$KRC
Kilroy Realty Corp Stock $krc

$krc Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000102599623000072 Filed on February 10, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$292.8M	$284.3M	$1.097B
YoY Change	10.28%	8.91%	14.86%
Cost Of Revenue	$84.38M	$84.57M	$316.2M
YoY Change	15.4%	22.45%	18.72%
Gross Profit	$208.4M	$199.8M	$780.8M
YoY Change	8.34%	4.04%	13.37%
Gross Profit Margin	71.18%	70.26%	71.18%
Selling, General & Admin	$25.31M	$26.62M	$98.52M
YoY Change	6.36%	10.26%	2.63%
% of Gross Profit	12.14%	13.33%	12.62%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$91.67M	$91.40M	$350.7M
YoY Change	5.37%	4.68%	15.43%
% of Gross Profit	43.98%	45.75%	44.91%
Operating Expenses	$203.4M	$118.0M	$772.3M
YoY Change	9.58%	5.89%	14.86%
Operating Profit	$5.064M	$81.76M	$8.499M
YoY Change	-25.61%	1.48%	-47.97%
Interest Expense	$25.67M	-$22.29M	$84.28M
YoY Change	24.47%	20.49%	7.29%
% of Operating Profit	506.93%	-27.26%	991.62%
Other Income/Expense, Net	-$24.21M		-$65.18M
YoY Change	17.85%		-117.32%
Pretax Income	$65.23M	$59.48M	$259.5M
YoY Change	9.85%	7.89%	-60.62%
Income Tax			$0.00
% Of Pretax Income			0.0%
Net Earnings	$65.23M	$52.33M	$259.5M
YoY Change	9.85%	9.84%	-60.62%
Net Earnings / Revenue	22.28%	18.4%	23.66%
Basic Earnings Per Share	$0.48		$1.98
Diluted Earnings Per Share	$0.48	$0.45	$1.97
COMMON SHARES
Basic Shares Outstanding	117.1M shares	116.9M shares	116.8M shares
Diluted Shares Outstanding	117.4M shares		117.2M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$476.4M	$347.4M	$347.4M
YoY Change	43.62%	-16.11%	-16.11%
Cash & Equivalents	$476.4M	$347.4M	$347.4M
Short-Term Investments		$23.55M
Other Short-Term Assets	$58.82M	$52.63M	$1.564M
YoY Change	16.39%	318.89%	-87.55%
Inventory
Prepaid Expenses
Receivables	$15.93M	$20.58M	$472.8M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.009B	$872.8M	$821.7M
YoY Change	23.77%	3.08%	-2.95%
LONG-TERM ASSETS
Property, Plant & Equipment	$9.694B	$9.640B	$9.682B
YoY Change	2.31%	1.91%	2.35%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$23.29M	$23.55M	$23.55M
YoY Change	-9.84%	-14.3%	-14.3%
Other Assets	$243.0M	$260.6M	$260.6M
YoY Change	-2.11%	5.33%	5.33%
Total Long-Term Assets	$9.960B	$9.924B	$9.975B
YoY Change	2.16%	1.93%	2.45%
TOTAL ASSETS
Total Short-Term Assets	$1.009B	$872.8M	$821.7M
Total Long-Term Assets	$9.960B	$9.924B	$9.975B
Total Assets	$10.97B	$10.80B	$10.80B
YoY Change	3.83%	2.02%	2.02%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$418.9M	$392.4M	$392.4M
YoY Change	6.88%	0.28%	0.28%
Accrued Expenses	$124.8M	$125.0M	$125.0M
YoY Change	-0.46%	-0.44%	-0.44%
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	$608.2M	$581.6M	$581.6M
YoY Change	4.99%	0.51%	0.51%
LONG-TERM LIABILITIES
Long-Term Debt	$4.413B	$4.263B	$4.263B
YoY Change	8.46%	4.77%	4.77%
Other Long-Term Liabilities	$276.2M	$277.4M	$277.4M
YoY Change	9.9%	12.71%	12.71%
Total Long-Term Liabilities	$4.689B	$4.540B	$4.540B
YoY Change	8.54%	5.23%	5.23%
TOTAL LIABILITIES
Total Short-Term Liabilities	$608.2M	$581.6M	$581.6M
Total Long-Term Liabilities	$4.689B	$4.540B	$4.540B
Total Liabilities	$5.297B	$5.122B	$5.360B
YoY Change	8.12%	4.67%	4.21%
SHAREHOLDERS EQUITY
Retained Earnings	$257.1M	$265.1M
YoY Change	-6.24%	-6.54%
Common Stock	$1.171M	$1.169M
YoY Change	0.34%	0.34%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$5.434B	$5.437B	$5.437B
YoY Change
Total Liabilities & Shareholders Equity	$10.97B	$10.80B	$10.80B
YoY Change	3.83%	2.02%	2.02%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$65.23M	$52.33M	$259.5M
YoY Change	9.85%	9.84%	-60.62%
Depreciation, Depletion And Amortization	$91.67M	$91.40M	$350.7M
YoY Change	5.37%	4.68%	15.43%
Cash From Operating Activities	$182.1M	$108.0M	$592.2M
YoY Change	1.95%	-0.77%	14.68%
INVESTING ACTIVITIES
Capital Expenditures	$121.3M	$146.3M	$586.6M
YoY Change	-171.64%	-200.01%	-132.63%
Acquisitions
YoY Change
Other Investing Activities		$0.00	$33.42M
YoY Change		-100.0%	-96.82%
Cash From Investing Activities	-$121.3M	-$146.3M	-$553.2M
YoY Change	-28.36%	32.12%	-26.03%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$68.19M	122.7M	-$118.7M
YoY Change	-174.38%	81.7%	-27.85%
NET CHANGE
Cash From Operating Activities	$182.1M	108.0M	$592.2M
Cash From Investing Activities	-$121.3M	-146.3M	-$553.2M
Cash From Financing Activities	$68.19M	122.7M	-$118.7M
Net Change In Cash	$129.0M	84.39M	-$79.70M
YoY Change	-256.55%	28.59%	-79.88%
FREE CASH FLOW
Cash From Operating Activities	$182.1M	$108.0M	$592.2M
Capital Expenditures	$121.3M	$146.3M	$586.6M
Free Cash Flow	$60.79M	-$38.33M	$5.626M
YoY Change	-82.53%	-115.02%	-99.76%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001025996
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
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CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	1-12675
CY2022	dei	Entity Registrant Name EntityRegistrantName	KILROY REALTY CORPORATION
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-4598246
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	12200 W. Olympic Boulevard
CY2022	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 200
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Los Angeles
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	90064
CY2022	dei	City Area Code CityAreaCode	(310)
CY2022	dei	Local Phone Number LocalPhoneNumber	481-8400
CY2022	dei	Security12b Title Security12bTitle	Common Stock, $.01 par value
