$KBSR
KBS Real Estate Investment Trust III, Inc. Stock $kbsr

$kbsr Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000148243022000043 Filed on August 15, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2021 Q4
Revenue	$80.22M	$72.74M	$75.11M
YoY Change	9.8%	-1.51%	-3.38%
Cost Of Revenue	$37.83M	$36.56M	$38.72M
YoY Change	1.37%	4.01%
Gross Profit	$42.39M	$36.18M	$36.39M
YoY Change	18.6%	-6.52%
Gross Profit Margin	52.84%	49.74%	48.45%
Selling, General & Admin	$1.889M	$2.014M	$893.0K
YoY Change	16.53%	7.13%
% of Gross Profit	4.46%	5.57%	2.45%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$29.91M	$26.64M	$27.37M
YoY Change	5.68%	-4.59%
% of Gross Profit	70.56%	73.62%	75.2%
Operating Expenses	$31.79M	$28.65M	$28.26M
YoY Change	6.27%	-3.85%
Operating Profit	$10.59M	$7.531M	$8.133M
YoY Change	82.04%	-15.46%
Interest Expense	$17.20M	$11.20M	$16.60M
YoY Change	77.32%	34.94%
% of Operating Profit	162.4%	148.72%	204.11%
Other Income/Expense, Net	-$29.13M	-$19.99M
YoY Change	-1914.7%	-25400.0%
Pretax Income	-$15.50M	-$16.16M	$118.4M
YoY Change	593.33%	-18460.23%
Income Tax
% Of Pretax Income
Net Earnings	-$15.50M	-$16.16M	$118.4M
YoY Change	593.33%	-18460.23%	-53666.06%
Net Earnings / Revenue	-19.32%	-22.21%	157.61%
Basic Earnings Per Share	-$0.11	-$0.11
Diluted Earnings Per Share	-$0.11	-$0.11	$758.9K
COMMON SHARES
Basic Shares Outstanding	147.1M shares	149.3M shares	156.0M shares
Diluted Shares Outstanding	147.2M shares	149.3M shares

Balance Sheet

Concept	2022 Q3	2022 Q2	2021 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$43.04M	$36.77M	$44.40M
YoY Change	12.71%	-73.14%
Cash & Equivalents	$43.04M	$36.77M	$44.40M
Short-Term Investments
Other Short-Term Assets	$114.4M	$93.92M	$70.01M
YoY Change	59.14%	24.8%
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$249.8M	$217.7M	$203.3M
YoY Change	24.77%	-27.83%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.902B	$1.896B	$1.868B
YoY Change	-1.06%	-1.97%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$116.6M	$145.7M	$0.00
YoY Change	-46.7%	-35.83%	-100.0%
Other Assets	$1.241M	$1.765M	$2.032M
YoY Change	-85.66%	-37.52%
Total Long-Term Assets	$2.020B	$2.044B	$2.051B
YoY Change	-6.04%	-5.57%
TOTAL ASSETS
Total Short-Term Assets	$249.8M	$217.7M	$203.3M
Total Long-Term Assets	$2.020B	$2.044B	$2.051B
Total Assets	$2.270B	$2.262B	$2.254B
YoY Change	-3.42%	-8.3%	-9.99%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$59.92M	$48.19M	$58.32M
YoY Change	18.04%	-1.18%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$76.65M	$60.56M	$74.18M
YoY Change	13.24%	3.76%
LONG-TERM LIABILITIES
Long-Term Debt	$1.632B	$1.598B	$1.465B
YoY Change	2.42%	-2.84%
Other Long-Term Liabilities	$60.13M	$52.36M	$52.06M
YoY Change	-24.18%	-35.18%
Total Long-Term Liabilities	$1.693B	$1.651B	$1.517B
YoY Change	1.16%	-4.35%
TOTAL LIABILITIES
Total Short-Term Liabilities	$76.65M	$60.56M	$74.18M
Total Long-Term Liabilities	$1.693B	$1.651B	$1.517B
Total Liabilities	$1.769B	$1.711B	$1.592B
YoY Change	1.63%	-4.08%	2.06%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$1.473M	$1.473M	$1.532M
YoY Change	-6.3%	-20.89%	-16.83%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$485.1M	$522.2M	$620.2M
YoY Change
Total Liabilities & Shareholders Equity	$2.270B	$2.262B	$2.254B
YoY Change	-3.42%	-8.3%	-9.99%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2021 Q4
OPERATING ACTIVITIES
Net Income	-$15.50M	-$16.16M	$118.4M
YoY Change	593.33%	-18460.23%	-53666.06%
Depreciation, Depletion And Amortization	$29.91M	$26.64M	$27.37M
YoY Change	5.68%	-4.59%
Cash From Operating Activities	$35.23M	$16.00M	$24.56M
YoY Change	9.26%	-42.25%
INVESTING ACTIVITIES
Capital Expenditures			$0.00
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$28.79M	-$40.69M	$179.4M
YoY Change	62.77%	189.03%
Cash From Investing Activities	-$28.79M	-$40.69M	$179.4M
YoY Change	62.77%	189.03%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-708.0K	17.43M	-196.5M
YoY Change	-99.39%	-167.28%
NET CHANGE
Cash From Operating Activities	35.23M	16.00M	24.56M
Cash From Investing Activities	-28.79M	-40.69M	179.4M
Cash From Financing Activities	-708.0K	17.43M	-196.5M
Net Change In Cash	5.741M	-7.268M	7.460M
YoY Change	-105.7%	-40.82%
FREE CASH FLOW
Cash From Operating Activities	$35.23M	$16.00M	$24.56M
Capital Expenditures			$0.00
Free Cash Flow			$24.56M
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Entity Central Index Key EntityCentralIndexKey	0001482430
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	000-54687
	dei	Entity Registrant Name EntityRegistrantName	KBS REAL ESTATE INVESTMENT TRUST III, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-1627696
	dei	Entity Address Address Line1 EntityAddressAddressLine1	800 Newport Center Drive, Suite 700
	dei	Entity Address City Or Town EntityAddressCityOrTown	Newport Beach,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	92660
	dei	City Area Code CityAreaCode	949
	dei	Local Phone Number LocalPhoneNumber	417-6500
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	147053195	shares
CY2022Q2	us-gaap	Land Land	290121000	usd
CY2021Q4	us-gaap	Land Land	290121000	usd
