XML 62 R41.htm IDEA: XBRL DOCUMENT v3.20.1

Real Estate - Leasing Costs For Next Five Years (Details) $ in Thousands	Mar. 31, 2020 USD ($)
In-place lease valuation, net
Remaining 2020	$ (1,386)
2021	(2,119)
2022	(2,519)
2023	(2,466)
2024	(1,649)
2025	(1,182)
Tenant origination and absorption costs
Remaining 2020	46,667
2021	57,989
2022	54,886
2023	50,084
2024	37,724
2025	27,447
Ground leasehold interest
Remaining 2020	(218)
2021	(290)
2022	(290)
2023	(290)
2024	(291)
2025	(290)
Other leasing costs
Remaining 2020	3,994
2021	5,923
2022	5,911
2023	5,783
2024	5,514
2025	$ 5,397

X

- Definition

Amortization of Above (Below) Market Leases, Remainder of Fiscal Year

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofAboveBelowMarketLeasesRemainderofFiscalYear
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of above and below Market Leases, Year Five

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofAboveandBelowMarketLeasesYearFive
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of above and below Market Leases, Year Four

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofAboveandBelowMarketLeasesYearFour
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of above and below Market Leases, Year Six

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofAboveandBelowMarketLeasesYearSix
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of above and below Market Leases, Year Three

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofAboveandBelowMarketLeasesYearThree
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of above and below Market Leases, Year Two

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofAboveandBelowMarketLeasesYearTwo
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Deferred Leasing Fee, Remainder of Fiscal Year

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofDeferredLeasingFeeRemainderofFiscalYear
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Deferred Leasing Fees, Year Five

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofDeferredLeasingFeesYearFive
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Deferred Leasing Fees, Year Four

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofDeferredLeasingFeesYearFour
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Deferred Leasing Fees, Year Six

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofDeferredLeasingFeesYearSix
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Deferred Leasing Fees, Year Three

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofDeferredLeasingFeesYearThree
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Deferred Leasing Fees, Year Two

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofDeferredLeasingFeesYearTwo
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Ground Leasehold Interest, Year Five

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofGroundLeaseholdInterestYearFive
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Ground Leasehold Interest, Year Four

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofGroundLeaseholdInterestYearFour
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Ground Leasehold Interest, Year Six

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofGroundLeaseholdInterestYearSix
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Ground Leasehold Interest, Year Three

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofGroundLeaseholdInterestYearThree
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Ground Leasehold Interest, Year Two

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofGroundLeaseholdInterestYearTwo
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Ground Leasehold Interests, Remainder of Fiscal Year

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofGroundLeaseholdInterestsRemainderofFiscalYear
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Other Leasing Cost, Remainder of Fiscal Year

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofOtherLeasingCostRemainderofFiscalYear
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Other Leasing Costs, Year Five

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofOtherLeasingCostsYearFive
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Other Leasing Costs, Year Four

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofOtherLeasingCostsYearFour
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Other Leasing Costs, Year Six

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofOtherLeasingCostsYearSix
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Other Leasing Costs, Year Three

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofOtherLeasingCostsYearThree
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortization of Other Leasing Costs, Year Two

+ References

No definition available.

+ Details

Name:	gcnl_AmortizationofOtherLeasingCostsYearTwo
Namespace Prefix:	gcnl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Future Ground Leasehold Improvements [Abstract]

+ References

No definition available.

+ Details

Name:	gcnl_FutureGroundLeaseholdImprovementsAbstract
Namespace Prefix:	gcnl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Future In-place Lease [Abstract]

+ References

No definition available.

+ Details

Name:	gcnl_FutureInplaceLeaseAbstract
Namespace Prefix:	gcnl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Future Other Leasing Costs [Abstract]

+ References

No definition available.

+ Details

Name:	gcnl_FutureOtherLeasingCostsAbstract
Namespace Prefix:	gcnl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Future Tenant Origination and Absorption Cost [Abstract]

+ References

No definition available.

+ Details

Name:	gcnl_FutureTenantOriginationandAbsorptionCostAbstract
Namespace Prefix:	gcnl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration