$MHLD
Maiden Holdings, Ltd. Stock $mhld

$mhld Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000141210021000083 Filed on November 09, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q3
Revenue	$25.06M	$21.71M	$40.58M
YoY Change	-37.04%	-46.5%	-66.52%
Cost Of Revenue		$10.51M	$9.065M
YoY Change		15.98%	-93.56%
Gross Profit		$11.19M	$31.51M
YoY Change		-64.48%	-260.37%
Gross Profit Margin		51.57%	77.66%
Selling, General & Admin	$12.15M	$12.96M	$8.200M
YoY Change	-7.23%	58.09%	-7.87%
% of Gross Profit		115.8%	26.02%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$223.0K	$6.313M	$9.651M
YoY Change	-90.71%	-34.59%	-70.54%
% of Gross Profit		56.4%	30.63%
Operating Expenses	$11.91M	$1.990M	$2.448M
YoY Change	-47.75%	-18.71%	17.47%
Operating Profit		$9.204M	$29.06M
YoY Change		-68.33%	-233.73%
Interest Expense	-$3.217M	-$716.0K	-$11.40M
YoY Change	-57.67%	-93.72%	-480.0%
% of Operating Profit		-7.78%	-39.22%
Other Income/Expense, Net
YoY Change
Pretax Income	$9.929M	-$2.485M	$2.179M
YoY Change	5.63%	-214.04%	-103.74%
Income Tax	$378.0K	-$155.0K	$17.00K
% Of Pretax Income	3.81%		0.78%
Net Earnings	$12.39M	-$3.140M	$2.162M
YoY Change	30.39%	-245.24%	-103.71%
Net Earnings / Revenue	49.43%	-14.46%	5.33%
Basic Earnings Per Share		$0.03	$0.03
Diluted Earnings Per Share	$143.3K	$0.03	$0.03
COMMON SHARES
Basic Shares Outstanding	86.44M shares	86.43M shares	84.74M shares
Diluted Shares Outstanding		86.44M shares	84.74M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$26.67M	$29.31M	$91.72M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$473.0K		$1.800M
YoY Change	-70.44%		-30.77%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$83.74M	$75.05M	$1.531B
YoY Change	94.13%	-95.1%	-32.18%
Other Assets	$39.42M	$21.65M	$98.20M
YoY Change	-36.22%	-77.95%	195.78%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$2.323B	$2.455B	$3.055B
YoY Change	-21.23%	-19.63%	-19.44%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$44.54M	$72.42M	$45.00M
YoY Change	-15.96%	60.94%	262.9%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$44.54M	$72.42M	$45.00M
YoY Change	-15.96%	60.94%	262.9%
LONG-TERM LIABILITIES
Long-Term Debt	$255.3M	$255.3M	$255.1M
YoY Change	0.1%	0.08%	0.08%
Other Long-Term Liabilities	$48.96M	$66.53M	$80.00M
YoY Change	-34.63%	-16.84%	-23.44%
Total Long-Term Liabilities	$304.3M	$321.8M	$335.1M
YoY Change	-7.79%	-3.96%	-6.76%
TOTAL LIABILITIES
Total Short-Term Liabilities	$44.54M	$72.42M	$45.00M
Total Long-Term Liabilities	$304.3M	$321.8M	$335.1M
Total Liabilities	$1.938B	$2.072B	$2.517B
YoY Change	-19.92%	-17.67%	-22.77%
SHAREHOLDERS EQUITY
Retained Earnings	-$498.3M	-$514.5M	-$663.6M
YoY Change	-19.09%	-22.46%	-1.59%
Common Stock	$923.0K	$923.0K	$898.0K
YoY Change	2.78%	2.78%	1.93%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$34.02M	$33.97M	$31.53M
YoY Change	7.87%	7.72%	0.0%
Treasury Stock Shares	5.849M shares	5.835M shares	5.014M shares
Shareholders Equity	$384.3M	$383.2M	$538.1M
YoY Change
Total Liabilities & Shareholders Equity	$2.323B	$2.455B	$3.055B
YoY Change	-21.23%	-19.63%	-19.44%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$12.39M	-$3.140M	$2.162M
YoY Change	30.39%	-245.24%	-103.71%
Depreciation, Depletion And Amortization	$223.0K	$6.313M	$9.651M
YoY Change	-90.71%	-34.59%	-70.54%
Cash From Operating Activities	-$94.68M	-$114.0M	-$28.50M
YoY Change	0.62%	299.88%	-93.6%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$119.9M	$93.20M	$80.70M
YoY Change	78.1%	15.49%	45.41%
Cash From Investing Activities	$119.9M	$93.20M	$80.70M
YoY Change	78.1%	15.49%	45.41%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-9.915M	-1.805M	0.000
YoY Change	-67.06%
NET CHANGE
Cash From Operating Activities	-94.68M	-114.0M	-28.50M
Cash From Investing Activities	119.9M	93.20M	80.70M
Cash From Financing Activities	-9.915M	-1.805M	0.000
Net Change In Cash	15.26M	-22.57M	52.20M
YoY Change	-126.82%	-143.24%	-113.38%
FREE CASH FLOW
Cash From Operating Activities	-$94.68M	-$114.0M	-$28.50M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Entity Central Index Key EntityCentralIndexKey	0001412100
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	City Area Code CityAreaCode	441
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-34042
	dei	Entity Registrant Name EntityRegistrantName	MAIDEN HOLDINGS, LTD.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	D0
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-0570192
	dei	Entity Address Address Line1 EntityAddressAddressLine1	94 Pitts Bay Road
	dei	Entity Address City Or Town EntityAddressCityOrTown	Pembroke
	dei	Entity Address Country EntityAddressCountry	BM
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	HM08
	dei	Local Phone Number LocalPhoneNumber	298-4900
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	2162000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2162000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	101426000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	101426000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	32235000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	32235000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86433780	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	84744787	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85937012	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	84181528	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86438232	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	84744787	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	85941418	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	84181528	shares
CY2020Q3	us-gaap	Oci Equity Method Investment Before Tax OciEquityMethodInvestmentBeforeTax	0	USD
	us-gaap	Oci Equity Method Investment Before Tax OciEquityMethodInvestmentBeforeTax	-7497000	USD
	us-gaap	Oci Equity Method Investment Before Tax OciEquityMethodInvestmentBeforeTax	0	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	2007000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-3140000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	2162000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14258000	USD
	us-gaap	Net Income Loss NetIncomeLoss	32235000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-10539000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	15028000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-27864000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	16603000	USD
