$PKST
Peakstone Realty Trust Stock $pkst

$pkst Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000160062621000071 Filed on February 26, 2021

Income Statement

Concept	2019 Q4	2018
Revenue	$109.8M	$336.4M
YoY Change	29.33%	-2.92%
Cost Of Revenue		$62.60M
YoY Change
Gross Profit		$273.8M
YoY Change
Gross Profit Margin		81.4%
Selling, General & Admin		$51.60M
YoY Change
% of Gross Profit		18.85%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$60.10M
YoY Change		7.36%
% of Gross Profit		21.95%
Operating Expenses		$89.52M
YoY Change		10.14%
Operating Profit	$1.891M	$77.98M
YoY Change	-89.33%	-5.24%
Interest Expense		$55.19M
YoY Change		8.19%
% of Operating Profit		70.78%
Other Income/Expense, Net		$300.0K
YoY Change
Pretax Income		$22.00M
YoY Change
Income Tax
% Of Pretax Income
Net Earnings	-$3.693M	$17.62M
YoY Change	-464.92%	-87.47%
Net Earnings / Revenue	-3.36%	5.24%
Basic Earnings Per Share
Diluted Earnings Per Share		$0.49
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept	2019 Q4	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments		$48.50M
YoY Change
Cash & Equivalents	$54.83M	$48.50M
Short-Term Investments
Other Short-Term Assets		$31.10M
YoY Change
Inventory
Prepaid Expenses
Receivables		$55.20M
Other Receivables		$19.60M
Total Short-Term Assets		$154.4M
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment		$2.535B
YoY Change
Goodwill	$229.9M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments	$11.03M	$30.60M
YoY Change	-63.92%
Other Assets		$45.80M
YoY Change
Total Long-Term Assets		$2.858B
YoY Change
TOTAL ASSETS
Total Short-Term Assets		$154.4M
Total Long-Term Assets		$2.858B
Total Assets	$4.176B	$3.013B
YoY Change	38.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$19.90M
YoY Change
Accrued Expenses		$9.300M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt		$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$116.3M
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt		$1.354B
YoY Change
Other Long-Term Liabilities		$57.30M
YoY Change
Total Long-Term Liabilities		$1.411B
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities		$116.3M
Total Long-Term Liabilities		$1.411B
Total Liabilities	$2.304B	$1.759B
YoY Change	50.85%
SHAREHOLDERS EQUITY
Retained Earnings	$153.3M
YoY Change	19.29%
Common Stock	$228.0K
YoY Change	31.03%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.476B	$1.254B
YoY Change
Total Liabilities & Shareholders Equity	$4.176B	$3.013B
YoY Change	38.59%

Cashflow Statement

Concept	2019 Q4	2018
OPERATING ACTIVITIES
Net Income	-$3.693M	$17.62M
YoY Change	-464.92%	-87.47%
Depreciation, Depletion And Amortization		$60.10M
YoY Change		7.36%
Cash From Operating Activities		$120.9M
YoY Change		-14.95%
INVESTING ACTIVITIES
Capital Expenditures		$206.6M
YoY Change
Acquisitions
YoY Change
Other Investing Activities		$12.20M
YoY Change
Cash From Investing Activities		-$194.5M
YoY Change		-176.4%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$83.57M
YoY Change		-15.5%
Debt Paid & Issued, Net		$0.00
YoY Change		-100.0%
Cash From Financing Activities		-$76.95M
YoY Change		-67.76%
NET CHANGE
Cash From Operating Activities		$120.9M
Cash From Investing Activities		-$194.5M
Cash From Financing Activities		-$76.95M
Net Change In Cash		-$150.6M
YoY Change		-195.3%
FREE CASH FLOW
Cash From Operating Activities		$120.9M
Capital Expenditures		$206.6M
Free Cash Flow		-$85.74M
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001600626
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	gcnl	Loan Assumed Premium LoanAssumedPremium	109000	USD
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	000-55605
CY2020	dei	Entity Registrant Name EntityRegistrantName	Griffin Capital Essential Asset REIT, Inc.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	46-4654479
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	1520 E. Grand Ave
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	El Segundo
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2020	dei	City Area Code CityAreaCode	310
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	90245
CY2020	dei	Local Phone Number LocalPhoneNumber	469-6100
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	0	USD
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CY2020Q4	us-gaap	Land Land	445674000	USD
CY2019Q4	us-gaap	Land Land	458339000	USD
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CY2020Q4	us-gaap	Goodwill Goodwill	229948000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	229948000	USD
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CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	45020000	USD
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CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
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CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	800000000	shares
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CY2020Q4	us-gaap	Common Stock Value CommonStockValue	230000	USD
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CY2020	us-gaap	Redeemable Preferred Stock Dividends RedeemablePreferredStockDividends	8708000	USD
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CY2018	us-gaap	Redeemable Preferred Stock Dividends RedeemablePreferredStockDividends	3275000	USD
CY2020	gcnl	Decrease From Distributions To Redeemable Noncontrolling Interest DecreaseFromDistributionsToRedeemableNoncontrollingInterest	208000	USD
CY2019	gcnl	Decrease From Distributions To Redeemable Noncontrolling Interest DecreaseFromDistributionsToRedeemableNoncontrollingInterest	320000	USD
CY2018	gcnl	Decrease From Distributions To Redeemable Noncontrolling Interest DecreaseFromDistributionsToRedeemableNoncontrollingInterest	356000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-5310000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	695000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	479000	USD
CY2020	gcnl	Comprehensive Income Loss Net Of Tax Attributable To Common Stockholders ComprehensiveIncomeLossNetOfTaxAttributableToCommonStockholders	-39084000	USD
CY2019	gcnl	Comprehensive Income Loss Net Of Tax Attributable To Common Stockholders ComprehensiveIncomeLossNetOfTaxAttributableToCommonStockholders	5321000	USD
