$GCMG
GCM Grosvenor Inc. Stock $gcmg

$gcmg Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000181979621000029 Filed on March 12, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2018
Revenue	$155.5M	$101.3M	$378.5M
YoY Change	53.5%		0.4%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$220.7M	$92.30M	$92.96M
YoY Change	139.11%		-69.47%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.420M	$2.610M	$11.66M
YoY Change	-7.28%		-1.99%
% of Gross Profit
Operating Expenses	$220.7M	$92.30M	$303.4M
YoY Change	139.11%		-0.37%
Operating Profit			$75.13M
YoY Change
Interest Expense	-$19.20M	-$6.600M	$26.47M
YoY Change	190.91%		-213.11%
% of Operating Profit			35.23%
Other Income/Expense, Net	$10.10M	$4.600M	-$10.05M
YoY Change	119.57%		-139.87%
Pretax Income	-$82.20M	$7.000M	$65.08M
YoY Change	-1274.29%		-12.41%
Income Tax	$2.800M	$700.0K	$1.395M
% Of Pretax Income		10.0%	2.14%
Net Earnings	$4.049M	$5.300M	$0.00
YoY Change	-23.6%		-100.0%
Net Earnings / Revenue	2.6%	5.23%	0.0%
Basic Earnings Per Share	$0.10		$0.00
Diluted Earnings Per Share	-$0.58	$28.53K	$0.00
COMMON SHARES
Basic Shares Outstanding	39.98M shares		0.000 shares
Diluted Shares Outstanding	184.2M shares		0.000 shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments	$198.1M		$68.10M
YoY Change
Cash & Equivalents	$198.1M	$79.87M	$68.10M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$14.50M		$19.00M
Other Receivables	$80.80M		$20.30M
Total Short-Term Assets	$293.4M		$107.4M
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$7.870M	$8.871M	$7.400M
YoY Change	-11.28%
Goodwill	$28.96M	$28.96M
YoY Change	0.0%
Intangibles	$8.588M	$16.09M
YoY Change	-46.63%
Long-Term Investments	$165.1M	$154.9M	$172.3M
YoY Change	6.58%
Other Assets	$74.20M
YoY Change
Total Long-Term Assets	$338.9M		$264.2M
YoY Change
TOTAL ASSETS
Total Short-Term Assets	$293.4M		$107.4M
Total Long-Term Assets	$338.9M		$264.2M
Total Assets	$632.3M	$373.2M	$371.6M
YoY Change	69.44%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$135.6M		$116.9M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00		$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$196.1M		$116.9M
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt	$335.2M		$429.2M
YoY Change
Other Long-Term Liabilities	$68.10M		$26.60M
YoY Change
Total Long-Term Liabilities	$403.3M		$455.8M
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities	$196.1M		$116.9M
Total Long-Term Liabilities	$403.3M		$455.8M
Total Liabilities	$599.3M	$587.0M	$698.4M
YoY Change	2.11%
SHAREHOLDERS EQUITY
Retained Earnings	-$29.83M
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$29.34M		-$326.8M
YoY Change
Total Liabilities & Shareholders Equity	$632.3M	$373.2M	$371.6M
YoY Change	69.44%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2018
OPERATING ACTIVITIES
Net Income	$4.049M	$5.300M	$0.00
YoY Change	-23.6%		-100.0%
Depreciation, Depletion And Amortization	$2.420M	$2.610M	$11.66M
YoY Change	-7.28%		-1.99%
Cash From Operating Activities	$25.04M	$61.36M	$117.0M
YoY Change	-59.19%		-7.56%
INVESTING ACTIVITIES
Capital Expenditures	-$140.0K	-$18.11M	$868.0K
YoY Change	-99.23%		-105.43%
Acquisitions
YoY Change
Other Investing Activities	-$2.680M	$16.50M	$31.20M
YoY Change	-116.24%		41.82%
Cash From Investing Activities	-$2.830M	-$1.610M	$7.962M
YoY Change	75.78%		34.95%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	16.99M	-34.93M	-$153.8M
YoY Change	-148.64%		-0.86%
NET CHANGE
Cash From Operating Activities	25.04M	61.36M	$117.0M
Cash From Investing Activities	-2.830M	-1.610M	$7.962M
Cash From Financing Activities	16.99M	-34.93M	-$153.8M
Net Change In Cash	39.20M	24.82M	-$28.96M
YoY Change	57.94%		28.15%
FREE CASH FLOW
Cash From Operating Activities	$25.04M	$61.36M	$117.0M
Capital Expenditures	-$140.0K	-$18.11M	$868.0K
Free Cash Flow	$25.18M	$79.47M	$116.2M
YoY Change	-68.32%		-18.54%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001819796
CY2018	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	us-gaap:AccountingStandardsUpdate201409Member
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	us-gaap:AccountingStandardsUpdate201712Member
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	class_of_stock
CY2020	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	class_of_stock
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1	P5Y
CY2020Q4	gcm	Broker Dealer Minimum Net Capital Required Aggregate Indebtedness Standard Percent BrokerDealerMinimumNetCapitalRequiredAggregateIndebtednessStandardPercent	0.066666
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	001-39716
CY2020	dei	Entity Registrant Name EntityRegistrantName	GCM Grosvenor Inc.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	85-2226287
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	900 North Michigan Avenue, Suite 1100
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Chicago
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	60611
CY2020	dei	City Area Code CityAreaCode	312
CY2020	dei	Local Phone Number LocalPhoneNumber	506-6500
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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	true
CY2020	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	0	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	198146000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	79866000	USD
CY2020Q4	gcm	Contract With Customer Asset Management Fees Receivable ContractWithCustomerAssetManagementFeesReceivable	14524000	USD
CY2019Q4	gcm	Contract With Customer Asset Management Fees Receivable ContractWithCustomerAssetManagementFeesReceivable	13896000	USD
CY2020Q4	gcm	Contract With Customer Asset Incentive Fees Receivable ContractWithCustomerAssetIncentiveFeesReceivable	69424000	USD
CY2019Q4	gcm	Contract With Customer Asset Incentive Fees Receivable ContractWithCustomerAssetIncentiveFeesReceivable	20771000	USD