CY2022Q2	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	2167563000	usd
CY2021Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	2090983000	usd
CY2022Q2	kbsriii	Tenant Origination And Absorption Costs Gross TenantOriginationAndAbsorptionCostsGross	52512000	usd
CY2021Q4	kbsriii	Tenant Origination And Absorption Costs Gross TenantOriginationAndAbsorptionCostsGross	60162000	usd
CY2022Q2	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2510196000	usd
CY2021Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2441266000	usd
CY2022Q2	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	613767000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	572968000	usd
CY2022Q2	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1896429000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1868298000	usd
CY2022Q2	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	145693000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	180228000	usd
CY2022Q2	kbsriii	Real Estate And Real Estate Related Investments Net RealEstateAndRealEstateRelatedInvestmentsNet	2042122000	usd
CY2021Q4	kbsriii	Real Estate And Real Estate Related Investments Net RealEstateAndRealEstateRelatedInvestmentsNet	2048526000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	36774000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	44404000	usd
CY2022Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1765000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2032000	usd
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	86950000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	88534000	usd
CY2022Q2	kbsriii	Above Market Leases Net AboveMarketLeasesNet	303000	usd
CY2021Q4	kbsriii	Above Market Leases Net AboveMarketLeasesNet	348000	usd
CY2022Q2	us-gaap	Due From Related Parties DueFromRelatedParties	83000	usd
CY2021Q4	us-gaap	Due From Related Parties DueFromRelatedParties	343000	usd
CY2022Q2	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	93917000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	70014000	usd
CY2022Q2	us-gaap	Assets Assets	2261914000	usd
CY2021Q4	us-gaap	Assets Assets	2254201000	usd
CY2022Q2	us-gaap	Notes Payable NotesPayable	1598385000	usd
CY2021Q4	us-gaap	Notes Payable NotesPayable	1465398000	usd
CY2022Q2	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	48189000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	58323000	usd
CY2022Q2	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	4970000	usd
CY2021Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	8126000	usd
CY2022Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	7404000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	7735000	usd
CY2022Q2	us-gaap	Below Market Lease Net BelowMarketLeaseNet	2445000	usd
CY2021Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	3277000	usd
CY2022Q2	us-gaap	Other Liabilities OtherLiabilities	49910000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	48780000	usd
CY2022Q2	us-gaap	Liabilities Liabilities	1711303000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	1591639000	usd
CY2022Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q2	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	28401000	usd
CY2021Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	42369000	usd
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	147273576	shares
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	147273576	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	153150766	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	153150766	shares
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	1473000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	1532000	usd
CY2022Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1275423000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1322613000	usd
CY2022Q2	us-gaap	Accumulated Distributions In Excess Of Net Income AccumulatedDistributionsInExcessOfNetIncome	754686000	usd
CY2021Q4	us-gaap	Accumulated Distributions In Excess Of Net Income AccumulatedDistributionsInExcessOfNetIncome	703952000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	522210000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	620193000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2261914000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2254201000	usd
CY2022Q2	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	68187000	usd
CY2021Q2	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	69774000	usd
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	137042000	usd
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	140858000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.04
CY2022Q2	us-gaap	Dividend Income Equity Securities Operating DividendIncomeEquitySecuritiesOperating	0	usd
CY2021Q2	us-gaap	Dividend Income Equity Securities Operating DividendIncomeEquitySecuritiesOperating	0	usd
	us-gaap	Dividend Income Equity Securities Operating DividendIncomeEquitySecuritiesOperating	7252000	usd
	us-gaap	Dividend Income Equity Securities Operating DividendIncomeEquitySecuritiesOperating	0	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4551000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4080000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	8744000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	7731000	usd