CY2021Q3	us-gaap	Oci Equity Method Investment Before Tax OciEquityMethodInvestmentBeforeTax	-4078000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	3242000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	7032000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	9643000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	6036000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-6998000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	13627000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-10821000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-10588000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	4788000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-28766000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-3861000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-6000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	32000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-50000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	18000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-10582000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4756000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-28716000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3879000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-13722000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	6918000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4912000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-14458000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	28356000	USD
	mhld	Other Comprehensive Income Loss Investments Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossInvestmentsAdjustmentNetOfTaxPortionAttributableToParent	-42343000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	383174000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	538086000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	383174000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	538086000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14258000	USD
	us-gaap	Net Income Loss NetIncomeLoss	32235000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	7798000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6318000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-154000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	8013000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	24200000	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	0	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	2468000	USD
	mhld	Foreign Currency Transactionand Other Gain Lossbefore Tax ForeignCurrencyTransactionandOtherGainLossbeforeTax	-634000	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	12039000	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	-22200000	USD
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	-6590000	USD
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	7334000	USD
	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	-3663000	USD
	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	-5899000	USD
	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	-11460000	USD
	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	-21507000	USD
	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	-9916000	USD
	us-gaap	Increase Decrease In Funds Held Under Reinsurance Agreements IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements	-53205000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	385000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3589000	USD
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	-304385000	USD
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	-476655000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-33424000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-59250000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	15793000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-21256000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-299750000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-447664000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	208969000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	355966000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	37341000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	45279000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	42551000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	332636000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	477358000	USD
	mhld	Proceeds From Maturities Prepayments And Calls Of Debt Securities Investing Activities ProceedsFromMaturitiesPrepaymentsAndCallsOfDebtSecuritiesInvestingActivities	294878000	USD
	mhld	Proceeds From Maturities Prepayments And Calls Of Debt Securities Investing Activities ProceedsFromMaturitiesPrepaymentsAndCallsOfDebtSecuritiesInvestingActivities	451380000	USD
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	341000	USD
	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	1786000	USD
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	4802000	USD
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	USD
	mhld	Proceeds From Equity Securities Distribution ProceedsFromEquitySecuritiesDistribution	441000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1605000	USD
	mhld	Proceeds From Equity Securities Distribution ProceedsFromEquitySecuritiesDistribution	0	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	31000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	602000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	344206000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	528677000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2433000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1000	USD
	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	132153000	USD
	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
	mhld	Payments For Share Based Payment Arrangement Settlement PaymentsForShareBasedPaymentArrangementSettlement	166000	USD
