

+ Details

Name:	kbsriii_SellingCommissionsFeesMaximumReductionPercentOfSalesPrice
Namespace Prefix:	kbsriii_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Selling Commissions Fees, Percent of Sales Price

+ References

No definition available.

+ Details

Name:	kbsriii_SellingCommissionsFeesPercentOfSalesPrice
Namespace Prefix:	kbsriii_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of obligations incurred and payable classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

+ Details

Name:	us-gaap_AccountsPayableOtherCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

+ Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- 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/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-2

+ Details

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

+ Details

Name:	us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

+ Details

Name:	us-gaap_RelatedPartyTransactionRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-8

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(1)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-4

+ Details

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

- Details

Name:	us-gaap_DividendsAxis=kbsriii_O2023H2DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=kbsriii_O2023M3DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=kbsriii_O2023M4DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=kbsriii_O2023M2DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=kbsriii_O2023M5DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=kbsriii_O2023M1DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=kbsriii_O2023M6DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=kbsriii_O2023H1DividendsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=kbsriii_KbsCapitalAdvisorsLlcOrAffiliatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=kbsriii_KbsCapitalAdvisorsLlcAffiliatesOrUnaffiliatedThirdPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=kbsriii_KbsCapitalAdvisorsLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=kbsriii_AdvisorAndDealerManagerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=kbsriii_MonthlyAssetManagementFeePaidInCashMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=kbsriii_FullyFundedBonusRetentionFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=kbsriii_BonusRetentionFundDepositMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=kbsriii_PaymentsFromBonusRetentionFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=kbsriii_DeferredAssetManagementFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=kbsriii_NonCompoundedReturnOnNetInvestedCapitalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=kbsriii_TheRenewalAdvisoryAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=kbsriii_DispositionFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=kbsriii_Carillon515CongressGatewayTechCenter20117thStreetAndAccentureTowerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=kbsriii_AccentureTowerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=kbsriii_PortfolioLoanPropertiesAccentureTowerTheAlmadenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=kbsriii_A60SouthSixthMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=kbsriii_A515CongressGatewayTechCenterAnd20117thStreetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=kbsriii_ModifiedPortfolioRevolvingLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=kbsriii_PortfolioLoanPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=kbsriii_AmendedAndRestatedPortfolioLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_OfficeBuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=kbsriii_MixeduseOfficeRetailPropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) $ / shares in Units, $ in Thousands							1 Months Ended			6 Months Ended	12 Months Ended
	Jan. 27, 2026	Feb. 06, 2025	Dec. 20, 2024	Nov. 22, 2024	Nov. 08, 2022	Oct. 01, 2022 USD ($)	Nov. 30, 2024 property	Feb. 29, 2024 USD ($) property investment_instrument	Dec. 31, 2023 USD ($)	Jun. 30, 2023 $ / shares	Dec. 31, 2025 USD ($) property executive_officer director $ / shares shares	Dec. 31, 2024 USD ($) property investment_instrument $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Oct. 11, 2024 USD ($)	Sep. 30, 2022 USD ($)
Derivative [Line Items]
Impairment of real estate											$ 65,475	$ 6,847	$ 45,459
Gain (loss) on settlement of early terminated swaps											$ 0	(6,552)	$ 0
Dividend reinvestment plan, purchase price per share as percent of estimated value											95.00%
Restricted cash											$ 38,557	11,090
Due to affiliate											$ 19,817	$ 19,520
Antidilutive securities (in shares) \| shares											0	0	0
Distributions declared per common share (in dollars per share) \| $ / shares											$ 0	$ 0
O 2023 H2 Dividends
Derivative [Line Items]
Distributions declared per common share (in dollars per share) \| $ / shares													$ 0
O 2023 M3 Dividends
Derivative [Line Items]
Distributions declared per common share (in dollars per share) \| $ / shares										$ 0.03833333
O 2023 M4 Dividends
Derivative [Line Items]
Distributions declared per common share (in dollars per share) \| $ / shares										0.03833333
O 2023 M2 Dividends
Derivative [Line Items]
Distributions declared per common share (in dollars per share) \| $ / shares										0.03833333