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Trading Symbol TradingSymbol	KRC
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	6078528830	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	117087139	shares
CY2022	dei	Auditor Firm AuditorFirmId	34
CY2022	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2022	dei	Auditor Location AuditorLocation	Los Angeles, California
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CY2021	krc	Net Income Loss Attributableto Noncontrolling Interestin Consolidated Subsidiary NetIncomeLossAttributabletoNoncontrollingInterestinConsolidatedSubsidiary	24603000	usd
CY2020	krc	Net Income Loss Attributableto Noncontrolling Interestin Consolidated Subsidiary NetIncomeLossAttributabletoNoncontrollingInterestinConsolidatedSubsidiary	17319000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	26878000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	30766000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	20188000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	232615000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	628144000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	187105000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.98
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.38
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.63
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.97
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.36
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.63
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116806575	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116429130	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113241341	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117220047	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	116948643	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113719622	shares
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4570858000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	207293000	usd
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	721665000	usd
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4441000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	37624000	usd
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	14082000	usd
CY2020	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	usd
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	15247000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	0	usd
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.97
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	235231000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5277321000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	658910000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3921000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	40960000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	383000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2021	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	21888000	usd
CY2021	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	1559000	usd
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	27601000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	0	usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.04
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	243695000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5689870000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	259493000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3607000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	34793000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2022	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	22934000	usd
CY2022	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	36269000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	0	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.12
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	253599000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5674961000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	259493000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	658910000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	207293000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	350665000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	303799000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	290353000	usd
CY2022	krc	Depreciation Non Real Estate Assets DepreciationNonRealEstateAssets	6946000	usd
CY2021	krc	Depreciation Non Real Estate Assets DepreciationNonRealEstateAssets	6244000	usd
CY2020	krc	Depreciation Non Real Estate Assets DepreciationNonRealEstateAssets	8955000	usd
CY2022	krc	Provisionfor Doubtful Accounts Including Tenants Lease Agreement ProvisionforDoubtfulAccountsIncludingTenantsLeaseAgreement	-123000	usd
CY2021	krc	Provisionfor Doubtful Accounts Including Tenants Lease Agreement ProvisionforDoubtfulAccountsIncludingTenantsLeaseAgreement	1433000	usd
CY2020	krc	Provisionfor Doubtful Accounts Including Tenants Lease Agreement ProvisionforDoubtfulAccountsIncludingTenantsLeaseAgreement	18997000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	28347000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	33800000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	30245000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3657000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2831000	usd
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2958000	usd