CY2022Q2	us-gaap	Revenues Revenues	72738000	usd
CY2021Q2	us-gaap	Revenues Revenues	73854000	usd
	us-gaap	Revenues Revenues	153038000	usd
	us-gaap	Revenues Revenues	148589000	usd
CY2022Q2	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	17456000	usd
CY2021Q2	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	16202000	usd
	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	34832000	usd
	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	32065000	usd
CY2022Q2	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	14114000	usd
CY2021Q2	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	14000000	usd
	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	28162000	usd
	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	28379000	usd
CY2022Q2	us-gaap	Affiliate Costs AffiliateCosts	4985000	usd
CY2021Q2	us-gaap	Affiliate Costs AffiliateCosts	4944000	usd
	us-gaap	Affiliate Costs AffiliateCosts	9861000	usd
	us-gaap	Affiliate Costs AffiliateCosts	9839000	usd
CY2022Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	2014000	usd
CY2021Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	1880000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3800000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3602000	usd
CY2022Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	26638000	usd
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	27920000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	53858000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	55319000	usd
CY2022Q2	us-gaap	Interest Expense InterestExpense	11170000	usd
CY2021Q2	us-gaap	Interest Expense InterestExpense	8345000	usd
	us-gaap	Interest Expense InterestExpense	19826000	usd
	us-gaap	Interest Expense InterestExpense	16678000	usd
CY2022Q2	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	7469000	usd
CY2021Q2	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-554000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	28938000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	964000	usd
CY2022Q2	us-gaap	Costs And Expenses CostsAndExpenses	68908000	usd
CY2021Q2	us-gaap	Costs And Expenses CostsAndExpenses	73845000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	121401000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	144918000	usd
CY2022Q2	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-17268000	usd
CY2021Q2	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-34535000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	usd
CY2022Q2	kbsriii	Write Off Of Prepaid Offering Costs WriteOffOfPrepaidOfferingCosts	2728000	usd
CY2021Q2	kbsriii	Write Off Of Prepaid Offering Costs WriteOffOfPrepaidOfferingCosts	0	usd
	kbsriii	Write Off Of Prepaid Offering Costs WriteOffOfPrepaidOfferingCosts	2728000	usd
	kbsriii	Write Off Of Prepaid Offering Costs WriteOffOfPrepaidOfferingCosts	0	usd
CY2022Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
CY2021Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	63000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3350000	usd
CY2022Q2	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	usd
CY2021Q2	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	usd
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	usd
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	20459000	usd
CY2022Q2	kbsriii	Otherincome Other OtherincomeOther	0	usd
CY2021Q2	kbsriii	Otherincome Other OtherincomeOther	0	usd
	kbsriii	Otherincome Other OtherincomeOther	6000	usd
	kbsriii	Otherincome Other OtherincomeOther	0	usd
CY2022Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	9000	usd
CY2021Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	16000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	17000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	31000	usd
CY2022Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-19987000	usd
CY2021Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	79000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-37240000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	23840000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-16157000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	88000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-5603000	usd
	us-gaap	Net Income Loss NetIncomeLoss	27511000	usd
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.11
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.11
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.04
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	149331890	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	149331890	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	185687307	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	185687307	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	150866501	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	150866501	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	185278533	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	185278533	shares