CY2018	gcnl	Comprehensive Income Loss Net Of Tax Attributable To Common Stockholders ComprehensiveIncomeLossNetOfTaxAttributableToCommonStockholders	12749000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1251811000	USD
CY2018	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	38000	USD
CY2018	us-gaap	Dividends Dividends	75613000	USD
CY2018	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	0	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	83574000	USD
CY2018	gcnl	Increase Decreaseto Redeemable Common Stock IncreaseDecreasetoRedeemableCommonStock	42736000	USD
CY2018	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	205000000	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	4368000	USD
CY2018	gcnl	Distributions For Redeemable Nci DistributionsForRedeemableNci	13000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	4959000	USD
CY2018	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	18407000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5179000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1344286000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1344286000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	9383000	USD
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2623000	USD
CY2019	us-gaap	Dividends Dividends	89836000	USD
CY2019	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	220000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	296659000	USD
CY2019	gcnl	Increase Decreaseto Redeemable Common Stock IncreaseDecreasetoRedeemableCommonStock	-9042000	USD
CY2019	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	25000000	USD
CY2019	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	1861000	USD
CY2019	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	1948000	USD
CY2019	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	751277000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	19716000	USD
CY2019	gcnl	Distributions For Redeemable Nci DistributionsForRedeemableNci	45000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	1906000	USD
CY2019	gcnl	Noncontrolling Interest Increasefrom Reclassificationof Interest Subjectto Redemption NoncontrollingInterestIncreasefromReclassificationofInterestSubjecttoRedemption	3000	USD
CY2019	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	28536000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-22520000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1721517000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1721517000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	4141000	USD
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	4106000	USD
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	751000	USD
CY2020	us-gaap	Dividends Dividends	69532000	USD
CY2020	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1677000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	16519000	USD
CY2020	gcnl	Noncontrolling Interest Increasefrom Reclassificationof Interest Subjectto Redemption NoncontrollingInterestIncreasefromReclassificationofInterestSubjecttoRedemption	224000	USD
CY2020	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	1137000	USD
CY2020	gcnl	Increase Decreaseto Redeemable Common Stock IncreaseDecreasetoRedeemableCommonStock	18528000	USD
CY2020	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	1068000	USD
CY2020	gcnl	Distributions For Redeemable Nci DistributionsForRedeemableNci	29000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	735000	USD
CY2020	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-14690000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-29704000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1608269000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-5774000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Dividend StockIssuedDuringPeriodValueStockDividend	1941000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	13306000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	37044000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	22038000	USD
CY2020	us-gaap	Depreciation Depreciation	93980000	USD
CY2019	us-gaap	Depreciation Depreciation	80394000	USD
CY2018	us-gaap	Depreciation Depreciation	60120000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	67076000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	73031000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	59048000	USD
CY2020	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-2292000	USD
CY2019	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-3201000	USD
CY2018	us-gaap	Amortization Of Above And Below Market Leases AmortizationOfAboveAndBelowMarketLeases	-685000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2607000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	5562000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3071000	USD
CY2020	gcnl	Amortizationof Swap Interest AmortizationofSwapInterest	126000	USD
CY2019	gcnl	Amortizationof Swap Interest AmortizationofSwapInterest	126000	USD
CY2018	gcnl	Amortizationof Swap Interest AmortizationofSwapInterest	126000	USD
CY2020	gcnl	Deferred Rent Revenue Recognized During Period DeferredRentRevenueRecognizedDuringPeriod	25687000	USD
CY2019	gcnl	Deferred Rent Revenue Recognized During Period DeferredRentRevenueRecognizedDuringPeriod	19519000	USD
CY2018	gcnl	Deferred Rent Revenue Recognized During Period DeferredRentRevenueRecognizedDuringPeriod	8571000	USD
CY2020	gcnl	Deferred Rent DeferredRent	2065000	USD
CY2019	gcnl	Deferred Rent DeferredRent	1640000	USD
CY2018	gcnl	Deferred Rent DeferredRent	0	USD
CY2020	gcnl	Increase Decreasein Termination Fee Revenue Receivables IncreaseDecreaseinTerminationFeeRevenueReceivables	0	USD
CY2019	gcnl	Increase Decreasein Termination Fee Revenue Receivables IncreaseDecreaseinTerminationFeeRevenueReceivables	6000000	USD
CY2018	gcnl	Increase Decreasein Termination Fee Revenue Receivables IncreaseDecreaseinTerminationFeeRevenueReceivables	3114000	USD
CY2019	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-307000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-2000	USD
CY2020	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-31000	USD
CY2020	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	4083000	USD
CY2019	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	29940000	USD
CY2018	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	1231000	USD