CY2022	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-10476000	usd
CY2021	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-6904000	usd
CY2020	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-7603000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	17329000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	463128000	usd
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	35536000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-12246000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	krc	Noncash Amortization Of Deferred Revenue Related To Tenant Funded Tenant Improvements NoncashAmortizationOfDeferredRevenueRelatedToTenantFundedTenantImprovements	19321000	usd
CY2021	krc	Noncash Amortization Of Deferred Revenue Related To Tenant Funded Tenant Improvements NoncashAmortizationOfDeferredRevenueRelatedToTenantFundedTenantImprovements	17247000	usd
CY2020	krc	Noncash Amortization Of Deferred Revenue Related To Tenant Funded Tenant Improvements NoncashAmortizationOfDeferredRevenueRelatedToTenantFundedTenantImprovements	17547000	usd
CY2022	us-gaap	Straight Line Rent StraightLineRent	46231000	usd
CY2021	us-gaap	Straight Line Rent StraightLineRent	53745000	usd
CY2020	us-gaap	Straight Line Rent StraightLineRent	67826000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	772000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1241000	usd
CY2020	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	825000	usd
CY2022	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	12606000	usd
CY2021	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	6077000	usd
CY2020	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	3685000	usd
CY2022	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	48441000	usd
CY2021	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	43000000	usd
CY2020	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	28161000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	592235000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	516403000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	455590000	usd
CY2022	us-gaap	Payments To Acquire Land PaymentsToAcquireLand	40033000	usd
CY2021	us-gaap	Payments To Acquire Land PaymentsToAcquireLand	586927000	usd
CY2020	us-gaap	Payments To Acquire Land PaymentsToAcquireLand	0	usd
CY2022	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	453774000	usd
CY2021	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	552837000	usd
CY2020	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	486565000	usd
CY2022	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	92802000	usd
CY2021	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	120611000	usd
CY2020	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	129500000	usd
CY2022	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	0	usd
CY2021	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	537429000	usd
CY2020	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	0	usd
CY2022	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	33416000	usd
CY2021	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	1048927000	usd
CY2020	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	74937000	usd
CY2022	us-gaap	Payments For Proceeds From Deposits On Real Estate Acquisitions PaymentsForProceedsFromDepositsOnRealEstateAcquisitions	0	usd
CY2021	us-gaap	Payments For Proceeds From Deposits On Real Estate Acquisitions PaymentsForProceedsFromDepositsOnRealEstateAcquisitions	-1000000	usd
CY2020	us-gaap	Payments For Proceeds From Deposits On Real Estate Acquisitions PaymentsForProceedsFromDepositsOnRealEstateAcquisitions	1000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-553193000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-747877000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-542128000	usd
CY2022	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	5555000	usd
CY2021	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	5341000	usd
CY2020	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	5137000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6432000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	12032000	usd
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6594000	usd
CY2022	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	200000000	usd
CY2021	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	0	usd
CY2020	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	449807000	usd
CY2020	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	772297000	usd
CY2022	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	usd
CY2021	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	312105000	usd
CY2020	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	150000000	usd
CY2022	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	0	usd
CY2021	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	0	usd
CY2020	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	190000000	usd
CY2022	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	0	usd
CY2021	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	0	usd
CY2020	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	435000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	721665000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	22934000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	21888000	usd
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	14082000	usd
CY2022	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	36269000	usd