CY2020Q4	us-gaap	Due From Related Parties DueFromRelatedParties	11326000	USD
CY2019Q4	us-gaap	Due From Related Parties DueFromRelatedParties	10226000	USD
CY2020Q4	us-gaap	Investments Investments	166273000	USD
CY2019Q4	us-gaap	Investments Investments	159358000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7870000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	8871000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8588000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	16092000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	28959000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	28959000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	73766000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	34991000	USD
CY2020Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	60926000	USD
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	126000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	53015000	USD
CY2020Q4	us-gaap	Assets Assets	631891000	USD
CY2019Q4	us-gaap	Assets Assets	373156000	USD
CY2020Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	74681000	USD
CY2019Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	63668000	USD
CY2020Q4	us-gaap	Other Employee Related Liabilities Current And Noncurrent OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent	25274000	USD
CY2019Q4	us-gaap	Other Employee Related Liabilities Current And Noncurrent OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent	22614000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	335155000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	448500000	USD
CY2020Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	60131000	USD
CY2019Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	0	USD
CY2019Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	52204000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	556167000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	586986000	USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	115121000	USD
CY2019Q4	us-gaap	Limited Partners Capital Account LimitedPartnersCapitalAccount	-308373000	USD
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2298000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2233000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6854000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-20098000	USD
CY2019Q4	us-gaap	Members Capital MembersCapital	-66000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	-20015000	USD
CY2019Q4	us-gaap	Partners Capital PartnersCapital	-315293000	USD
CY2020Q4	us-gaap	Other Minority Interests OtherMinorityInterests	94013000	USD
CY2019Q4	us-gaap	Partners Capital Attributable To Noncontrolling Interest PartnersCapitalAttributableToNoncontrollingInterest	101463000	USD
CY2020Q4	us-gaap	Minority Interest In Limited Partnerships MinorityInterestInLimitedPartnerships	-113395000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-39397000	USD
CY2019Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	-213830000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	631891000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	373156000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	429981000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	416394000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	378496000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	388465000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	242967000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	210414000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	82374000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	88458000	USD
CY2019	us-gaap	Operating Expenses OperatingExpenses	331425000	USD
CY2019	us-gaap	Interest Expense InterestExpense	25680000	USD
CY2018	us-gaap	Interest Expense InterestExpense	26468000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	92955000	USD
CY2020	us-gaap	Operating Expenses OperatingExpenses	470839000	USD
CY2018	us-gaap	Operating Expenses OperatingExpenses	303369000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-40858000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	84969000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	75127000	USD
CY2020	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	10742000	USD
CY2019	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	7521000	USD
CY2018	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	16963000	USD
CY2020	us-gaap	Interest Expense InterestExpense	23446000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-9562000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-4494000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-542000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2318000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-22266000	USD
CY2018	us-gaap	Noncontrolling Interest In Net Income Loss Other Noncontrolling Interests Nonredeemable NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable	24486000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-22653000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-10047000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-63124000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	62316000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	65080000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4506000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1395000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-67630000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	59998000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63685000	USD
CY2020	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	14069000	USD
CY2019	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	0	USD
CY2018	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	0	USD
CY2020	us-gaap	Noncontrolling Interest In Net Income Loss Other Noncontrolling Interests Nonredeemable NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable	11617000	USD