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	607950000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	-16157000	usd
CY2022Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	9139000	usd
CY2022Q2	kbsriii	Adjustments To Additional Paid In Capital Transfers To Redeemable Common Stock AdjustmentsToAdditionalPaidInCapitalTransfersToRedeemableCommonStock	19429000	usd
CY2021Q4	kbsriii	Maximum Number Of Weighted Average Shares Outstanding Available For Redemption During Current Calendar Year MaximumNumberOfWeightedAverageSharesOutstandingAvailableForRedemptionDuringCurrentCalendarYear	500000	shares
CY2022Q2	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	36956000	usd
CY2022Q2	us-gaap	Dividends Common Stock DividendsCommonStock	22336000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	1000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	522210000	usd
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	897819000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	88000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	14959000	usd
CY2021Q2	kbsriii	Adjustments To Additional Paid In Capital Transfers To Redeemable Common Stock AdjustmentsToAdditionalPaidInCapitalTransfersToRedeemableCommonStock	361988000	usd
CY2021Q2	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	2971000	usd
CY2021Q2	us-gaap	Dividends Common Stock DividendsCommonStock	27755000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	520152000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	620193000	usd
	us-gaap	Profit Loss ProfitLoss	-5603000	usd
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	15405000	usd
	kbsriii	Adjustments To Additional Paid In Capital Transfers From Redeemable Common Stock AdjustmentsToAdditionalPaidInCapitalTransfersFromRedeemableCommonStock	13968000	usd
	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	76621000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	45131000	usd
	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	1000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	522210000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	898036000	usd
	us-gaap	Profit Loss ProfitLoss	27511000	usd
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	26285000	usd
	kbsriii	Adjustments To Additional Paid In Capital Transfers To Redeemable Common Stock AdjustmentsToAdditionalPaidInCapitalTransfersToRedeemableCommonStock	370202000	usd
	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	6083000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	55395000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	520152000	usd
	us-gaap	Profit Loss ProfitLoss	-5603000	usd
	us-gaap	Profit Loss ProfitLoss	27511000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	53858000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	55319000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3350000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	34535000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	0	usd
	kbsriii	Distribution Of Operating Cash Flow From An Unconsolidated Entity DistributionOfOperatingCashFlowFromAnUnconsolidatedEntity	0	usd
	kbsriii	Distribution Of Operating Cash Flow From An Unconsolidated Entity DistributionOfOperatingCashFlowFromAnUnconsolidatedEntity	9904000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	4548000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	3577000	usd
	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-787000	usd
	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-1139000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1912000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1978000	usd
	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	35870000	usd
	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	9830000	usd
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	usd
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	20459000	usd
	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	2728000	usd
	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	0	usd
	kbsriii	Interest Rate Swap Settlements For Off Market Swap Instruments Operating Activities InterestRateSwapSettlementsForOffMarketSwapInstrumentsOperatingActivities	1008000	usd
	kbsriii	Interest Rate Swap Settlements For Off Market Swap Instruments Operating Activities InterestRateSwapSettlementsForOffMarketSwapInstrumentsOperatingActivities	1438000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-4949000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3033000	usd
	us-gaap	Increase Decrease In Due From Related Parties IncreaseDecreaseInDueFromRelatedParties	-260000	usd
	us-gaap	Increase Decrease In Due From Related Parties IncreaseDecreaseInDueFromRelatedParties	0	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	8801000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6823000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-15139000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-3451000	usd
	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	-3156000	usd