CY2020	gcnl	Gain Losson Fair Valueof Earnout GainLossonFairValueofEarnout	2657000	USD
CY2019	gcnl	Gain Losson Fair Valueof Earnout GainLossonFairValueofEarnout	1461000	USD
CY2018	gcnl	Gain Losson Fair Valueof Earnout GainLossonFairValueofEarnout	0	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
CY2020	gcnl	Income From Interest In Unconsolidated Entity IncomeFromInterestInUnconsolidatedEntity	-2071000	USD
CY2019	gcnl	Income From Interest In Unconsolidated Entity IncomeFromInterestInUnconsolidatedEntity	-5307000	USD
CY2018	gcnl	Income From Interest In Unconsolidated Entity IncomeFromInterestInUnconsolidatedEntity	-2254000	USD
CY2020	gcnl	Income Loss From Interest In Unconsolidated Entities Liquidation Value Adjustment IncomeLossFromInterestInUnconsolidatedEntitiesLiquidationValueAdjustment	-4453000	USD
CY2019	gcnl	Income Loss From Interest In Unconsolidated Entities Liquidation Value Adjustment IncomeLossFromInterestInUnconsolidatedEntitiesLiquidationValueAdjustment	0	USD
CY2018	gcnl	Income Loss From Interest In Unconsolidated Entities Liquidation Value Adjustment IncomeLossFromInterestInUnconsolidatedEntitiesLiquidationValueAdjustment	0	USD
CY2018	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	0	USD
CY2020	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	23472000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	30734000	USD
CY2018	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2020	gcnl	Noncash Performance Distribution Allocation NoncashPerformanceDistributionAllocation	0	USD
CY2019	gcnl	Noncash Performance Distribution Allocation NoncashPerformanceDistributionAllocation	2604000	USD
CY2018	gcnl	Noncash Performance Distribution Allocation NoncashPerformanceDistributionAllocation	0	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	4107000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	2623000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	38000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4383000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	7775000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	13503000	USD
CY2020	gcnl	Increase Decrease In Restricted Reserves For Tenant Improvements IncreaseDecreaseInRestrictedReservesForTenantImprovements	-27000	USD
CY2019	gcnl	Increase Decrease In Restricted Reserves For Tenant Improvements IncreaseDecreaseInRestrictedReservesForTenantImprovements	-14000	USD
CY2018	gcnl	Increase Decrease In Restricted Reserves For Tenant Improvements IncreaseDecreaseInRestrictedReservesForTenantImprovements	-57000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	4203000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-9505000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3463000	USD
CY2020	us-gaap	Increase Decrease In Due To Affiliates IncreaseDecreaseInDueToAffiliates	-3570000	USD
CY2019	us-gaap	Increase Decrease In Due To Affiliates IncreaseDecreaseInDueToAffiliates	4072000	USD
CY2018	us-gaap	Increase Decrease In Due To Affiliates IncreaseDecreaseInDueToAffiliates	-2254000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	164538000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	160849000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	120859000	USD
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	25320000	USD
CY2018	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2020	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	16584000	USD
CY2019	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	38775000	USD
CY2018	us-gaap	Payments To Acquire Real Estate Held For Investment PaymentsToAcquireRealEstateHeldForInvestment	182250000	USD
CY2020	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	51692000	USD
CY2019	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	139446000	USD
CY2018	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	11442000	USD
CY2018	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	USD
CY2020	gcnl	Paymentsfor Proceedsfrom Real Estate Funds Heldfor Exchange PaymentsforProceedsfromRealEstateFundsHeldforExchange	-1047000	USD
CY2019	gcnl	Paymentsfor Proceedsfrom Real Estate Funds Heldfor Exchange PaymentsforProceedsfromRealEstateFundsHeldforExchange	1047000	USD
CY2018	gcnl	Paymentsfor Proceedsfrom Real Estate Funds Heldfor Exchange PaymentsforProceedsfromRealEstateFundsHeldforExchange	3350000	USD
CY2020	us-gaap	Repayments Of Advances For Construction RepaymentsOfAdvancesForConstruction	1530000	USD
CY2019	us-gaap	Proceeds From Advances For Construction ProceedsFromAdvancesForConstruction	1039000	USD
CY2018	us-gaap	Repayments Of Advances For Construction RepaymentsOfAdvancesForConstruction	357000	USD
CY2020	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	58938000	USD
CY2019	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	46346000	USD
CY2018	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	24398000	USD
CY2020	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	8160000	USD
CY2019	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	0	USD
CY2018	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	3274000	USD
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	8531000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	14603000	USD
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	7691000	USD
CY2020	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1029000	USD
CY2019	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	8422000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-24971000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	85818000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-194496000	USD
CY2020	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	627000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	215000000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	315854000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
CY2020	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	USD
CY2019	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	USD
CY2018	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	96100000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	53000000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	104439000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
CY2020	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
CY2019	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