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	27601000	usd
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	15247000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	247556000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	237355000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	224578000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	383000	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2022	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	usd
CY2021	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	1559000	usd
CY2020	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-118746000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-164573000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	833324000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-79704000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-396047000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	746786000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	427083000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	823130000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	76344000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	347379000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	427083000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	823130000	usd
CY2022	krc	Lease Up Properties Maximum Stabilized Occupancy Percentage LeaseUpPropertiesMaximumStabilizedOccupancyPercentage	0.95
CY2022	krc	Lease Up Properties Maximum Stabilized Occupancy Duration LeaseUpPropertiesMaximumStabilizedOccupancyDuration	P1Y
CY2021Q4	krc	Number Of Equity Method Investments NumberOfEquityMethodInvestments	0	investment
CY2022Q4	krc	Number Of Equity Method Investments NumberOfEquityMethodInvestments	0	investment
CY2022Q4	krc	Number Of Properties Classified As Held For Sale NumberOfPropertiesClassifiedAsHeldForSale	0	property
CY2021Q4	krc	Number Of Properties Classified As Held For Sale NumberOfPropertiesClassifiedAsHeldForSale	0	property
CY2022	krc	Numberof Consolidated Property Partnerships NumberofConsolidatedPropertyPartnerships	3	property_partnership
CY2022	krc	Conversion Of Stock Conversion Ratio ConversionOfStockConversionRatio	1
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates</span></div><div style="text-align:justify;text-indent:18pt"><span><br/></span></div><div style="text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reported periods. Actual results could differ from those estimates.</span></div>
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2022	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	Concentration of Credit RiskAll of our properties and development and redevelopment projects are owned and all of our business is currently conducted in the state of California with the exception of the ownership and operation of ten stabilized office properties and one future development project located in the state of Washington and one development project in the tenant improvement phase and one future development project located in Austin, Texas. The ability of tenants to honor the terms of their leases is dependent upon the economic, regulatory, and social factors affecting the communities in which our tenants operate.
CY2022	krc	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	0	property
CY2021Q4	krc	Asset Acquisition Recognized Identifiable Assets Acquiredand Liabilities Assumed Land AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLand	84033000	usd
CY2021Q4	krc	Asset Acquisition Recognized Identifiable Assets Acquiredand Liabilities Assumed Buildings AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedBuildings	370967000	usd
CY2021Q4	krc	Asset Acquisition Recognized Identifiable Assets Acquiredand Liabilities Assumed Finite Lived Intangibles AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFiniteLivedIntangibles	49882000	usd
CY2021Q4	krc	Asset Acquisition Recognized Identifiable Assets Acquiredand Liabilities Assumed Assets AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAssets	504882000	usd
CY2021Q4	krc	Asset Acquisition Recognized Identifiable Assets Acquiredand Liabilities Assumed Deferred Revenue And Acquisition Related Intangible Assets AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredRevenueAndAcquisitionRelatedIntangibleAssets	15112000	usd
CY2021Q4	krc	Asset Acquisition Recognized Identifiable Assets Acquiredand Liabilities Assumed Liabilities AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLiabilities	15112000	usd
CY2021Q4	krc	Asset Acquisition Recognized Identifiable Assets Acquired Goodwilland Liabilities Assumed Net AssetAcquisitionRecognizedIdentifiableAssetsAcquiredGoodwillandLiabilitiesAssumedNet	489770000	usd
CY2021	us-gaap	Below Market Lease Acquired BelowMarketLeaseAcquired	15100000	usd
CY2021	krc	Acquired Finitelived Intangible Liabilities Weighted Average Useful Life AcquiredFinitelivedIntangibleLiabilitiesWeightedAverageUsefulLife	P2Y4M24D
CY2022	krc	Asset Acquisition Acquisition Related Costs Capitalized AssetAcquisitionAcquisitionRelatedCostsCapitalized	200000	usd
CY2021	krc	Asset Acquisition Acquisition Related Costs Capitalized AssetAcquisitionAcquisitionRelatedCostsCapitalized	1300000	usd
CY2020	krc	Asset Acquisition Acquisition Related Costs Capitalized AssetAcquisitionAcquisitionRelatedCostsCapitalized	300000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	17300000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	463100000	usd