CY2019	us-gaap	Noncontrolling Interest In Net Income Loss Other Noncontrolling Interests Nonredeemable NoncontrollingInterestInNetIncomeLossOtherNoncontrollingInterestsNonredeemable	13221000	USD
CY2020	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	-100823000	USD
CY2019	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	46777000	USD
CY2018	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	39199000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7507000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	0	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	0	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.50
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39984515	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	0	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	0	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	184219761	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	0	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	0	shares
CY2020	us-gaap	Profit Loss ProfitLoss	-67630000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	59998000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63685000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4880000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-6521000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1264000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	778000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	253000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-110000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4102000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6268000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1154000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-71732000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	53730000	USD
CY2018	us-gaap	Partners Capital Account Distributions PartnersCapitalAccountDistributions	82247000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	64839000	USD
CY2020	gcm	Comprehensive Income Loss Net Of Tax Attributable To Redeemable Noncontrolling Interest ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest	14069000	USD
CY2019	gcm	Comprehensive Income Loss Net Of Tax Attributable To Redeemable Noncontrolling Interest ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest	0	USD
CY2018	gcm	Comprehensive Income Loss Net Of Tax Attributable To Redeemable Noncontrolling Interest ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest	0	USD
CY2020	gcm	Comprehensive Income Loss Net Of Tax Attributable To Other Noncontrolling Interests Nonredeemable ComprehensiveIncomeLossNetOfTaxAttributableToOtherNoncontrollingInterestsNonredeemable	11617000	USD
CY2019	gcm	Comprehensive Income Loss Net Of Tax Attributable To Other Noncontrolling Interests Nonredeemable ComprehensiveIncomeLossNetOfTaxAttributableToOtherNoncontrollingInterestsNonredeemable	13221000	USD
CY2018	gcm	Comprehensive Income Loss Net Of Tax Attributable To Other Noncontrolling Interests Nonredeemable ComprehensiveIncomeLossNetOfTaxAttributableToOtherNoncontrollingInterestsNonredeemable	24486000	USD
CY2020	gcm	Comprehensive Income Loss Net Of Tax Attributable To Limited Partnerships Nonredeemable ComprehensiveIncomeLossNetOfTaxAttributableToLimitedPartnershipsNonredeemable	-105174000	USD
CY2019	gcm	Comprehensive Income Loss Net Of Tax Attributable To Limited Partnerships Nonredeemable ComprehensiveIncomeLossNetOfTaxAttributableToLimitedPartnershipsNonredeemable	40509000	USD
CY2018	gcm	Comprehensive Income Loss Net Of Tax Attributable To Limited Partnerships Nonredeemable ComprehensiveIncomeLossNetOfTaxAttributableToLimitedPartnershipsNonredeemable	40353000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	7756000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	0	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	0	USD
CY2017Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	-160407000	USD
CY2018	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	6447000	USD
CY2018	gcm	Partners Capital Account Deemed Contributions PartnersCapitalAccountDeemedContributions	19495000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	253000	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	49234000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1264000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-110000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63685000	USD
CY2018Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	-201107000	USD
CY2019	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	4720000	USD
CY2019	us-gaap	Partners Capital Account Contributions PartnersCapitalAccountContributions	18000	USD
CY2019	gcm	Partners Capital Account Deemed Contributions PartnersCapitalAccountDeemedContributions	30233000	USD
CY2019	us-gaap	Partners Capital Account Distributions PartnersCapitalAccountDistributions	69624000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	43660000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-6521000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	59998000	USD
CY2019Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	-213830000	USD
CY2019Q4	us-gaap	Partners Capital Including Portion Attributable To Noncontrolling Interest PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest	-213830000	USD
	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	4035000	USD
	gcm	Temporary Equity Capital Contributions TemporaryEquityCapitalContributions	173797000	USD
	gcm	Partners Capital Account Deemed Contributions PartnersCapitalAccountDeemedContributions	42410000	USD
	us-gaap	Partners Capital Account Distributions PartnersCapitalAccountDistributions	153670000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	23102000	USD
	gcm	Temporary Equity Capital Distributions TemporaryEquityCapitalDistributions	16710000	USD