	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	982000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1817000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1477000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	23529000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	43993000	usd
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	54445000	usd
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	33260000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	0	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	98000000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-54445000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	64740000	usd
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	148218000	usd
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	usd
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	17143000	usd
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	33000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	60000	usd
	kbsriii	Interest Rate Swap Settlements For Off Market Swap Instruments Financing Activities InterestRateSwapSettlementsForOffMarketSwapInstrumentsFinancingActivities	1234000	usd
	kbsriii	Interest Rate Swap Settlements For Off Market Swap Instruments Financing Activities InterestRateSwapSettlementsForOffMarketSwapInstrumentsFinancingActivities	1431000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	76621000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6083000	usd
	kbsriii	Payments Of Prepaid Other Offering Costs PaymentsOfPrepaidOtherOfferingCosts	110000	usd
	kbsriii	Payments Of Prepaid Other Offering Costs PaymentsOfPrepaidOtherOfferingCosts	943000	usd
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1000	usd
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	30057000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	38298000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	23019000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-46815000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-7897000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	61918000	usd
	kbsriii	Maximum Percentage Of Weighted Average Shares Outstanding Available For Redemption During Current Calendar Year MaximumPercentageOfWeightedAverageSharesOutstandingAvailableForRedemptionDuringCurrentCalendarYear	0.05
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	46436000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	77811000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38539000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	139729000	usd
	us-gaap	Interest Paid Net InterestPaidNet	23352000	usd
	us-gaap	Interest Paid Net InterestPaidNet	22250000	usd
	kbsriii	Noncash Increases Decrease In Distributions Payable NoncashIncreasesDecreaseInDistributionsPayable	7404000	usd
	kbsriii	Noncash Increases Decrease In Distributions Payable NoncashIncreasesDecreaseInDistributionsPayable	0	usd
	kbsriii	Distributions Paid To Common Stockholders Through Common Stock Issuances Pursuant To Dividend Reinvestment Plan DistributionsPaidToCommonStockholdersThroughCommonStockIssuancesPursuantToDividendReinvestmentPlan	15405000	usd
	kbsriii	Distributions Paid To Common Stockholders Through Common Stock Issuances Pursuant To Dividend Reinvestment Plan DistributionsPaidToCommonStockholdersThroughCommonStockIssuancesPursuantToDividendReinvestmentPlan	26285000	usd
	kbsriii	Accrued Prepaid Other Offering Costs AccruedPrepaidOtherOfferingCosts	3000	usd
	kbsriii	Accrued Prepaid Other Offering Costs AccruedPrepaidOtherOfferingCosts	464000	usd
	kbsriii	Noncash Increase In Redeemable Common Stock NoncashIncreaseInRedeemableCommonStock	0	usd
	kbsriii	Noncash Increase In Redeemable Common Stock NoncashIncreaseInRedeemableCommonStock	254737000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	23185000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	15536000	usd
CY2020Q4	kbsriii	Estimated Value Per Share Of Companys Common Stock EstimatedValuePerShareOfCompanysCommonStock	10.74
	kbsriii	Accrued Interest Rate Swap Settlements Related To Off Market Swap Instruments AccruedInterestRateSwapSettlementsRelatedToOffMarketSwapInstruments	32000	usd
	kbsriii	Accrued Interest Rate Swap Settlements Related To Off Market Swap Instruments AccruedInterestRateSwapSettlementsRelatedToOffMarketSwapInstruments	252000	usd
	us-gaap	Use Of Estimates UseOfEstimates	The preparation of the consolidated financial statements and condensed notes thereto in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and condensed notes. Actual results could materially differ from those estimates.
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain amounts in the Company’s prior period consolidated financial statements have been reclassified to conform to the current period presentation. These reclassifications have not changed the results of operations of prior periods. During the three and six months ended June 30, 2022, the Company presented gains and losses on derivative instruments separate from interest expense on the Company’s consolidated statement of operations. Accordingly, the Company’s gains and losses on derivative instruments were reclassified for all periods presented.