O 2023 M5 Dividends
Derivative [Line Items]
Distributions declared per common share (in dollars per share) \| $ / shares										0.03833333
O 2023 M1 Dividends
Derivative [Line Items]
Distributions declared per common share (in dollars per share) \| $ / shares										0.03833333
O 2023 M6 Dividends
Derivative [Line Items]
Distributions declared per common share (in dollars per share) \| $ / shares										$ 0.03833333
O 2023 H1 Dividends
Derivative [Line Items]
Distributions declared per common share (in dollars per share) \| $ / shares													$ 0.230
KBS Capital Advisors LLC or Affiliates
Derivative [Line Items]
Disposition fees paid, percent of sales price											1.00%
KBS Capital Advisors LLC, Affiliates or Unaffiliated Third Parties \| Maximum
Derivative [Line Items]
Disposition fees paid, percent of sales price											6.00%
KBS Capital Advisors LLC
Derivative [Line Items]
Monthly asset management fee, percent of acquisition expense, excluding acquisition fees related to thereto											0.0625%
Advisor and Dealer Manager
Derivative [Line Items]
Incurred costs (reimbursement)											$ 20,087	$ 20,859	$ 21,259
Advisor and Dealer Manager \| Related Party
Derivative [Line Items]
Due to affiliate											$ 19,817	19,520
Advisor and Dealer Manager \| Monthly Asset Management Fee, Paid in Cash
Derivative [Line Items]
Incurred costs (reimbursement)						$ 1,150
Advisor and Dealer Manager \| Fully Funded Bonus Retention Fund
Derivative [Line Items]
Incurred costs (reimbursement)									$ 8,500
Advisor and Dealer Manager \| Fully Funded Bonus Retention Fund \| Related Party
Derivative [Line Items]
Number of company executive officers \| executive_officer											2
Number of company directors \| director											1
Advisor and Dealer Manager \| Bonus Retention Fund Deposit \| Related Party
Derivative [Line Items]
Restricted cash											$ 8,500
Due to affiliate											8,500	8,500
Advisor and Dealer Manager \| Payments from Bonus Retention Fund
Derivative [Line Items]
Incurred costs (reimbursement)											0
Advisor and Dealer Manager \| Deferred Asset Management Fees
Derivative [Line Items]
Due to affiliate															$ 8,500
Advisor and Dealer Manager \| Deferred Asset Management Fees \| Related Party
Derivative [Line Items]
Due to affiliate											$ 8,500	8,500
Advisor and Dealer Manager \| Non Compounded Return on Net Invested Capital
Derivative [Line Items]
Related party transaction, rate											8.00%
Advisor and Dealer Manager \| The Renewal Advisory Agreement \| Related Party
Derivative [Line Items]
Renewal period					1 year
Termination period					60 days
Advisor and Dealer Manager \| Disposition fees
Derivative [Line Items]
Incurred costs (reimbursement)											$ 1,545	914	$ 0
Due to affiliate														$ 500
Advisor and Dealer Manager \| Disposition fees \| Related Party
Derivative [Line Items]
Due to affiliate											$ 0	500
Carillon, 515 Congress, Gateway Tech Center, 201 17th Street, and Accenture Tower
Derivative [Line Items]
Debt instrument, asset management fees, number of associated properties \| property											5
Debt instrument, asset management fees, percentage				0.90
Debt instrument, remaining of asset management fees, percentage				0.10
Carillon, 515 Congress, Gateway Tech Center, 201 17th Street, and Accenture Tower \| Advisor and Dealer Manager \| Disposition fees
Derivative [Line Items]
Selling commissions fees maximum reduction, percent of sales price				0.65%
Accenture Tower (7)
Derivative [Line Items]
Debt instrument, remaining of asset management fees, percentage			0.10
Portfolio Loan Properties, Accenture Tower, The Almaden \| Advisor and Dealer Manager \| Disposition fees \| Related Party
Derivative [Line Items]
Selling commissions fees maximum reduction, percent of sales price		0.65%
60 South Sixth
Derivative [Line Items]
Impairment of real estate												$ 6,800
515 Congress, Gateway Tech Center and 201 17th Street \| Modified Portfolio Revolving Loan Facility \| Secured Debt \| Subsequent Event
Derivative [Line Items]
Debt instrument, asset management fees, percentage	0.90
Debt instrument, remaining of asset management fees, percentage	0.10
Portfolio Loan Properties \| Amended and Restated Portfolio Loan Facility
Derivative [Line Items]
Debt instrument, remaining of asset management fees, percentage		0.10
Portfolio Loan Properties \| Amended and Restated Portfolio Loan Facility \| Secured Debt
Derivative [Line Items]
Debt instrument, asset management fees, percentage		0.90
Debt instrument, remaining of asset management fees, percentage		0.10
Interest rate swaps \| Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, number of instruments terminated \| investment_instrument								2				2
Gain (loss) on settlement of early terminated swaps								$ 6,600				$ 6,600
Disposed of by Sale
Derivative [Line Items]
Number of real estate properties disposed \| property							1	1				2
Office Building \| 60 South Sixth
Derivative [Line Items]
Impairment of real estate											$ 20,700
Office Building \| Disposed of by Sale
Derivative [Line Items]
Number of real estate properties disposed \| property											1
Mixed-use Office/Retail Property \| Disposed of by Sale
Derivative [Line Items]
Number of real estate properties disposed \| property											1