	gcm	Stockholders Equity Reallocation From To Temporary Equity StockholdersEquityReallocationFromToTemporaryEquity	60935000	USD
	gcm	Temporary Equity Reallocation To From Temporary Equity TemporaryEquityReallocationToFromTemporaryEquity	-60935000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-5641000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	393000	USD
	us-gaap	Profit Loss ProfitLoss	-3050000	USD
	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	5944000	USD
CY2020Q4	gcm	Stockholders Equity Recapitalization StockholdersEquityRecapitalization	-111638000	USD
CY2020Q4	gcm	Adjustments To Additional Paid In Capital Deferred Tax Adjustment AdjustmentsToAdditionalPaidInCapitalDeferredTaxAdjustment	14140000	USD
CY2020Q4	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	47824000	USD
CY2020Q4	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	10581000	USD
CY2020Q4	gcm	Noncontrolling Interest Increase Deemed Contributions NoncontrollingInterestIncreaseDeemedContributions	129948000	USD
CY2020Q4	gcm	Stockholders Equity Reallocation From To Temporary Equity StockholdersEquityReallocationFromToTemporaryEquity	-4900000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	10289000	USD
CY2020Q4	gcm	Temporary Equity Reallocation To From Temporary Equity TemporaryEquityReallocationToFromTemporaryEquity	4900000	USD
CY2020Q4	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	761000	USD
CY2020Q4	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	385000	USD
CY2020Q4	us-gaap	Profit Loss ProfitLoss	-78649000	USD
CY2020Q4	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	8125000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-39397000	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	115121000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-67630000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	59998000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63685000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9818000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10338000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	11663000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	629000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	0	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	0	USD
CY2020	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	4564000	USD
CY2019	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	4030000	USD
CY2018	us-gaap	Employee Benefits And Share Based Compensation Noncash EmployeeBenefitsAndShareBasedCompensationNoncash	1788000	USD
CY2020	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	172358000	USD
CY2019	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	30233000	USD
CY2018	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	19495000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1336000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1643000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1686000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1514000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-8572000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-5417000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1344000	USD
CY2020	gcm	Amortization Of Deferred Rent Credit AmortizationOfDeferredRentCredit	130000	USD
CY2019	gcm	Amortization Of Deferred Rent Credit AmortizationOfDeferredRentCredit	152000	USD
CY2018	gcm	Amortization Of Deferred Rent Credit AmortizationOfDeferredRentCredit	-897000	USD
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	8050000	USD
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	18347000	USD
CY2020	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	10742000	USD
CY2019	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	7521000	USD
CY2018	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	16963000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-94000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-526000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-539000	USD
CY2020	gcm	Increase Decrease In Contract With Customer Asset Management Fees Receivable IncreaseDecreaseInContractWithCustomerAssetManagementFeesReceivable	595000	USD
CY2019	gcm	Increase Decrease In Contract With Customer Asset Management Fees Receivable IncreaseDecreaseInContractWithCustomerAssetManagementFeesReceivable	-5132000	USD
CY2018	gcm	Increase Decrease In Contract With Customer Asset Management Fees Receivable IncreaseDecreaseInContractWithCustomerAssetManagementFeesReceivable	291000	USD
CY2020	gcm	Increase Decrease In Contract With Customer Asset Incentive Fees Receivable IncreaseDecreaseInContractWithCustomerAssetIncentiveFeesReceivable	48653000	USD
CY2019	gcm	Increase Decrease In Contract With Customer Asset Incentive Fees Receivable IncreaseDecreaseInContractWithCustomerAssetIncentiveFeesReceivable	7242000	USD
CY2018	gcm	Increase Decrease In Contract With Customer Asset Incentive Fees Receivable IncreaseDecreaseInContractWithCustomerAssetIncentiveFeesReceivable	-7594000	USD
CY2020	us-gaap	Increase Decrease In Due From Related Parties IncreaseDecreaseInDueFromRelatedParties	1100000	USD
CY2019	us-gaap	Increase Decrease In Due From Related Parties IncreaseDecreaseInDueFromRelatedParties	3467000	USD
CY2018	us-gaap	Increase Decrease In Due From Related Parties IncreaseDecreaseInDueFromRelatedParties	1218000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	16568000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5876000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1968000	USD
CY2020	gcm	Increase Decrease In Accrued Employee Benefits IncreaseDecreaseInAccruedEmployeeBenefits	6295000	USD
CY2019	gcm	Increase Decrease In Accrued Employee Benefits IncreaseDecreaseInAccruedEmployeeBenefits	-3531000	USD
CY2018	gcm	Increase Decrease In Accrued Employee Benefits IncreaseDecreaseInAccruedEmployeeBenefits	-459000	USD