CY2022Q2	kbsriii	Dividend Reinvestment Plan Purchase Price Per Shareas Percentof Estimated Value DividendReinvestmentPlanPurchasePricePerShareasPercentofEstimatedValue	0.95
CY2021Q4	kbsriii	Dividend Reinvestment Plan Purchase Price Per Share DividendReinvestmentPlanPurchasePricePerShare	10.24
CY2021Q1	kbsriii	Dividend Reinvestment Plan Purchase Price Per Share DividendReinvestmentPlanPurchasePricePerShare	10.21
CY2021Q2	kbsriii	Estimated Value Per Share Of Companys Common Stock EstimatedValuePerShareOfCompanysCommonStock	10.77
CY2021Q2	kbsriii	Dividend Reinvestment Plan Purchase Price Per Share DividendReinvestmentPlanPurchasePricePerShare	10.23
CY2021Q4	kbsriii	Estimated Value Per Share Of Companys Common Stock EstimatedValuePerShareOfCompanysCommonStock	10.78
CY2021Q4	kbsriii	Share Redemption Program Share Limitation For Special Redemptions ShareRedemptionProgramShareLimitationForSpecialRedemptions	500000	shares
	kbsriii	Maximum Percentage Of Weighted Average Shares Outstanding Available For Redemption During Any Calendar Year MaximumPercentageOfWeightedAverageSharesOutstandingAvailableForRedemptionDuringAnyCalendarYear	0.05
	kbsriii	Redemption Price Percentage Of Most Recent Estimated Value Per Share RedemptionPricePercentageOfMostRecentEstimatedValuePerShare	0.95
	kbsriii	Redemption Price Percentage Of Most Recent Estimated Value Per Share RedemptionPricePercentageOfMostRecentEstimatedValuePerShare	0.96
CY2020Q4	kbsriii	Estimated Value Per Share Of Companys Common Stock EstimatedValuePerShareOfCompanysCommonStock	10.74
CY2021Q2	kbsriii	Estimated Value Per Share Of Companys Common Stock EstimatedValuePerShareOfCompanysCommonStock	10.77
CY2021Q4	kbsriii	Estimated Value Per Share Of Companys Common Stock EstimatedValuePerShareOfCompanysCommonStock	10.78
	kbsriii	Write Off Of Offering Costs WriteOffOfOfferingCosts	2700000	usd
CY2022Q2	kbsriii	Write Off Of Offering Costs WriteOffOfOfferingCosts	2700000	usd
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.149
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.298
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.149
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.298
	kbsriii	Common Share Distribution Rate For Share Per Month Declared CommonShareDistributionRateForSharePerMonthDeclared	0.04983333
	kbsriii	Common Share Distribution Rate For Share Per Month Declared CommonShareDistributionRateForSharePerMonthDeclared	0.04983333
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2022Q2	kbsriii	Grants Of Rent Deferrals Covid19 GrantsOfRentDeferralsCOVID19	4000000	usd
CY2022Q2	kbsriii	Grants Of Rental Abatements Covid19 GrantsOfRentalAbatementsCOVID19	4300000	usd
CY2022Q2	kbsriii	Deferred Lease Concessions Covid19 DeferredLeaseConcessionsCOVID19	700000	usd
CY2022Q2	kbsriii	Reserve For Payments Not Probable To Collect Covid19 ReserveForPaymentsNotProbableToCollectCOVID19	400000	usd
CY2022Q2	kbsriii	Reversal Of Rental Income For Abatements Granted To Tenants Covid19 ReversalOfRentalIncomeForAbatementsGrantedToTenantsCOVID19	900000	usd
	kbsriii	Reversal Of Rental Income For Abatements Granted To Tenants Covid19 ReversalOfRentalIncomeForAbatementsGrantedToTenantsCOVID19	1300000	usd
CY2021Q2	kbsriii	Reversal Of Rental Income For Abatements Granted To Tenants Covid19 ReversalOfRentalIncomeForAbatementsGrantedToTenantsCOVID19	200000	usd
	kbsriii	Reversal Of Rental Income For Abatements Granted To Tenants Covid19 ReversalOfRentalIncomeForAbatementsGrantedToTenantsCOVID19	600000	usd
CY2022Q2	us-gaap	Area Of Real Estate Property AreaOfRealEstateProperty	7300000	sqft
CY2022Q2	kbsriii	Percentage Of Real Estate Portfolio Occupied PercentageOfRealEstatePortfolioOccupied	0.800
CY2022Q2	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2510196000	usd
CY2022Q2	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	613767000	usd
CY2022Q2	kbsriii	Real Estate Investment Property Excluding Held For Sale RealEstateInvestmentPropertyExcludingHeldForSale	1896429000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	4500000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	3600000	usd