	mhld	Payments For Share Based Payment Arrangement Settlement PaymentsForShareBasedPaymentArrangementSettlement	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-128988000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-333000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-84865000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	82617000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	135826000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	107278000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	50961000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	189895000	USD
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	29310000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	91721000	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	21651000	USD
CY2020Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	98174000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	50961000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	189895000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2021Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	6821000	USD
CY2021Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	6953000	USD
CY2021Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	15030000	USD
CY2021Q3	us-gaap	Other Income OtherIncome	138000	USD
CY2021Q3	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	10514000	USD
CY2021Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	6313000	USD
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	1990000	USD
CY2021Q3	mhld	Underwriting Income Loss Net UnderwritingIncomeLossNet	-3649000	USD
CY2021Q3	mhld	Investment Income And Gain Loss On Investments Net InvestmentIncomeAndGainLossOnInvestmentsNet	6540000	USD
CY2021Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	4832000	USD
CY2021Q3	mhld	Foreign Currency Transactionand Other Gain Lossbefore Tax ForeignCurrencyTransactionandOtherGainLossbeforeTax	4116000	USD
CY2021Q3	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	4660000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-155000	USD
CY2021Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-810000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-3140000	USD
CY2021Q3	us-gaap	Loss Ratio LossRatio	0.693
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-154000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	2162000	USD
CY2020Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	3031000	USD
CY2021Q3	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.416
CY2021Q3	us-gaap	General And Administrative Expense Ratio GeneralAndAdministrativeExpenseRatio	0.439
CY2021Q3	mhld	Expense Ratio ExpenseRatio	0.855
CY2021Q3	us-gaap	Combined Ratio CombinedRatio	1.548
CY2020Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	3517000	USD
CY2020Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	24305000	USD
CY2020Q3	us-gaap	Other Income OtherIncome	261000	USD
CY2020Q3	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	9065000	USD
CY2020Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	9651000	USD
CY2020Q3	us-gaap	Operating Expenses OperatingExpenses	2448000	USD
CY2020Q3	mhld	Underwriting Income Loss Net UnderwritingIncomeLossNet	3402000	USD
CY2020Q3	mhld	Investment Income And Gain Loss On Investments Net InvestmentIncomeAndGainLossOnInvestmentsNet	16973000	USD
CY2020Q3	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	962000	USD
CY2020Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	4832000	USD
CY2020Q3	mhld	Foreign Currency Transactionand Other Gain Lossbefore Tax ForeignCurrencyTransactionandOtherGainLossbeforeTax	-6536000	USD
CY2020Q3	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	5712000	USD
CY2020Q3	mhld	Expense Ratio ExpenseRatio	0.725
CY2020Q3	us-gaap	Combined Ratio CombinedRatio	1.094
	us-gaap	Premiums Written Gross PremiumsWrittenGross	7865000	USD
CY2020Q3	us-gaap	Loss Ratio LossRatio	0.369
CY2020Q3	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.393
CY2020Q3	us-gaap	General And Administrative Expense Ratio GeneralAndAdministrativeExpenseRatio	0.332
	us-gaap	Premiums Written Net PremiumsWrittenNet	7518000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	40106000	USD
	us-gaap	Other Income OtherIncome	946000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	7546000	USD
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	19154000	USD
	us-gaap	Operating Expenses OperatingExpenses	7975000	USD
	mhld	Underwriting Income Loss Net UnderwritingIncomeLossNet	6377000	USD
	mhld	Investment Income And Gain Loss On Investments Net InvestmentIncomeAndGainLossOnInvestmentsNet	32609000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	14495000	USD
	mhld	Foreign Currency Transactionand Other Gain Lossbefore Tax ForeignCurrencyTransactionandOtherGainLossbeforeTax	6070000	USD
	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	21578000	USD
CY2020Q4	mhld	Other Investments Percent Of Total OtherInvestmentsPercentOfTotal	1.000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-363000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4912000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14258000	USD
	us-gaap	Loss Ratio LossRatio	0.184
	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.466
	us-gaap	General And Administrative Expense Ratio GeneralAndAdministrativeExpenseRatio	0.720
	mhld	Expense Ratio ExpenseRatio	1.186
	us-gaap	Combined Ratio CombinedRatio	1.370
	us-gaap	Premiums Written Gross PremiumsWrittenGross	20233000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	17493000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	76828000	USD
	us-gaap	Other Income OtherIncome	919000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	41159000	USD
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	29778000	USD
	us-gaap	Operating Expenses OperatingExpenses	7118000	USD
	mhld	Underwriting Income Loss Net UnderwritingIncomeLossNet	-308000	USD
	mhld	Investment Income And Gain Loss On Investments Net InvestmentIncomeAndGainLossOnInvestmentsNet	69159000	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	2468000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	14493000	USD
	mhld	Foreign Currency Transactionand Other Gain Lossbefore Tax ForeignCurrencyTransactionandOtherGainLossbeforeTax	-634000	USD
	us-gaap	Other General And Administrative Expense OtherGeneralAndAdministrativeExpense	18853000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-154000	USD
	us-gaap	Net Income Loss NetIncomeLoss	32235000	USD
	us-gaap	Loss Ratio LossRatio	0.529
	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.383