CY2018	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	18954000	USD
CY2020	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	USD
CY2019	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	715000000	USD
CY2018	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	106253000	USD
CY2020	gcnl	Principle Amortization Paymentson Secured Debt PrincipleAmortizationPaymentsonSecuredDebt	7362000	USD
CY2019	gcnl	Principle Amortization Paymentson Secured Debt PrincipleAmortizationPaymentsonSecuredDebt	6577000	USD
CY2018	gcnl	Principle Amortization Paymentson Secured Debt PrincipleAmortizationPaymentsonSecuredDebt	6494000	USD
CY2020	us-gaap	Payments Of Loan Costs PaymentsOfLoanCosts	4725000	USD
CY2019	us-gaap	Payments Of Loan Costs PaymentsOfLoanCosts	5737000	USD
CY2018	us-gaap	Payments Of Loan Costs PaymentsOfLoanCosts	24000	USD
CY2020	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	594000	USD
CY2019	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	2384000	USD
CY2018	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	4959000	USD
CY2020	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	125000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	107821000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	200013000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	83574000	USD
CY2020	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	1137000	USD
CY2019	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	53000	USD
CY2018	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4698000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	8826000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	751000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	USD
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	8396000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	8188000	USD
CY2018	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	1228000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	13290000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	16865000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	4737000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	72143000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	90116000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	71822000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-49521000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-197692000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-76945000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	90046000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	48975000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-150582000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	113260000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	64285000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	214867000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	203306000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	113260000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	64285000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	80155000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	65040000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	50736000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	229948000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Accounts Receivable Acquired1 NoncashOrPartNoncashAcquisitionAccountsReceivableAcquired1	19878000	USD
CY2020	gcnl	Increase Decrease In Distributions Payable To Common Stockholders IncreaseDecreaseInDistributionsPayableToCommonStockholders	6864000	USD
CY2019	gcnl	Increase Decrease In Distributions Payable To Common Stockholders IncreaseDecreaseInDistributionsPayableToCommonStockholders	13035000	USD
CY2018	gcnl	Increase Decrease In Distributions Payable To Common Stockholders IncreaseDecreaseInDistributionsPayableToCommonStockholders	9799000	USD
CY2020	gcnl	Increase Decreasein Distributions Payable Noncontrolling Interest IncreaseDecreaseinDistributionsPayableNoncontrollingInterest	943000	USD
CY2019	gcnl	Increase Decreasein Distributions Payable Noncontrolling Interest IncreaseDecreaseinDistributionsPayableNoncontrollingInterest	1758000	USD
CY2018	gcnl	Increase Decreasein Distributions Payable Noncontrolling Interest IncreaseDecreaseinDistributionsPayableNoncontrollingInterest	402000	USD
CY2020	us-gaap	Stock Issued1 StockIssued1	24497000	USD
CY2019	us-gaap	Stock Issued1 StockIssued1	41060000	USD
CY2020	gcnl	Increase Decreasein Redemptions Payable IncreaseDecreaseinRedemptionsPayable	-5345000	USD
CY2019	gcnl	Increase Decreasein Redemptions Payable IncreaseDecreaseinRedemptionsPayable	96648000	USD
CY2018	us-gaap	Stock Issued1 StockIssued1	40838000	USD
CY2018	gcnl	Increase Decreasein Redemptions Payable IncreaseDecreaseinRedemptionsPayable	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	USD
CY2020	us-gaap	Dividends Stock DividendsStock	5747000	USD
CY2019	us-gaap	Dividends Stock DividendsStock	14139000	USD
CY2018	us-gaap	Dividends Stock DividendsStock	0	USD
CY2020	us-gaap	Loans Assumed1 LoansAssumed1	18884000	USD
CY2019	us-gaap	Loans Assumed1 LoansAssumed1	0	USD
CY2018	us-gaap	Loans Assumed1 LoansAssumed1	0	USD
CY2020	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	472000	USD
CY2019	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	0	USD
CY2018	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	0	USD
CY2020Q4	gcnl	Accrued Tenant Obligations AccruedTenantObligations	30011000	USD
CY2019Q4	gcnl	Accrued Tenant Obligations AccruedTenantObligations	11802000	USD
CY2018Q4	gcnl	Accrued Tenant Obligations AccruedTenantObligations	0	USD
CY2020	gcnl	Noncashor Part Noncash Acquisition Noncash Financialor Equity Instrument Consideration Units Issued NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationUnitsIssued	0	USD
CY2019	gcnl	Noncashor Part Noncash Acquisition Noncash Financialor Equity Instrument Consideration Units Issued NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationUnitsIssued	25000000	USD
CY2018	gcnl	Noncashor Part Noncash Acquisition Noncash Financialor Equity Instrument Consideration Units Issued NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationUnitsIssued	205000000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	41114000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	7951000	USD