CY2022Q2	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	82500000	usd
CY2021Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	85200000	usd
CY2022Q2	us-gaap	Incentive To Lessee IncentiveToLessee	15600000	usd
CY2021Q4	us-gaap	Incentive To Lessee IncentiveToLessee	22800000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear	100665000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	190030000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	179698000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	160872000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	141719000	usd
CY2022Q2	kbsriii	Lessor Operating Lease Payment To Be Received After Year Four LessorOperatingLeasePaymentToBeReceivedAfterYearFour	529616000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	1302600000	usd
CY2022Q2	us-gaap	Below Market Lease Gross BelowMarketLeaseGross	10876000	usd
CY2021Q4	us-gaap	Below Market Lease Gross BelowMarketLeaseGross	15395000	usd
CY2022Q2	kbsriii	Tenant Origination And Absorption Costs Accumulated Amortization TenantOriginationAndAbsorptionCostsAccumulatedAmortization	36975000	usd
CY2022Q2	kbsriii	Number Of Tenants NumberOfTenants	560	tenant
CY2022Q2	kbsriii	Annualized Base Rent AnnualizedBaseRent	62055000	usd
CY2022Q2	kbsriii	Tenant Origination And Absorption Costs Gross TenantOriginationAndAbsorptionCostsGross	52512000	usd
CY2021Q4	kbsriii	Tenant Origination And Absorption Costs Gross TenantOriginationAndAbsorptionCostsGross	60162000	usd
CY2022Q2	kbsriii	Above Market Leases Gross AboveMarketLeasesGross	983000	usd
CY2021Q4	kbsriii	Above Market Leases Gross AboveMarketLeasesGross	1112000	usd
CY2021Q4	kbsriii	Tenant Origination And Absorption Costs Accumulated Amortization TenantOriginationAndAbsorptionCostsAccumulatedAmortization	41387000	usd
CY2022Q2	kbsriii	Above Market Leases Accumulated Amortization AboveMarketLeasesAccumulatedAmortization	680000	usd
CY2021Q4	kbsriii	Above Market Leases Accumulated Amortization AboveMarketLeasesAccumulatedAmortization	764000	usd
CY2022Q2	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	8431000	usd
CY2021Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	12118000	usd
CY2022Q2	kbsriii	Tenant Origination And Absorption Costs Net TenantOriginationAndAbsorptionCostsNet	15537000	usd
CY2021Q4	kbsriii	Tenant Origination And Absorption Costs Net TenantOriginationAndAbsorptionCostsNet	18775000	usd
CY2022Q2	kbsriii	Above Market Leases Net AboveMarketLeasesNet	303000	usd
CY2021Q4	kbsriii	Above Market Leases Net AboveMarketLeasesNet	348000	usd
CY2022Q2	us-gaap	Below Market Lease Net BelowMarketLeaseNet	2445000	usd
CY2021Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	3277000	usd
CY2022Q2	kbsriii	Tenant Origination And Absorption Costs Amortization Expense TenantOriginationAndAbsorptionCostsAmortizationExpense	1458000	usd
CY2021Q2	kbsriii	Tenant Origination And Absorption Costs Amortization Expense TenantOriginationAndAbsorptionCostsAmortizationExpense	2067000	usd
CY2022Q2	kbsriii	Above Market Leases Amortization Expense AboveMarketLeasesAmortizationExpense	21000	usd
CY2021Q2	kbsriii	Above Market Leases Amortization Expense AboveMarketLeasesAmortizationExpense	26000	usd
CY2022Q2	kbsriii	Off Market Lease Unfavorable Amortization Expense OffMarketLeaseUnfavorableAmortizationExpense	391000	usd
CY2021Q2	kbsriii	Off Market Lease Unfavorable Amortization Expense OffMarketLeaseUnfavorableAmortizationExpense	587000	usd
	kbsriii	Tenant Origination And Absorption Costs Amortization Expense TenantOriginationAndAbsorptionCostsAmortizationExpense	3238000	usd
	kbsriii	Tenant Origination And Absorption Costs Amortization Expense TenantOriginationAndAbsorptionCostsAmortizationExpense	4169000	usd
	kbsriii	Above Market Leases Amortization Expense AboveMarketLeasesAmortizationExpense	45000	usd
	kbsriii	Above Market Leases Amortization Expense AboveMarketLeasesAmortizationExpense	52000	usd
	kbsriii	Off Market Lease Unfavorable Amortization Expense OffMarketLeaseUnfavorableAmortizationExpense	832000	usd