	us-gaap	General And Administrative Expense Ratio GeneralAndAdministrativeExpenseRatio	0.334
	mhld	Expense Ratio ExpenseRatio	0.717
	us-gaap	Combined Ratio CombinedRatio	1.246
CY2021Q3	us-gaap	Assets Assets	2455018000	USD
CY2020Q4	us-gaap	Assets Assets	2948455000	USD
CY2021Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	6953000	USD
CY2020Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	3031000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	7518000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	17493000	USD
CY2021Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	15030000	USD
CY2021Q3	mhld	Premiums Earned Net As Percent Of Total PremiumsEarnedNetAsPercentOfTotal	1.000
CY2020Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	24305000	USD
CY2020Q3	mhld	Premiums Earned Net As Percent Of Total PremiumsEarnedNetAsPercentOfTotal	1.000
	us-gaap	Premiums Earned Net PremiumsEarnedNet	40106000	USD
	mhld	Premiums Earned Net As Percent Of Total PremiumsEarnedNetAsPercentOfTotal	1.000
	us-gaap	Premiums Earned Net PremiumsEarnedNet	76828000	USD
	mhld	Premiums Earned Net As Percent Of Total PremiumsEarnedNetAsPercentOfTotal	1.000
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	757835000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	22835000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	8243000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	772427000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1163923000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	53055000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	3567000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1213411000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	21963000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	21332000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	359840000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	371112000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	46895000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	48907000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	7331000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	7221000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	436029000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	448572000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	757835000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	772427000	USD
CY2021Q3	mhld	Fixed Maturities Continuous Unrealized Loss Position Lessthan Twelve Months Fair Value FixedMaturitiesContinuousUnrealizedLossPositionLessthanTwelveMonthsFairValue	170097000	USD
CY2021Q3	mhld	Fixed Maturities Continuous Unrealized Loss Position Lessthan12 Months Accumulated Loss FixedMaturitiesContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss	4894000	USD
CY2021Q3	mhld	Fixed Maturities Continuous Unrealized Loss Position Twelve Monthsor Longer Fair Value FixedMaturitiesContinuousUnrealizedLossPositionTwelveMonthsorLongerFairValue	44863000	USD
CY2021Q3	mhld	Fixed Maturities Continuous Unrealized Loss Position12 Monthsor Longer Accumulated Loss FixedMaturitiesContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss	3349000	USD
CY2021Q3	mhld	Fixed Maturities Continuous Unrealized Loss Position Fair Value FixedMaturitiesContinuousUnrealizedLossPositionFairValue	214960000	USD
CY2021Q3	mhld	Fixed Maturities Continuous Unrealized Loss Position Accumulated Loss FixedMaturitiesContinuousUnrealizedLossPositionAccumulatedLoss	8243000	USD
CY2021Q3	mhld	Fixed Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions FixedSecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositions	55	security
CY2021Q3	mhld	Investments Continuous Unrealized Loss Position Fair Value InvestmentsContinuousUnrealizedLossPositionFairValue	214960000	USD
CY2021Q3	mhld	Investments Continuous Unrealized Loss Position Accumulated Loss InvestmentsContinuousUnrealizedLossPositionAccumulatedLoss	8243000	USD
CY2021Q3	mhld	Fixed Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions Greaterthanor Equalto One Year FixedSecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositionsGreaterthanorEqualtoOneYear	14	security
CY2021Q3	mhld	Investments Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value InvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	44863000	USD
CY2021Q3	mhld	Investments Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses InvestmentsContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	3349000	USD
CY2020Q4	mhld	Fixed Maturities Continuous Unrealized Loss Position Lessthan Twelve Months Fair Value FixedMaturitiesContinuousUnrealizedLossPositionLessthanTwelveMonthsFairValue	64570000	USD
CY2020Q4	mhld	Fixed Maturities Continuous Unrealized Loss Position Lessthan12 Months Accumulated Loss FixedMaturitiesContinuousUnrealizedLossPositionLessthan12MonthsAccumulatedLoss	1192000	USD
CY2020Q4	mhld	Fixed Maturities Continuous Unrealized Loss Position Twelve Monthsor Longer Fair Value FixedMaturitiesContinuousUnrealizedLossPositionTwelveMonthsorLongerFairValue	101994000	USD
CY2020Q4	mhld	Fixed Maturities Continuous Unrealized Loss Position12 Monthsor Longer Accumulated Loss FixedMaturitiesContinuousUnrealizedLossPosition12MonthsorLongerAccumulatedLoss	2375000	USD
CY2020Q4	mhld	Fixed Maturities Continuous Unrealized Loss Position Fair Value FixedMaturitiesContinuousUnrealizedLossPositionFairValue	166564000	USD
CY2020Q4	mhld	Fixed Maturities Continuous Unrealized Loss Position Accumulated Loss FixedMaturitiesContinuousUnrealizedLossPositionAccumulatedLoss	3567000	USD
CY2020Q4	mhld	Fixed Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions FixedSecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositions	53	security
CY2020Q4	mhld	Investments Continuous Unrealized Loss Position Fair Value InvestmentsContinuousUnrealizedLossPositionFairValue	166564000	USD
CY2020Q4	mhld	Investments Continuous Unrealized Loss Position Accumulated Loss InvestmentsContinuousUnrealizedLossPositionAccumulatedLoss	3567000	USD
CY2020Q4	mhld	Fixed Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions Greaterthanor Equalto One Year FixedSecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositionsGreaterthanorEqualtoOneYear	35	security
CY2020Q4	mhld	Investments Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value InvestmentsContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	101994000	USD