CY2020	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	-29704000	USD
CY2019	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	-22303000	USD
CY2018	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	-5427000	USD
CY2020	gcnl	Increase Decrease In Stockholder Servicing Fee Payable IncreaseDecreaseInStockholderServicingFeePayable	-1388000	USD
CY2019	gcnl	Increase Decrease In Stockholder Servicing Fee Payable IncreaseDecreaseInStockholderServicingFeePayable	0	USD
CY2018	gcnl	Increase Decrease In Stockholder Servicing Fee Payable IncreaseDecreaseInStockholderServicingFeePayable	0	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	751277000	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	USD
CY2020	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
CY2019	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	751277000	USD
CY2018	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
CY2019Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	25521000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	2800000000	USD
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	230320668	shares
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	16919000	USD
CY2020	gcnl	Distributions To Redeemable Noncontrolling Interests Attributable To Common Stockholders DistributionsToRedeemableNoncontrollingInterestsAttributableToCommonStockholders	0	USD
CY2019	gcnl	Distributions To Redeemable Noncontrolling Interests Attributable To Common Stockholders DistributionsToRedeemableNoncontrollingInterestsAttributableToCommonStockholders	0	USD
CY2018	gcnl	Distributions To Redeemable Noncontrolling Interests Attributable To Common Stockholders DistributionsToRedeemableNoncontrollingInterestsAttributableToCommonStockholders	355000	USD
CY2019Q2	gcnl	Partnership Units Units Issued Upon Conversion PartnershipUnitsUnitsIssuedUponConversion	1	shares
CY2020Q4	gcnl	Limited Liability Partnership Interest Held LimitedLiabilityPartnershipInterestHeld	0.878
CY2020Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	0	USD
CY2019Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	0	USD
CY2019Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0536
CY2019Q1	us-gaap	Number Of Properties Subject To Ground Leases NumberOfPropertiesSubjectToGroundLeases	2	lease
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	25500000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	27600000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:12pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:12pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the unaudited consolidated financial statements and accompanying notes. Actual results could materially differ from those estimates.</span></div>
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	reportableSegment
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	67100000	USD
CY2020Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	98	realEstateProperty
CY2020Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	25	state
CY2020Q4	gcnl	Asset Acquisition Consideration AssetAcquisitionConsideration	4100000000	USD
CY2020	us-gaap	Depreciation Depreciation	94000000.0	USD
CY2019	us-gaap	Depreciation Depreciation	80400000	USD
CY2018	us-gaap	Depreciation Depreciation	60100000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	73000000.0	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	59000000.0	USD
CY2020Q4	gcnl	In Place Lease Valuation Above Market InPlaceLeaseValuationAboveMarket	43576000	USD
CY2019Q4	gcnl	In Place Lease Valuation Above Market InPlaceLeaseValuationAboveMarket	44012000	USD
CY2020Q4	gcnl	In Place Lease Valuation Above Market Accumulated Amortization InPlaceLeaseValuationAboveMarketAccumulatedAmortization	35604000	USD
CY2019Q4	gcnl	In Place Lease Valuation Above Market Accumulated Amortization InPlaceLeaseValuationAboveMarketAccumulatedAmortization	33322000	USD
CY2020Q4	gcnl	In Place Lease Valuation Above Market Net InPlaceLeaseValuationAboveMarketNet	7972000	USD
CY2019Q4	gcnl	In Place Lease Valuation Above Market Net InPlaceLeaseValuationAboveMarketNet	10690000	USD
CY2020Q4	us-gaap	Ground Leases Gross GroundLeasesGross	2254000	USD
CY2019Q4	us-gaap	Ground Leases Gross GroundLeasesGross	2254000	USD
CY2020Q4	us-gaap	Ground Leases Accumulated Amortization GroundLeasesAccumulatedAmortization	191000	USD
CY2019Q4	us-gaap	Ground Leases Accumulated Amortization GroundLeasesAccumulatedAmortization	164000	USD
CY2020Q4	us-gaap	Ground Leases Net GroundLeasesNet	2063000	USD
CY2019Q4	us-gaap	Ground Leases Net GroundLeasesNet	2090000	USD
CY2019Q4	gcnl	In Place Lease Valuation Below Market Net InPlaceLeaseValuationBelowMarketNet	31805000	USD
CY2020Q4	gcnl	In Place Lease Valuation Below Market Net InPlaceLeaseValuationBelowMarketNet	27333000	USD
CY2020Q4	gcnl	Finite Lived Intangible Asset Offmarket Lease Including Relatedto Real Estate Heldfor Sale FiniteLivedIntangibleAssetOffmarketLeaseIncludingRelatedtoRealEstateHeldforSale	10035000	USD
CY2019Q4	gcnl	Finite Lived Intangible Asset Offmarket Lease Including Relatedto Real Estate Heldfor Sale FiniteLivedIntangibleAssetOffmarketLeaseIncludingRelatedtoRealEstateHeldforSale	12780000	USD
CY2020Q4	gcnl	In Place Lease Valuation Below Market InPlaceLeaseValuationBelowMarket	68334000	USD
CY2019Q4	gcnl	In Place Lease Valuation Below Market InPlaceLeaseValuationBelowMarket	67622000	USD
CY2020Q4	gcnl	Land Leasehold Interest Above Market LandLeaseholdInterestAboveMarket	3072000	USD
CY2019Q4	gcnl	Land Leasehold Interest Above Market LandLeaseholdInterestAboveMarket	3073000	USD
CY2020Q4	gcnl	In Place Lease Valuation Below Market Accumulated Amortization InPlaceLeaseValuationBelowMarketAccumulatedAmortization	44073000	USD
CY2019Q4	gcnl	In Place Lease Valuation Below Market Accumulated Amortization InPlaceLeaseValuationBelowMarketAccumulatedAmortization	38890000	USD
CY2020Q4	gcnl	Deferred Costs Leasing Gross Including Relatedto Real Estate Heldfor Sale DeferredCostsLeasingGrossIncludingRelatedtoRealEstateHeldforSale	740489000	USD
CY2019Q4	gcnl	Deferred Costs Leasing Gross Including Relatedto Real Estate Heldfor Sale DeferredCostsLeasingGrossIncludingRelatedtoRealEstateHeldforSale	744773000	USD
CY2020Q4	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	412462000	USD
CY2019Q4	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	354379000	USD