CY2020	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	2660000	USD
CY2019	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-4029000	USD
CY2018	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	6583000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-2562000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	101000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	2165000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	68170000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	96193000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	117029000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1308000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3995000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	868000	USD
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	23911000	USD
CY2019	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	21505000	USD
CY2018	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	23210000	USD
CY2020	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	19688000	USD
CY2019	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	31630000	USD
CY2018	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	32040000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5531000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	6130000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	7962000	USD
CY2020	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	177832000	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	4720000	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	6447000	USD
CY2020	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	0	USD
CY2019	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	18000	USD
CY2018	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	0	USD
CY2020	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	153670000	USD
CY2019	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	69624000	USD
CY2018	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	82247000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	39812000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	43660000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	49234000	USD
CY2020	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	20000000	USD
CY2019	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	25000000	USD
CY2018	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	0	USD
CY2020	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	45000000	USD
CY2019	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	0	USD
CY2018	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	0	USD
CY2020	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	91195000	USD
CY2019	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	7325000	USD
CY2018	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	27447000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1291000	USD
CY2020	gcm	Proceeds From Recapitalization Transaction ProceedsFromRecapitalizationTransaction	179857000	USD
CY2019	gcm	Proceeds From Recapitalization Transaction ProceedsFromRecapitalizationTransaction	0	USD
CY2018	gcm	Proceeds From Recapitalization Transaction ProceedsFromRecapitalizationTransaction	0	USD
CY2020	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	6745000	USD
CY2019	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	0	USD
CY2018	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	54757000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-90871000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-153772000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	884000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	314000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-182000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	118280000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	11766000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-28963000	USD
CY2020Q4	gcm	Cash And Cash Equivalents Stable Value Threshold CashAndCashEquivalentsStableValueThreshold	1.00
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	79866000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	68100000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	97063000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	198146000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	79866000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	68100000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	21464000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	22674000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	23587000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3160000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1739000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1352000	USD
CY2020	gcm	Deemed Contributions From Equityholders DeemedContributionsFromEquityholders	172358000	USD
CY2019	gcm	Deemed Contributions From Equityholders DeemedContributionsFromEquityholders	30233000	USD
CY2018	gcm	Deemed Contributions From Equityholders DeemedContributionsFromEquityholders	19495000	USD
CY2020	gcm	Deferred Tax Assets Net Related To Tax Receivable Agreement And Recapitalization DeferredTaxAssetsNetRelatedToTaxReceivableAgreementAndRecapitalization	14140000	USD
CY2020Q4	gcm	Cash And Cash Equivalents Stable Value Threshold CashAndCashEquivalentsStableValueThreshold	1.00
CY2019	gcm	Deferred Tax Assets Net Related To Tax Receivable Agreement And Recapitalization DeferredTaxAssetsNetRelatedToTaxReceivableAgreementAndRecapitalization	0	USD
CY2018	gcm	Deferred Tax Assets Net Related To Tax Receivable Agreement And Recapitalization DeferredTaxAssetsNetRelatedToTaxReceivableAgreementAndRecapitalization	0	USD