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	35500000	usd
CY2022Q4	krc	Deferred Leasing Costs And Acquisition Related Intangible Assets Net DeferredLeasingCostsAndAcquisitionRelatedIntangibleAssetsNet	250846000	usd
CY2021Q4	krc	Deferred Leasing Costs And Acquisition Related Intangible Assets Net DeferredLeasingCostsAndAcquisitionRelatedIntangibleAssetsNet	234458000	usd
CY2022Q4	krc	Acquisition Related Intangible Liabilities Net AcquisitionRelatedIntangibleLiabilitiesNet	37437000	usd
CY2021Q4	krc	Acquisition Related Intangible Liabilities Net AcquisitionRelatedIntangibleLiabilitiesNet	22253000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	52229000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	40130000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	35130000	usd
CY2022Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	22816000	usd
CY2021Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	16448000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2233000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2062000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	20583000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	14386000	usd
CY2022Q4	krc	Deferred Rent Receivables Gross DeferredRentReceivablesGross	453165000	usd
CY2021Q4	krc	Deferred Rent Receivables Gross DeferredRentReceivablesGross	406277000	usd
CY2022Q4	krc	Allowance For Deferred Rent Receivables AllowanceForDeferredRentReceivables	965000	usd
CY2021Q4	krc	Allowance For Deferred Rent Receivables AllowanceForDeferredRentReceivables	612000	usd
CY2022Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	452200000	usd
CY2021Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	405665000	usd
CY2022Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	41538000	usd
CY2021Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	42760000	usd
CY2022Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	11364000	usd
CY2021Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	12564000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	9527000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	2667000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	62429000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	57991000	usd
CY2021Q4	us-gaap	Secured Debt SecuredDebt	200000000	usd
CY2022Q4	us-gaap	Secured Debt SecuredDebt	200000000	usd
CY2022Q4	krc	Number Of Debt Covenants Impacting Payment Of Dividends During Event Of Default NumberOfDebtCovenantsImpactingPaymentOfDividendsDuringEventOfDefault	1	debt_covenant
CY2021Q4	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	12200000	usd
CY2022Q4	krc	Number Of Noncompliant Debt Covenants That Could Require Immediate Repayment Of Full Principal Balance NumberOfNoncompliantDebtCovenantsThatCouldRequireImmediateRepaymentOfFullPrincipalBalance	1	debt_covenant
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	111453000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	108002000	usd
CY2022Q4	krc	Contractwith Customer Liability Other ContractwithCustomerLiabilityOther	47069000	usd
CY2021Q4	krc	Contractwith Customer Liability Other ContractwithCustomerLiabilityOther	40896000	usd
CY2022Q4	krc	Acquisition Related Intangible Liabilities Net AcquisitionRelatedIntangibleLiabilitiesNet	37437000	usd
CY2021Q4	krc	Acquisition Related Intangible Liabilities Net AcquisitionRelatedIntangibleLiabilitiesNet	22253000	usd
CY2022Q4	krc	Deferred Revenue And Acquisition Related Intangible Liabilities DeferredRevenueAndAcquisitionRelatedIntangibleLiabilities	195959000	usd
CY2021Q4	krc	Deferred Revenue And Acquisition Related Intangible Liabilities DeferredRevenueAndAcquisitionRelatedIntangibleLiabilities	171151000	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022	us-gaap	Debt Instrument Convertible Threshold Trading Days DebtInstrumentConvertibleThresholdTradingDays	10	trading_day
CY2021	us-gaap	Debt Instrument Convertible Threshold Trading Days DebtInstrumentConvertibleThresholdTradingDays	10	trading_day
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Fair Value RedeemableNoncontrollingInterestEquityCommonFairValue	44700000	usd
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Fair Value RedeemableNoncontrollingInterestEquityCommonFairValue	76200000	usd
CY2022Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	4935826	shares
CY2022	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	0	shares
CY2020	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	0	shares
CY2021	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	0	shares
CY2022Q4	krc	Sharebased Compensation Arrangementby Sharebased Payment Award Numberof Plans SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofPlans	1	compensation_plan
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	10700000	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1100000	shares
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	34800000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	41000000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	37600000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	6400000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	7200000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	7400000	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	25100000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y8M12D
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	25100000	usd