CY2020Q4	us-gaap	Deferred Costs Leasing Net DeferredCostsLeasingNet	328027000	USD
CY2019Q4	us-gaap	Deferred Costs Leasing Net DeferredCostsLeasingNet	390394000	USD
CY2020	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P6Y9M29D
CY2019	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P7Y4M9D
CY2020	gcnl	Lease Valuation Amortization LeaseValuationAmortization	-2292000	USD
CY2019	gcnl	Lease Valuation Amortization LeaseValuationAmortization	-3201000	USD
CY2018	gcnl	Lease Valuation Amortization LeaseValuationAmortization	-685000	USD
CY2020	gcnl	Tenant Origination Absorption Cost Amortization TenantOriginationAbsorptionCostAmortization	62459000	USD
CY2019	gcnl	Tenant Origination Absorption Cost Amortization TenantOriginationAbsorptionCostAmortization	69502000	USD
CY2018	gcnl	Tenant Origination Absorption Cost Amortization TenantOriginationAbsorptionCostAmortization	55464000	USD
CY2020	gcnl	Amortization Of Ground Leasehold Interest AmortizationOfGroundLeaseholdInterest	-291000	USD
CY2019	gcnl	Amortization Of Ground Leasehold Interest AmortizationOfGroundLeaseholdInterest	-52000	USD
CY2018	gcnl	Amortization Of Ground Leasehold Interest AmortizationOfGroundLeaseholdInterest	27000	USD
CY2020	gcnl	Amortizationof Other Leasing Costs AmortizationofOtherLeasingCosts	4908000	USD
CY2019	gcnl	Amortizationof Other Leasing Costs AmortizationofOtherLeasingCosts	3581000	USD
CY2018	gcnl	Amortizationof Other Leasing Costs AmortizationofOtherLeasingCosts	3557000	USD
CY2020Q4	gcnl	Amortizationof Above Below Market Leases Next Twelve Months AmortizationofAboveBelowMarketLeasesNextTwelveMonths	2118000000	USD
CY2020Q4	gcnl	Amortizationof Deferred Leasing Fees Next Twelve Months AmortizationofDeferredLeasingFeesNextTwelveMonths	57243000000	USD
CY2020Q4	gcnl	Amortizationof Ground Leasehold Interest Next Twelve Months AmortizationofGroundLeaseholdInterestNextTwelveMonths	290000000	USD
CY2020Q4	gcnl	Amortizationof Other Leasing Costs Next Twelve Months AmortizationofOtherLeasingCostsNextTwelveMonths	5862000000	USD
CY2020Q4	gcnl	Amortizationof Aboveand Below Market Leases Year Two AmortizationofAboveandBelowMarketLeasesYearTwo	2518000000	USD
CY2020Q4	gcnl	Amortizationof Deferred Leasing Fees Year Two AmortizationofDeferredLeasingFeesYearTwo	54114000000	USD
CY2020Q4	gcnl	Amortizationof Ground Leasehold Interest Year Two AmortizationofGroundLeaseholdInterestYearTwo	290000000	USD
CY2020Q4	gcnl	Amortizationof Other Leasing Costs Year Two AmortizationofOtherLeasingCostsYearTwo	5867000000	USD
CY2020Q4	gcnl	Amortizationof Aboveand Below Market Leases Year Three AmortizationofAboveandBelowMarketLeasesYearThree	2465000000	USD
CY2020Q4	gcnl	Amortizationof Deferred Leasing Fees Year Three AmortizationofDeferredLeasingFeesYearThree	49551000000	USD
CY2020Q4	gcnl	Amortizationof Ground Leasehold Interest Year Three AmortizationofGroundLeaseholdInterestYearThree	290000000	USD
CY2020Q4	gcnl	Amortizationof Other Leasing Costs Year Three AmortizationofOtherLeasingCostsYearThree	5739000000	USD
CY2020Q4	gcnl	Amortizationof Aboveand Below Market Leases Year Four AmortizationofAboveandBelowMarketLeasesYearFour	1648000000	USD
CY2020Q4	gcnl	Amortizationof Deferred Leasing Fees Year Four AmortizationofDeferredLeasingFeesYearFour	37371000000	USD
CY2020Q4	gcnl	Amortizationof Ground Leasehold Interest Year Four AmortizationofGroundLeaseholdInterestYearFour	291000000	USD
CY2020Q4	gcnl	Amortizationof Other Leasing Costs Year Four AmortizationofOtherLeasingCostsYearFour	5504000000	USD
CY2020Q4	gcnl	Amortizationof Aboveand Below Market Leases Year Five AmortizationofAboveandBelowMarketLeasesYearFive	1186000	USD
CY2020Q4	gcnl	Amortizationof Deferred Leasing Fees Year Five AmortizationofDeferredLeasingFeesYearFive	26813000000	USD
CY2020Q4	gcnl	Amortizationof Ground Leasehold Interest Year Five AmortizationofGroundLeaseholdInterestYearFive	290000000	USD
CY2020Q4	gcnl	Amortizationof Other Leasing Costs Year Five AmortizationofOtherLeasingCostsYearFive	5385000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2152593000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1979072000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	12166000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	9968000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	2140427000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	1969104000	USD
CY2020Q4	us-gaap	Debt Instrument Term DebtInstrumentTerm	P5Y
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	9587000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	10216000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	337387000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	433921000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	120111000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1241371000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2152593000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	577000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	11589000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	2140427000	USD
CY2020Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	13800000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-54000000.0	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-24100000	USD
CY2020Q4	gcnl	Accrued Tenant Obligations AccruedTenantObligations	30011000	USD
CY2019Q4	gcnl	Accrued Tenant Obligations AccruedTenantObligations	11802000	USD
CY2020Q4	us-gaap	Accrued Rent Current And Noncurrent AccruedRentCurrentAndNoncurrent	20780000	USD
CY2019Q4	us-gaap	Accrued Rent Current And Noncurrent AccruedRentCurrentAndNoncurrent	20510000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	114434000	USD
CY2020Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current And Noncurrent AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent	15380000	USD
CY2019Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current And Noncurrent AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent	13385000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	10599000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	9209000	USD
CY2020Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	9147000	USD
CY2019Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	12264000	USD
CY2020Q4	gcnl	Accrued Property Operating Expenses AccruedPropertyOperatingExpenses	8473000	USD