	kbsriii	Off Market Lease Unfavorable Amortization Expense OffMarketLeaseUnfavorableAmortizationExpense	1191000	usd
CY2022Q2	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	17300000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	34500000	usd
CY2021Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	100000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3400000	usd
CY2022Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1603365000	usd
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1472290000	usd
CY2022Q2	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	4980000	usd
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	6892000	usd
CY2022Q2	us-gaap	Long Term Debt LongTermDebt	1598385000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	1465398000	usd
CY2022Q2	us-gaap	Interest Expense InterestExpense	11200000	usd
	us-gaap	Interest Expense InterestExpense	19800000	usd
CY2021Q2	us-gaap	Interest Expense InterestExpense	8300000	usd
	us-gaap	Interest Expense InterestExpense	16700000	usd
CY2022Q2	us-gaap	Interest Payable Current InterestPayableCurrent	4300000	usd
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	4000000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	871000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1248284000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	354210000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	usd
CY2022Q2	kbsriii	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	0	usd
CY2022Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1603365000	usd
CY2022Q2	kbsriii	Non Compounded Returnon Net Invested Capital NonCompoundedReturnonNetInvestedCapital	0.08
CY2022Q2	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	1603365000	usd
CY2021Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	1472290000	usd
CY2022Q2	us-gaap	Payment For Administrative Fees PaymentForAdministrativeFees	56000	usd
	us-gaap	Payment For Administrative Fees PaymentForAdministrativeFees	102000	usd
CY2021Q2	us-gaap	Payment For Administrative Fees PaymentForAdministrativeFees	102000	usd
	us-gaap	Payment For Administrative Fees PaymentForAdministrativeFees	232000	usd
CY2022Q2	kbsriii	Non Compounded Returnon Net Invested Capital NonCompoundedReturnonNetInvestedCapital	0.080
CY2022Q2	kbsriii	Non Compounded Returnon Net Invested Capital NonCompoundedReturnonNetInvestedCapital	0.08
	kbsriii	Write Off Of Offering Costs WriteOffOfOfferingCosts	2700000	usd
CY2022Q2	kbsriii	Write Off Of Offering Costs WriteOffOfOfferingCosts	2700000	usd
	us-gaap	Professional Fees ProfessionalFees	500000	usd
CY2022Q2	us-gaap	Professional Fees ProfessionalFees	500000	usd

Files In Submission

Name	View Source	Status
0001482430-22-000043-index-headers.html	Edgar Link	pending
0001482430-22-000043-index.html	Edgar Link	pending
0001482430-22-000043.txt	Edgar Link	pending
0001482430-22-000043-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
kbsriii-20220630.htm	Edgar Link	pending
kbsriii-20220630.xsd	Edgar Link	pending
kbsriiiq22022exhibit311.htm	Edgar Link	pending
kbsriiiq22022exhibit312.htm	Edgar Link	pending
kbsriiiq22022exhibit321.htm	Edgar Link	pending
kbsriiiq22022exhibit322.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
kbsriii-20220630_cal.xml	Edgar Link	unprocessable
kbsriii-20220630_def.xml	Edgar Link	unprocessable
kbsriii-20220630_lab.xml	Edgar Link	unprocessable
kbsriii-20220630_pre.xml	Edgar Link	unprocessable
kbsriii-20220630_htm.xml	Edgar Link	completed
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R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$KBSR
KBS Real Estate Investment Trust III, Inc. Stock $kbsr

2022 Q3 Form 10-Q Financial Statement

#000148243022000043 Filed on August 15, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KBSR KBS Real Estate Investment Trust III, Inc. Stock $kbsr

2022 Q3 Form 10-Q Financial Statement

#000148243022000043 Filed on August 15, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KBSR
KBS Real Estate Investment Trust III, Inc. Stock $kbsr