CY2019Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	0	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:10pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:10pt;text-align:justify;text-indent:27pt"><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 the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</span></div>
CY2020Q4	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	0	USD
CY2020Q4	gcm	Contract With Customer Liability Realized Carried Interest ContractWithCustomerLiabilityRealizedCarriedInterest	8500000	USD
CY2019Q4	gcm	Contract With Customer Liability Realized Carried Interest ContractWithCustomerLiabilityRealizedCarriedInterest	11200000	USD
CY2019	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	9200000	USD
CY2020	us-gaap	Incentive Distribution Policy Managing Member Or General Partner Description IncentiveDistributionPolicyManagingMemberOrGeneralPartnerDescription	<div style="margin-top:10pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Distribution Relationships</span></div><div style="margin-top:10pt;text-align:justify;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company has entered into a number of distribution relationships with financial services firms to assist it in developing and servicing its client base. These relationships are non-exclusive and generally enable the Company to have direct contact with major clients.</span></div>Management and incentive fee revenue in the Consolidated Statements of Income is recorded on a gross basis.
CY2020	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	7800000	USD
CY2018	us-gaap	Sales Commissions And Fees SalesCommissionsAndFees	10300000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	13500000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	14900000	USD
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:10pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentration</span></div><div style="margin-top:10pt;text-align:justify;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company has a client base that is diversified across a range of different types of institutional clients and also includes high net worth individuals. The institutional client base consists primarily of public, corporate and Taft-Hartley pension funds as well as banks, insurance companies, sovereign entities, foundations and endowments. The client base is also geographically diversified with concentrations in North America, Asia, the Middle East and Europe.</span></div>
CY2020Q1	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	125400000	USD
CY2020Q1	gcm	Proceeds From Noncontrolling Interests For Funding Of Future Investment Commitments ProceedsFromNoncontrollingInterestsForFundingOfFutureInvestmentCommitments	48000000.0	USD
CY2020Q1	gcm	Variable Interest Entity Maximum Potential Payment VariableInterestEntityMaximumPotentialPayment	19900000	USD
CY2020Q4	gcm	Variable Interest Entity Potential Payment VariableInterestEntityPotentialPayment	4900000	USD
CY2020Q4	gcm	Variable Interest Entity Potential Payment VariableInterestEntityPotentialPayment	4900000	USD
CY2020Q1	gcm	Variable Interest Entity Recall Amount VariableInterestEntityRecallAmount	15100000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	3600000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1800000	USD
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	165095000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	154900000	USD
CY2020Q4	us-gaap	Other Investments OtherInvestments	1178000	USD
CY2019Q4	us-gaap	Other Investments OtherInvestments	4458000	USD
CY2020Q4	us-gaap	Investments Investments	166273000	USD
CY2019Q4	us-gaap	Investments Investments	159358000	USD
CY2020Q4	us-gaap	Investments Investments	166300000	USD
CY2019Q4	us-gaap	Investments Investments	159400000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	149553000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	28442000	USD
CY2020Q4	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	121111000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	45209000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	14990000	USD
CY2019Q4	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	30219000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	62358000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	53770000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	8588000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	62358000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	46266000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	16092000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7500000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7800000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7800000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2333000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2316000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1313000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1313000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1313000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	0	USD
CY2020Q4	gcm	Number Of Classes Of Preferred Stock NumberOfClassesOfPreferredStock	1	class_of_stock
CY2020Q4	gcm	Number Of Classes Of Common Stock NumberOfClassesOfCommonStock	3	class_of_stock
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	58576000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	57170000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	50706000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	48299000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7870000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	8871000	USD
CY2020	us-gaap	Depreciation Depreciation	2300000	USD
CY2019	us-gaap	Depreciation Depreciation	2500000	USD
CY2018	us-gaap	Depreciation Depreciation	3900000	USD
CY2020	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	165829000	USD
CY2019	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	169862000	USD