CY2019Q4	gcnl	Accrued Property Operating Expenses AccruedPropertyOperatingExpenses	7752000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	20044000	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	21467000	USD
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	96389000	USD
	gcnl	Contribution Agreement Earnout Considerationas Percentageof Advisory Fees ContributionAgreementEarnoutConsiderationasPercentageofAdvisoryFees	0.3725
	gcnl	Contribution Agreement Earnout Considerationas Percentageof Advisory Fees ContributionAgreementEarnoutConsiderationasPercentageofAdvisoryFees	0.3725
	gcnl	Contribution Agreement Earnout Consideration Limit Percentageof Common Equity Invested ContributionAgreementEarnoutConsiderationLimitPercentageofCommonEquityInvested	0.025
CY2019	gcnl	Distributions Capital Gain DistributionsCapitalGain	0.08
CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2600000	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	300000	USD
CY2020	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	100000	USD
CY2020Q4	gcnl	Number Of Impaired Properties NumberOfImpairedProperties	3	realEstateProperty
CY2020	srt	Mortgage Loans On Real Estate Number Of Loans MortgageLoansOnRealEstateNumberOfLoans	10	loan
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	2800000000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	2800000000	USD
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	230320668	shares
CY2020	gcnl	Distributions Capital Gain DistributionsCapitalGain	0
CY2020	gcnl	Distributions Capital Gain Percent DistributionsCapitalGainPercent	0
CY2020Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	3272000	USD
CY2020	gcnl	Distributions Ordinary Income DistributionsOrdinaryIncome	0.13
CY2020	gcnl	Distributions Ordinary Income Percent DistributionsOrdinaryIncomePercent	0.33
CY2019	gcnl	Distributions Ordinary Income DistributionsOrdinaryIncome	0.22
CY2019	gcnl	Distributions Ordinary Income Percent DistributionsOrdinaryIncomePercent	0.37
CY2018	gcnl	Distributions Ordinary Income DistributionsOrdinaryIncome	0.32
CY2018	gcnl	Distributions Ordinary Income Percent DistributionsOrdinaryIncomePercent	0.47
CY2020	gcnl	Limited Partners Capital Account Units Issuedin Exchangefor Property LimitedPartnersCapitalAccountUnitsIssuedinExchangeforProperty	31800000	shares
CY2020	gcnl	Distributions Total DistributionsTotal	0.40
CY2020	gcnl	Distributions Total Percent DistributionsTotalPercent	1
CY2020Q4	gcnl	Percentage Of Noncontrolling Interests Based On Weighted Average Shares PercentageOfNoncontrollingInterestsBasedOnWeightedAverageShares	0.120
CY2019	gcnl	Distributions Capital Gain Percent DistributionsCapitalGainPercent	0.13
CY2018	gcnl	Distributions Capital Gain DistributionsCapitalGain	0
CY2018	gcnl	Distributions Capital Gain Percent DistributionsCapitalGainPercent	0
CY2020	gcnl	Distributions Returnof Capital DistributionsReturnofCapital	0.27
CY2020	gcnl	Distributions Returnof Capital Percent DistributionsReturnofCapitalPercent	0.67
CY2019	gcnl	Distributions Returnof Capital DistributionsReturnofCapital	0.30
CY2019	gcnl	Distributions Returnof Capital Percent DistributionsReturnofCapitalPercent	0.50
CY2018	gcnl	Distributions Returnof Capital DistributionsReturnofCapital	0.36
CY2018	gcnl	Distributions Returnof Capital Percent DistributionsReturnofCapitalPercent	0.53
CY2019	gcnl	Distributions Total DistributionsTotal	0.60
CY2019	gcnl	Distributions Total Percent DistributionsTotalPercent	1
CY2018	gcnl	Distributions Total DistributionsTotal	0.68
CY2018	gcnl	Distributions Total Percent DistributionsTotalPercent	1
CY2020	gcnl	Limited Partners Capital Account Units With Mandatory Hold Period Issuedin Exchangefor Property LimitedPartnersCapitalAccountUnitsWithMandatoryHoldPeriodIssuedinExchangeforProperty	20400000	shares
CY2020Q4	us-gaap	Limited Partners Capital Account Units Issued LimitedPartnersCapitalAccountUnitsIssued	200000	shares
CY2019Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	10883000	USD
CY2020	gcnl	Partnership Unit Exchange In Share PartnershipUnitExchangeInShare	1	shares
CY2020	gcnl	Repurchase Of Redeemable Noncontrolling Interest RepurchaseOfRedeemableNoncontrollingInterest	134383	shares
CY2020Q1	gcnl	Repurchase Of Redeemable Noncontrolling Interest RepurchaseOfRedeemableNoncontrollingInterest	6000	shares
CY2020	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	911000	USD
CY2019	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	8892000	USD
CY2018	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
CY2020Q4	us-gaap	Due From Related Parties DueFromRelatedParties	1411000	USD
CY2019Q4	us-gaap	Due From Related Parties DueFromRelatedParties	837000	USD
CY2020	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	15037000	USD
CY2019	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	25244000	USD
CY2018	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	45084000	USD
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	314100000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	291400000	USD
CY2018	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	247400000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	300861000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	302912000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	289261000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	249419000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	208153000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	937408000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	2288014000	USD
CY2020Q4	us-gaap	Number Of Properties Subject To Ground Leases NumberOfPropertiesSubjectToGroundLeases	3	lease
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	3700000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	2800000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	1600000	USD
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	538412000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	1200000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P80Y1M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P80Y10M24D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0498
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0498