CY2022	krc	Defined Contribution Plan Requisite Service Period DefinedContributionPlanRequisiteServicePeriod	P3M
CY2022	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.60
CY2022	krc	Defined Contribution Plan Employer Matching Contribution Per Participant Dollar DefinedContributionPlanEmployerMatchingContributionPerParticipantDollar	0.50	usd
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.10
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1600000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1500000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1600000	usd
CY2022	krc	Deferred Compensation Employee Salary Percent DeferredCompensationEmployeeSalaryPercent	0.70
CY2022	krc	Deferred Compensation Directors Fees And Employee Bonuses Percent DeferredCompensationDirectorsFeesAndEmployeeBonusesPercent	1
CY2022	krc	Deferred Compensation Arrangement With Individual Employer Contribution Percent DeferredCompensationArrangementWithIndividualEmployerContributionPercent	0.10
CY2022Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	23400000	usd
CY2021Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	27400000	usd
CY2022	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	923257000	usd
CY2021	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	826883000	usd
CY2022	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	162638000	usd
CY2021	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	123544000	usd
CY2022	krc	Operating Lease Income Adjustments OperatingLeaseIncomeAdjustments	123000	usd
CY2021	krc	Operating Lease Income Adjustments OperatingLeaseIncomeAdjustments	-1433000	usd
CY2022	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1086018000	usd
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	948994000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	809406000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	796645000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	769116000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	716780000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	656100000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	2464166000	usd
CY2022Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	6212213000	usd
CY2022Q4	us-gaap	Other Commitment OtherCommitment	586600000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0465
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P64Y
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	3600000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	2600000	usd
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	3000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6563000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	6598000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	6634000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	6671000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	6713000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	368281000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	401460000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	276466000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	124994000	usd
CY2022	krc	Period For Ground Lease Rentals Adjustment PeriodForGroundLeaseRentalsAdjustment	P5Y
CY2022	krc	Annual Ground Lease Rental Obligations Maximum AnnualGroundLeaseRentalObligationsMaximum	1000000	usd
CY2022	krc	Annual Ground Lease Rental Obligations Maximum AnnualGroundLeaseRentalObligationsMaximum	1000000	usd
CY2022	krc	Period For Ground Lease Rentals Adjustment PeriodForGroundLeaseRentalsAdjustment	P5Y
CY2022	krc	Ground Lease Minimum Rent Increase Periodof Increase Two GroundLeaseMinimumRentIncreasePeriodofIncreaseTwo	P10Y
CY2022	krc	Ground Lease Minimum Rent Increase Percentageof Annual Percentage Rent Two GroundLeaseMinimumRentIncreasePercentageofAnnualPercentageRentTwo	0.60
CY2022	krc	Ground Lease Previous Period Included In Average Annual Rent Percentage Rent Two GroundLeasePreviousPeriodIncludedInAverageAnnualRentPercentageRentTwo	P3Y
CY2022	krc	Ground Lease Minimum Rent Increase Five Years Percentageof Annual Percentage Rent GroundLeaseMinimumRentIncreaseFiveYearsPercentageofAnnualPercentageRent	0.05
CY2022	krc	Ground Lease Minimum Rent Increase Percentage Of Annual Percentage Rent GroundLeaseMinimumRentIncreasePercentageOfAnnualPercentageRent	0.02
CY2022	krc	Ground Lease Reset Period GroundLeaseResetPeriod	P10Y
CY2022	krc	Remaining Ground Lease Obligation Period RemainingGroundLeaseObligationPeriod	P10Y
CY2022	krc	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration Not Disclosed Flag EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag	consolidated balance sheet
CY2022	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	232615000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	628144000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	187105000	usd
CY2022	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1272000	usd
CY2021	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1516000	usd
CY2020	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	2229000	usd
CY2022	krc	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	231343000	usd
CY2021	krc	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	626628000	usd