CY2018	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	157351000	USD
CY2020	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	172358000	USD
CY2019	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	30233000	USD
CY2018	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	19495000	USD
CY2020	gcm	Compensation Expense Carried Interest CompensationExpenseCarriedInterest	34260000	USD
CY2019	gcm	Compensation Expense Carried Interest CompensationExpenseCarriedInterest	38842000	USD
CY2018	gcm	Compensation Expense Carried Interest CompensationExpenseCarriedInterest	31780000	USD
CY2020	gcm	Incentive Fee Related Compensation IncentiveFeeRelatedCompensation	11454000	USD
CY2019	gcm	Incentive Fee Related Compensation IncentiveFeeRelatedCompensation	0	USD
CY2018	gcm	Incentive Fee Related Compensation IncentiveFeeRelatedCompensation	0	USD
CY2020	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	4564000	USD
CY2019	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	4030000	USD
CY2018	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	1788000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	388465000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	242967000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	210414000	USD
CY2020	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	172400000	USD
CY2019	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	30200000	USD
CY2018	gcm	Partnership Interest Based Compensation Expense PartnershipInterestBasedCompensationExpense	19500000	USD
CY2020	gcm	Partnership Interest Based Compensation Expense Award Modifications PartnershipInterestBasedCompensationExpenseAwardModifications	46900000	USD
CY2019	gcm	Partnership Interest Based Compensation Expense Award Modifications PartnershipInterestBasedCompensationExpenseAwardModifications	16300000	USD
CY2018	gcm	Partnership Interest Based Compensation Expense Award Modifications PartnershipInterestBasedCompensationExpenseAwardModifications	0.0	USD
CY2019	gcm	Unvested Stated Target Payments UnvestedStatedTargetPayments	12300000	USD
CY2018	gcm	Unvested Stated Target Payments UnvestedStatedTargetPayments	6900000	USD
CY2020	gcm	Unvested Stated Target Payments UnvestedStatedTargetPayments	0	USD
CY2020	gcm	Partnership Interest Based Compensation Expense Profit Interest PartnershipInterestBasedCompensationExpenseProfitInterest	125500000	USD
CY2019	gcm	Partnership Interest Based Compensation Expense Profit Interest PartnershipInterestBasedCompensationExpenseProfitInterest	13900000	USD
CY2018	gcm	Partnership Interest Based Compensation Expense Profit Interest PartnershipInterestBasedCompensationExpenseProfitInterest	16800000	USD
CY2018	gcm	Partnership Interest Based Compensation Expense Equity Awards PartnershipInterestBasedCompensationExpenseEquityAwards	2700000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	5104000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	7954000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	335155000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	448500000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	340259000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	0	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	340259000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1300000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1600000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1700000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	28442000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	14990000	USD
CY2020Q4	gcm	Carried Interest Payable CarriedInterestPayable	3122000	USD
CY2019Q4	gcm	Carried Interest Payable CarriedInterestPayable	4422000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	10033000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	12443000	USD
CY2020Q4	us-gaap	Deferred Rent Credit DeferredRentCredit	7015000	USD
CY2019Q4	us-gaap	Deferred Rent Credit DeferredRentCredit	6885000	USD
CY2020Q4	gcm	Revenue Recognition Clawback Obligation RevenueRecognitionClawbackObligation	1400000	USD
CY2019Q4	gcm	Revenue Recognition Clawback Obligation RevenueRecognitionClawbackObligation	3600000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	28442000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	14990000	USD
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	10914000	USD
CY2019Q4	us-gaap	Other Liabilities OtherLiabilities	9864000	USD
CY2020Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	60926000	USD
CY2019Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	52204000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	8975000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	8323000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	6475000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2941000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	2900000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	2220000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	31834000	USD
CY2020	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	7300000	USD
CY2019	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	6700000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	5900000	USD
CY2020	gcm	Proceeds From Noncontrolling Interests For Funding Of Future Investment Commitments ProceedsFromNoncontrollingInterestsForFundingOfFutureInvestmentCommitments	32100000	USD
CY2020Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	11200000	USD