CY2020Q4	mhld	Investments Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses InvestmentsContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	2375000	USD
CY2020Q3	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	962000	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	2468000	USD
CY2020Q3	mhld	Other Than Temporary Impairment Losses Investments Availableforsale Securities Portion Recognized In Earnings Net Qualitative Disclosures Number Of Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresNumberOfSecurities	2	security
	mhld	Other Than Temporary Impairment Losses Investments Availableforsale Securities Portion Recognized In Earnings Net Qualitative Disclosures Number Of Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresNumberOfSecurities	4	security
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	0	USD
CY2021Q3	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	0	USD
CY2021Q3	mhld	Fixed Maturities Amortized Cost Basis FixedMaturitiesAmortizedCostBasis	757835000	USD
CY2021Q3	mhld	Fixed Maturities Fair Value FixedMaturitiesFairValue	772427000	USD
CY2021Q3	mhld	Fixed Maturities Percentof Total Fair Value FixedMaturitiesPercentofTotalFairValue	1.000
CY2020Q4	mhld	Fixed Maturities Amortized Cost Basis FixedMaturitiesAmortizedCostBasis	1163923000	USD
CY2020Q4	mhld	Fixed Maturities Fair Value FixedMaturitiesFairValue	1213411000	USD
CY2020Q4	mhld	Fixed Maturities Percentof Total Fair Value FixedMaturitiesPercentofTotalFairValue	1.000
CY2021Q3	us-gaap	Other Investment Not Readily Marketable Fair Value OtherInvestmentNotReadilyMarketableFairValue	64143000	USD
CY2021Q3	mhld	Other Investments Percent Of Total Fair Value OtherInvestmentsPercentOfTotalFairValue	0.617
CY2020Q4	us-gaap	Other Investment Not Readily Marketable Fair Value OtherInvestmentNotReadilyMarketableFairValue	30439000	USD
CY2020Q4	mhld	Other Investments Percent Of Total Fair Value OtherInvestmentsPercentOfTotalFairValue	0.454
CY2021Q3	us-gaap	Other Investments OtherInvestments	103888000	USD
CY2021Q3	mhld	Other Investments Percent Of Total OtherInvestmentsPercentOfTotal	1.000
CY2020Q4	us-gaap	Other Investments OtherInvestments	67010000	USD
CY2021Q3	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	66431000	USD
CY2021Q3	mhld	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Commitments Percentage Of Total FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommitmentsPercentageOfTotal	1.000
CY2020Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	63313000	USD
CY2020Q4	mhld	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Commitments Percentage Of Total FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommitmentsPercentageOfTotal	1.000
CY2021Q3	us-gaap	Equity Method Investments EquityMethodInvestments	75050000	USD
CY2021Q3	mhld	Equity Method Investments Percent Of Total EquityMethodInvestmentsPercentOfTotal	1.000
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	39886000	USD
CY2020Q4	mhld	Equity Method Investments Percent Of Total EquityMethodInvestmentsPercentOfTotal	1.000
CY2021Q3	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	8419000	USD
CY2020Q3	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	13062000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	26687000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	46090000	USD
CY2021Q3	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	942000	USD
CY2020Q3	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	376000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	2091000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	1131000	USD
CY2021Q3	us-gaap	Investment Income Net InvestmentIncomeNet	7477000	USD
CY2020Q3	us-gaap	Investment Income Net InvestmentIncomeNet	12686000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	24596000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	44959000	USD
CY2021Q3	mhld	Equity Securities Fvni Realized And Unrealized Gain EquitySecuritiesFVNIRealizedAndUnrealizedGain	0	USD
CY2021Q3	mhld	Equity Securities Fvni Realized And Unrealized Loss EquitySecuritiesFVNIRealizedAndUnrealizedLoss	3002000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-3002000	USD
CY2021Q3	mhld	Realized And Unrealized Gain On Investments RealizedAndUnrealizedGainOnInvestments	2286000	USD
CY2021Q3	mhld	Realized And Unrealized Loss On Investments RealizedAndUnrealizedLossOnInvestments	3223000	USD
CY2021Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	-937000	USD
CY2020Q3	mhld	Realized And Unrealized Gain On Investments RealizedAndUnrealizedGainOnInvestments	4287000	USD
CY2020Q3	mhld	Realized And Unrealized Loss On Investments RealizedAndUnrealizedLossOnInvestments	0	USD
CY2020Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	4287000	USD
	mhld	Equity Securities Fvni Realized And Unrealized Gain EquitySecuritiesFVNIRealizedAndUnrealizedGain	4957000	USD
	mhld	Equity Securities Fvni Realized And Unrealized Loss EquitySecuritiesFVNIRealizedAndUnrealizedLoss	3613000	USD
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	1344000	USD
	mhld	Realized And Unrealized Gain On Investments RealizedAndUnrealizedGainOnInvestments	12116000	USD
	mhld	Realized And Unrealized Loss On Investments RealizedAndUnrealizedLossOnInvestments	4103000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	8013000	USD
	mhld	Realized And Unrealized Gain On Investments RealizedAndUnrealizedGainOnInvestments	24385000	USD
	mhld	Realized And Unrealized Loss On Investments RealizedAndUnrealizedLossOnInvestments	185000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	24200000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-3002000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	332636000	USD
CY2020Q3	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	0	USD
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	1344000	USD
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	0	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	USD
CY2020Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	441000	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-3002000	USD
CY2020Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	903000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	USD
CY2021Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	126282000	USD