CY2020	krc	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	184876000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116806575	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	116429130	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	113241341	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	413472	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	519513	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	478281	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	117220047	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	116948643	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	113719622	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.98
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.38
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.63
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.97
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.36
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.63
CY2022	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	72973000	usd
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	75802000	usd
CY2020	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	75852000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	79634000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	77028000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	61741000	usd
CY2022	krc	Payments For Ground Leases PaymentsForGroundLeases	6447000	usd
CY2021	krc	Payments For Ground Leases PaymentsForGroundLeases	6209000	usd
CY2020	krc	Payments For Ground Leases PaymentsForGroundLeases	5744000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	97729000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	119829000	usd
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	189161000	usd
CY2022	krc	Tenant Improvements Funded Directly By Tenants To Third Parties TenantImprovementsFundedDirectlyByTenantsToThirdParties	6772000	usd
CY2021	krc	Tenant Improvements Funded Directly By Tenants To Third Parties TenantImprovementsFundedDirectlyByTenantsToThirdParties	20070000	usd
CY2020	krc	Tenant Improvements Funded Directly By Tenants To Third Parties TenantImprovementsFundedDirectlyByTenantsToThirdParties	11592000	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	37572000	usd
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	46430000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2022	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	0	usd
CY2021	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	46430000	usd
CY2020	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	0	usd
CY2022	krc	Common Stockholders And Unitholders Dividends And Distributions Declared But Not Paid CommonStockholdersAndUnitholdersDividendsAndDistributionsDeclaredButNotPaid	64285000	usd
CY2021	krc	Common Stockholders And Unitholders Dividends And Distributions Declared But Not Paid CommonStockholdersAndUnitholdersDividendsAndDistributionsDeclaredButNotPaid	61850000	usd
CY2020	krc	Common Stockholders And Unitholders Dividends And Distributions Declared But Not Paid CommonStockholdersAndUnitholdersDividendsAndDistributionsDeclaredButNotPaid	59431000	usd
CY2022	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	0	usd
CY2021	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	0	usd
CY2020	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	37640000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	414077000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	731991000	usd
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	60044000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	13006000	usd
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	91139000	usd
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	16300000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	427083000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	823130000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	76344000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	347379000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	414077000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	731991000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	0	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	13006000	usd
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	91139000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	347379000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	427083000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	823130000	usd
CY2022Q4	krc	Capital Gains Federal Statutory Tax Rate Percent CapitalGainsFederalStatutoryTaxRatePercent	0.20
CY2020Q4	krc	Allowancefor Doubtful Accounts Premiumsand Other Receivables After Adjustment AllowanceforDoubtfulAccountsPremiumsandOtherReceivablesAfterAdjustment	1700000	usd
CY2022Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	243469000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	2565066000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	2959869000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	6207248000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	2656533000	usd
CY2022Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	9075650000	usd
CY2022Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	11732183000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2218710000	usd
CY2022Q4	us-gaap	Net Rentable Area NetRentableArea	16194146	sqft
CY2022Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	9600000000	usd
CY2021Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	11292693000	usd
CY2020Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	10190046000	usd