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1632000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1675000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1741000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1776000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1727000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	285011000	USD
CY2020Q3	gcnl	Common Stock Dividends Declared Per Share Annualized Equivalent CommonStockDividendsDeclaredPerShareAnnualizedEquivalent	0.35
CY2020Q4	gcnl	Common Stock Dividends Declared Per Share Daily Rate CommonStockDividendsDeclaredPerShareDailyRate	0.000956284
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	293562000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	247916000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	45646000	USD
CY2020Q4	gcnl	Common Stock Dividends Declared Per Share Daily Rate CommonStockDividendsDeclaredPerShareDailyRate	0.000956284
CY2020Q3	gcnl	Common Stock Dividends Declared Per Share Daily Rate CommonStockDividendsDeclaredPerShareDailyRate	0.000956284
CY2020Q4	gcnl	Common Stock Dividends Declared Per Share Annualized Equivalent CommonStockDividendsDeclaredPerShareAnnualizedEquivalent	0.35
CY2020Q4	gcnl	Common Stock Dividends Declared Per Share Annualized Equivalent CommonStockDividendsDeclaredPerShareAnnualizedEquivalent	0.35
CY2020Q4	gcnl	Common Stock Dividends Declared Per Share Daily Rate CommonStockDividendsDeclaredPerShareDailyRate	0.000958904
CY2020Q4	gcnl	Common Stock Dividends Declared Per Share Annualized Equivalent CommonStockDividendsDeclaredPerShareAnnualizedEquivalent	0.35
CY2020Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	1029093000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	455895000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	3616395000	USD
CY2020Q4	us-gaap	Sec Schedule Iii Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Buildings And Improvements SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements	253765000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	445674000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	3864628000	USD
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	4310302000	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	817773000	USD
CY2020Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	600000	USD
CY2020Q4	us-gaap	Sec Schedule Iii Real Estate Investment Property Net SECScheduleIIIRealEstateInvestmentPropertyNet	4100000000	USD
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	4278433000	USD
CY2018Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3073364000	USD
CY2017Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2869328000	USD
CY2020	gcnl	Acquisitions During Period AcquisitionsDuringPeriod	36144000	USD
CY2019	gcnl	Acquisitions During Period AcquisitionsDuringPeriod	1305998000	USD
CY2018	gcnl	Acquisitions During Period AcquisitionsDuringPeriod	193430000	USD
CY2020	us-gaap	Real Estate Improvements RealEstateImprovements	72306000	USD
CY2019	us-gaap	Real Estate Improvements RealEstateImprovements	51440000	USD
CY2018	us-gaap	Real Estate Improvements RealEstateImprovements	26883000	USD
CY2020	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	23472000	USD
CY2019	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	30734000	USD
CY2018	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	0	USD
CY2020	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	53109000	USD
CY2019	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	121635000	USD
CY2018	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	16277000	USD
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	4310302000	USD
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	4278433000	USD
CY2018Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3073364000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	668104000	USD
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	538412000	USD
CY2017Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	426752000	USD
CY2020	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	161056000	USD
CY2019	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	153425000	USD
CY2018	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	119168000	USD
CY2020	gcnl	Sec Schedule Iii Real Estate Accumulated Depreciation Nonreal Estate Assets SECScheduleIIIRealEstateAccumulatedDepreciationNonrealEstateAssets	4619000	USD
CY2019	gcnl	Sec Schedule Iii Real Estate Accumulated Depreciation Nonreal Estate Assets SECScheduleIIIRealEstateAccumulatedDepreciationNonrealEstateAssets	7769000	USD
CY2018	gcnl	Sec Schedule Iii Real Estate Accumulated Depreciation Nonreal Estate Assets SECScheduleIIIRealEstateAccumulatedDepreciationNonrealEstateAssets	3584000	USD
CY2020	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	6768000	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	15964000	USD
CY2018	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	3924000	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	817773000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	668104000	USD
CY2020Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	3492529000	USD
CY2019Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	3610329000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2534952000	USD

Files In Submission

Name	View Source	Status
0001600626-21-000071-index-headers.html	Edgar Link	pending
0001600626-21-000071-index.html	Edgar Link	pending
0001600626-21-000071.txt	Edgar Link	pending
0001600626-21-000071-xbrl.zip	Edgar Link	pending
exhibit211-gcearsubsidiari.htm	Edgar Link	pending
exhibit231_eyconsent.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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gcnl-20201231.xsd	Edgar Link	pending
gcnl-20201231_cal.xml	Edgar Link	unprocessable
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gcnl-20201231_htm.xml	Edgar Link	completed
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2019 Q4 Form 10-K Financial Statement

#000160062621000071 Filed on February 26, 2021

Income Statement

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Facts In Submission

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$PKST Peakstone Realty Trust Stock $pkst

2019 Q4 Form 10-K Financial Statement

#000160062621000071 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PKST
Peakstone Realty Trust Stock $pkst