CY2020Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	71857000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	477358000	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	21651000	USD
CY2021Q3	mhld	Equity Method Investment Unrealized Gain Loss EquityMethodInvestmentUnrealizedGainLoss	-7497000	USD
CY2020Q4	mhld	Equity Method Investment Unrealized Gain Loss EquityMethodInvestmentUnrealizedGainLoss	0	USD
CY2021Q3	mhld	Investments Unrealized Gain Loss Gross Of Deferred Income Tax Expense InvestmentsUnrealizedGainLossGrossOfDeferredIncomeTaxExpense	7095000	USD
CY2020Q4	mhld	Investments Unrealized Gain Loss Gross Of Deferred Income Tax Expense InvestmentsUnrealizedGainLossGrossOfDeferredIncomeTaxExpense	49488000	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	81000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	131000	USD
CY2021Q3	mhld	Investments Gross Unrealized Gain Loss Net Of Deferred Income Tax Expense InvestmentsGrossUnrealizedGainLossNetOfDeferredIncomeTaxExpense	7014000	USD
CY2020Q4	mhld	Investments Gross Unrealized Gain Loss Net Of Deferred Income Tax Expense InvestmentsGrossUnrealizedGainLossNetOfDeferredIncomeTaxExpense	49357000	USD
	mhld	Other Comprehensive Income Loss Investments Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossInvestmentsAdjustmentNetOfTaxPortionAttributableToParent	-42343000	USD
CY2020	mhld	Other Comprehensive Income Loss Investments Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossInvestmentsAdjustmentNetOfTaxPortionAttributableToParent	27361000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	61786000	USD
CY2021Q3	us-gaap	Restricted Investments RestrictedInvestments	674190000	USD
CY2020Q4	us-gaap	Restricted Investments RestrictedInvestments	1018269000	USD
CY2021Q3	us-gaap	Restricted Cash And Investments RestrictedCashAndInvestments	695841000	USD
CY2020Q4	us-gaap	Restricted Cash And Investments RestrictedCashAndInvestments	1080055000	USD
CY2021Q3	mhld	Assets Fair Value Disclosure Number Of Securities Priced For Fair Value AssetsFairValueDisclosureNumberOfSecuritiesPricedForFairValue	1	security
CY2020Q4	mhld	Assets Fair Value Disclosure Number Of Securities Priced For Fair Value AssetsFairValueDisclosureNumberOfSecuritiesPricedForFairValue	2	security
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	4250000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1000000	USD
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	1000000	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	29344000	USD
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	2800000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	26094000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1800000	USD
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	29344000	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	2800000	USD
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	29344000	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	2800000	USD
CY2021Q3	mhld	Share Capital Shares Authorized ShareCapitalSharesAuthorized	150000000	shares
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	92278828	shares
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	86443757	shares
CY2021Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	18600000	shares
CY2021Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	18600000	shares
CY2021Q3	mhld	Shares Undesignated SharesUndesignated	39121172	shares
CY2021Q3	mhld	Preferred Stock Shares Outstanding Held By Non Affiliates PreferredStockSharesOutstandingHeldByNonAffiliates	6696732	shares
CY2021Q3	us-gaap	Stock Redeemed Or Called During Period Shares StockRedeemedOrCalledDuringPeriodShares	558636	shares
CY2021Q3	mhld	Preferred Stock Redemption Price Average Cost Per Share PreferredStockRedemptionPriceAverageCostPerShare	13.42
	us-gaap	Stock Redeemed Or Called During Period Shares StockRedeemedOrCalledDuringPeriodShares	9075673	shares
	mhld	Preferred Stock Redemption Price Average Cost Per Share PreferredStockRedemptionPriceAverageCostPerShare	14.56
CY2021Q3	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	7495000	USD
	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	132153000	USD
CY2021Q3	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	6004000	USD
	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	87168000	USD
CY2021Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	18600000	shares
CY2020Q4	mhld	Preferred Stock Shares Outstanding Held By Affiliates PreferredStockSharesOutstandingHeldByAffiliates	2827595	shares
CY2021Q1	us-gaap	Stock Redeemed Or Called During Period Shares StockRedeemedOrCalledDuringPeriodShares	6614493	shares
CY2021Q2	us-gaap	Stock Redeemed Or Called During Period Shares StockRedeemedOrCalledDuringPeriodShares	1902544	shares
CY2021Q3	us-gaap	Stock Redeemed Or Called During Period Shares StockRedeemedOrCalledDuringPeriodShares	558636	shares
CY2021Q3	us-gaap	Stock Redeemed Or Called During Period Shares StockRedeemedOrCalledDuringPeriodShares	558636	shares
CY2021Q3	mhld	Preferred Stock Shares Outstanding Held By Affiliates PreferredStockSharesOutstandingHeldByAffiliates	11903268	shares
CY2021Q3	mhld	Preferred Stock Shares Outstanding Held By Non Affiliates PreferredStockSharesOutstandingHeldByNonAffiliates	6696732	shares
CY2021Q3	mhld	Preferred Stock Shares Outstanding Held By Affiliates Percentage PreferredStockSharesOutstandingHeldByAffiliatesPercentage	0.640
CY2021Q3	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	21509	shares
CY2021Q3	mhld	Shares Paid For Tax Withholding For Share Based Compensation Average Cost Per Share SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare	3.43
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	821057	shares
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	834	shares
	mhld	Shares Paid For Tax Withholding For Share Based Compensation Average Cost Per Share SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare	2.96
	mhld	Shares Paid For Tax Withholding For Share Based Compensation Average Cost Per Share SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare	1.13
CY2020Q3	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	0	shares
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	74245000	USD