CY2019Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	9628773000	usd
CY2022	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	40033000	usd
CY2021	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	1131248000	usd
CY2020	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	0	usd
CY2022	us-gaap	Real Estate Improvements RealEstateImprovements	439759000	usd
CY2021	us-gaap	Real Estate Improvements RealEstateImprovements	547468000	usd
CY2020	us-gaap	Real Estate Improvements RealEstateImprovements	645170000	usd
CY2022	krc	Sec Schedule Iii Real Estate Period Increase SECScheduleIIIRealEstatePeriodIncrease	479792000	usd
CY2021	krc	Sec Schedule Iii Real Estate Period Increase SECScheduleIIIRealEstatePeriodIncrease	1678716000	usd
CY2020	krc	Sec Schedule Iii Real Estate Period Increase SECScheduleIIIRealEstatePeriodIncrease	645170000	usd
CY2022	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	32855000	usd
CY2021	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	572985000	usd
CY2020	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	44070000	usd
CY2022	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	7447000	usd
CY2021	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	3084000	usd
CY2020	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	39827000	usd
CY2022	krc	Sec Schedule Iii Real Estate Period Decrease SECScheduleIIIRealEstatePeriodDecrease	40302000	usd
CY2021	krc	Sec Schedule Iii Real Estate Period Decrease SECScheduleIIIRealEstatePeriodDecrease	576069000	usd
CY2020	krc	Sec Schedule Iii Real Estate Period Decrease SECScheduleIIIRealEstatePeriodDecrease	83897000	usd
CY2022Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	11732183000	usd
CY2021Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	11292693000	usd
CY2020Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	10190046000	usd
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2003656000	usd
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	1798646000	usd
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	1561361000	usd
CY2022	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	287799000	usd
CY2021	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	256304000	usd
CY2020	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	244815000	usd
CY2022	krc	Sec Schedule Iii Real Estate Accumulated Depreciation Period Increase SECScheduleIIIRealEstateAccumulatedDepreciationPeriodIncrease	287799000	usd
CY2021	krc	Sec Schedule Iii Real Estate Accumulated Depreciation Period Increase SECScheduleIIIRealEstateAccumulatedDepreciationPeriodIncrease	256304000	usd
CY2020	krc	Sec Schedule Iii Real Estate Accumulated Depreciation Period Increase SECScheduleIIIRealEstateAccumulatedDepreciationPeriodIncrease	244815000	usd
CY2022	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	19114000	usd
CY2021	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	38156000	usd
CY2020	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	6401000	usd
CY2022	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	53631000	usd
CY2021	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	13138000	usd
CY2020	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	1129000	usd
CY2022	krc	Sec Schedule Iii Real Estate Accumulated Depreciation Period Decrease SECScheduleIIIRealEstateAccumulatedDepreciationPeriodDecrease	72745000	usd
CY2021	krc	Sec Schedule Iii Real Estate Accumulated Depreciation Period Decrease SECScheduleIIIRealEstateAccumulatedDepreciationPeriodDecrease	51294000	usd
CY2020	krc	Sec Schedule Iii Real Estate Accumulated Depreciation Period Decrease SECScheduleIIIRealEstateAccumulatedDepreciationPeriodDecrease	7530000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2218710000	usd
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2003656000	usd
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	1798646000	usd

Files In Submission

Name	View Source	Status
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0001025996-23-000072-index.html	Edgar Link	pending
0001025996-23-000072.txt	Edgar Link	pending
0001025996-23-000072-xbrl.zip	Edgar Link	pending
exhibit1017.htm	Edgar Link	pending
exhibit1044.htm	Edgar Link	pending
exhibit1045.htm	Edgar Link	pending
exhibit1046.htm	Edgar Link	pending
exhibit211.htm	Edgar Link	pending
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exhibit321.htm	Edgar Link	pending
exhibit322.htm	Edgar Link	pending
exhibit323.htm	Edgar Link	pending
exhibit324.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
krc-20221231.htm	Edgar Link	pending
krc-20221231.xsd	Edgar Link	pending
krc-20221231_g1.jpg	Edgar Link	pending
krc-20221231_g2.jpg	Edgar Link	pending
krc-20221231_g3.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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krc-20221231_cal.xml	Edgar Link	unprocessable
krc-20221231_def.xml	Edgar Link	unprocessable
krc-20221231_lab.xml	Edgar Link	unprocessable
krc-20221231_pre.xml	Edgar Link	unprocessable
krc-20221231_htm.xml	Edgar Link	completed
R16.htm	Edgar Link	pending
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$KRC
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2023 Q1 Form 10-K Financial Statement

#000102599623000072 Filed on February 10, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KRC Kilroy Realty Corp Stock $krc

2023 Q1 Form 10-K Financial Statement

#000102599623000072 Filed on February 10, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KRC
Kilroy Realty Corp Stock $krc