CY2019Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	10000000.0	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1118000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1771000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1683000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	976000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	988000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	635000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	419000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3877000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2318000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1395000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	937000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-301000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-7000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	629000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4506000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2318000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1395000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.02
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.03
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.01
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.26
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.05
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.08
CY2020	gcm	Effective Income Tax Rate Reconciliation Income Passed Through To Members Percent EffectiveIncomeTaxRateReconciliationIncomePassedThroughToMembersPercent	0.02
CY2019	gcm	Effective Income Tax Rate Reconciliation Income Passed Through To Members Percent EffectiveIncomeTaxRateReconciliationIncomePassedThroughToMembersPercent	-0.16
CY2018	gcm	Effective Income Tax Rate Reconciliation Income Passed Through To Members Percent EffectiveIncomeTaxRateReconciliationIncomePassedThroughToMembersPercent	-0.13
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.01
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.01
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.01
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.01
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	0
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.07
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.04
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.02
CY2020Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	103587000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	0	USD
CY2020Q4	gcm	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards	17000	USD
CY2019Q4	gcm	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards	0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	836000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	126000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	104440000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	126000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	30430000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance		USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	74010000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	126000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	244000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	0	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	244000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	73766000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	126000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	30400000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7507000	USD
CY2020	us-gaap	Dilutive Securities DilutiveSecurities	-98929000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-91422000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39984515	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	144235246	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	184219761	shares
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7507000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39984515	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-91422000	USD
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	184219761	shares
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.50

Files In Submission

Name	View Source	Status
0001819796-21-000029-index-headers.html	Edgar Link	pending
0001819796-21-000029-index.html	Edgar Link	pending
0001819796-21-000029.txt	Edgar Link	pending
0001819796-21-000029-xbrl.zip	Edgar Link	pending
exhibit1010.htm	Edgar Link	pending
exhibit1018.htm	Edgar Link	pending
exhibit1020.htm	Edgar Link	pending
exhibit1022.htm	Edgar Link	pending
exhibit1023.htm	Edgar Link	pending
exhibit1034.htm	Edgar Link	pending
exhibit1035.htm	Edgar Link	pending
exhibit211.htm	Edgar Link	pending
exhibit231.htm	Edgar Link	pending
exhibit311.htm	Edgar Link	pending
exhibit312.htm	Edgar Link	pending
exhibit321.htm	Edgar Link	pending
exhibit322.htm	Edgar Link	pending
exhibit42.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gcm-20201231.htm	Edgar Link	pending
gcm-20201231.xsd	Edgar Link	pending
gcm-20201231_cal.xml	Edgar Link	unprocessable
gcm-20201231_def.xml	Edgar Link	unprocessable
gcm-20201231_g1.jpg	Edgar Link	pending
gcm-20201231_g10.jpg	Edgar Link	pending
gcm-20201231_g11.jpg	Edgar Link	pending
gcm-20201231_g12.jpg	Edgar Link	pending
gcm-20201231_g13.jpg	Edgar Link	pending
gcm-20201231_g14.jpg	Edgar Link	pending
gcm-20201231_g15.jpg	Edgar Link	pending
gcm-20201231_g16.jpg	Edgar Link	pending
gcm-20201231_g2.jpg	Edgar Link	pending
gcm-20201231_g3.jpg	Edgar Link	pending
gcm-20201231_g4.jpg	Edgar Link	pending
gcm-20201231_g5.jpg	Edgar Link	pending
gcm-20201231_g6.jpg	Edgar Link	pending
gcm-20201231_g7.jpg	Edgar Link	pending
gcm-20201231_g8.jpg	Edgar Link	pending
gcm-20201231_g9.jpg	Edgar Link	pending
gcm-20201231_htm.xml	Edgar Link	completed
gcm-20201231_lab.xml	Edgar Link	unprocessable
gcm-20201231_pre.xml	Edgar Link	unprocessable
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$GCMG
GCM Grosvenor Inc. Stock $gcmg

2020 Q4 Form 10-K Financial Statement

#000181979621000029 Filed on March 12, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GCMG GCM Grosvenor Inc. Stock $gcmg

2020 Q4 Form 10-K Financial Statement

#000181979621000029 Filed on March 12, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GCMG
GCM Grosvenor Inc. Stock $gcmg