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2021Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2020Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2021Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-8575000	USD
CY2021Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	2007000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-10582000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	7998000	USD
CY2020Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	3242000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4756000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-21684000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	7032000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-28716000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	5764000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	9643000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3879000	USD
	us-gaap	Direct Premiums Written DirectPremiumsWritten	16181000	USD
	us-gaap	Direct Premiums Written DirectPremiumsWritten	14718000	USD
	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	-8316000	USD
	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	5515000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	347000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	2740000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	7518000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	17493000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	525117000	USD
CY2021Q3	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	561627000	USD
	us-gaap	Direct Premiums Earned DirectPremiumsEarned	17186000	USD
	us-gaap	Direct Premiums Earned DirectPremiumsEarned	14630000	USD
	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	24103000	USD
	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	64853000	USD
	us-gaap	Ceded Premiums Earned CededPremiumsEarned	1183000	USD
	us-gaap	Ceded Premiums Earned CededPremiumsEarned	2655000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	40106000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	76828000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Gross PolicyholderBenefitsAndClaimsIncurredGross	6132000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Gross PolicyholderBenefitsAndClaimsIncurredGross	54845000	USD
	us-gaap	Reinsurance Costs And Recoveries Net ReinsuranceCostsAndRecoveriesNet	-1414000	USD
	us-gaap	Reinsurance Costs And Recoveries Net ReinsuranceCostsAndRecoveriesNet	13686000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	7546000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	41159000	USD
CY2020Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	592571000	USD
CY2020Q4	us-gaap	Reinsurance Recoverables On Unpaid Losses Allowance ReinsuranceRecoverablesOnUnpaidLossesAllowance	0	USD
CY2021Q3	us-gaap	Reinsurance Recoverables On Unpaid Losses Allowance ReinsuranceRecoverablesOnUnpaidLossesAllowance	0	USD
CY2019Q3	us-gaap	Reinsurance Retention Policy Excess Retention Amount Reinsured ReinsuranceRetentionPolicyExcessRetentionAmountReinsured	2178535000	USD
CY2019Q3	us-gaap	Reinsurance Retention Policy Amount Retained ReinsuranceRetentionPolicyAmountRetained	600000000	USD
CY2019Q3	us-gaap	Reinsurance Retention Policy Excess Retention Amount Reinsured ReinsuranceRetentionPolicyExcessRetentionAmountReinsured	2178535000	USD
CY2018Q4	mhld	Reinsurance Recoverable For Paid And Unpaid Claims And Claims Adjustments Adverse Development Cover ReinsuranceRecoverableForPaidAndUnpaidClaimsAndClaimsAdjustmentsAdverseDevelopmentCover	155000000	USD
CY2019Q3	mhld	Reinsurance Recoverable For Paid And Unpaid Claims And Claims Adjustments Ceded Cumulative Losses ReinsuranceRecoverableForPaidAndUnpaidClaimsAndClaimsAdjustmentsCededCumulativeLosses	445000000	USD
CY2021Q3	mhld	Deferred Gain On Reinsurance DeferredGainOnReinsurance	50645000	USD
CY2020Q4	mhld	Deferred Gain On Reinsurance DeferredGainOnReinsurance	74941000	USD
CY2019Q3	mhld	Reinsurance Collateral By Third Party ReinsuranceCollateralByThirdParty	445000000	USD
CY2021Q3	mhld	Reinsurance Collateral By Third Party ReinsuranceCollateralByThirdParty	403627000	USD
	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	The reserve for loss and LAE consists of: <div style="margin-bottom:6pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:71.999%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.619%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.622%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">September 30, 2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Reserve for reported loss and LAE</span></div></td><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">864,935 </span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">998,691 </span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Reserve for losses incurred but not reported ("IBNR")</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">702,591 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">894,608 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Reserve for loss and LAE</span></div></td><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td style="background-color:#ccffcc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ccffcc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,567,526 </span></td><td style="background-color:#ccffcc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td style="background-color:#ccffcc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ccffcc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,893,299 </span></td><td style="background-color:#ccffcc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">The following table represents a reconciliation of our beginning and ending gross and net loss and LAE reserves: </span></div><div style="margin-bottom:6pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:69.324%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.532%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.955%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.532%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.957%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">For the Nine Months Ended September 30,</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gross loss and LAE reserves, January 1</span></div></td><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,893,299 </span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,439,907 </span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Less: reinsurance recoverable on unpaid losses, January 1</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">592,571 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">623,422 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net loss and LAE reserves, January 1</span></div></td><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,300,728 </span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,816,485 </span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net incurred losses related to:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:20.25pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Current year</span></div></td><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">31,259 </span></td><td style="background-color:#ccffcc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">48,988 </span></td><td style="background-color:#ccffcc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:20.25pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Prior years</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(23,713)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(7,829)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,546 </span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">41,159 </span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net paid losses related to:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:20.25pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Current year</span></div></td><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(17,137)</span></td><td style="background-color:#ccffcc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(5,253)</span></td><td style="background-color:#ccffcc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:20.25pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Prior years</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(288,202)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(519,864)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(305,339)</span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(525,117)</span></td><td style="background-color:#ccffcc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Retroactive reinsurance adjustment</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,296 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">32,955 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Effect of foreign exchange rate movements</span></div></td><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(21,332)</span></td><td style="background-color:#ccffcc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,914 </span></td><td style="background-color:#ccffcc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net loss and LAE reserves, September 30</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,005,899 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,377,396 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ccffcc;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Reinsurance recoverable on unpaid losses, September 30</span></td><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">561,627 </span></td><td style="background-color:#ccffcc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ccffcc;padding:0 1pt"/><td colspan="2" style="background-color:#ccffcc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">597,677 </span></td><td style="background-color:#ccffcc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gross loss and LAE reserves, September 30</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,567,526 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,975,073 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>
CY2021Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Reported Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseReportedClaimsAmount	864935000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Reported Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseReportedClaimsAmount	998691000	USD
CY2021Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount	702591000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount	894608000	USD
CY2021Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1567526000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1893299000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1893299000	USD
CY2019Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	2439907000	USD
CY2020Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	592571000	USD
CY2019Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	623422000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1300728000	USD
CY2019Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1816485000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	31259000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	48988000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-23713000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-7829000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	7546000	USD
	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	41159000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	17137000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	5253000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	288202000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	519864000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	305339000	USD
	mhld	Liability For Unpaid Claims And Claims Adjustment Expense Retroactive Reinsurance Adjustment LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseRetroactiveReinsuranceAdjustment	-24296000	USD
	mhld	Liability For Unpaid Claims And Claims Adjustment Expense Retroactive Reinsurance Adjustment LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseRetroactiveReinsuranceAdjustment	-32955000	USD
	mhld	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Transaction And Translation Adjustment LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTransactionAndTranslationAdjustment	21332000	USD
	mhld	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Transaction And Translation Adjustment LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTransactionAndTranslationAdjustment	-11914000	USD
CY2021Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1005899000	USD
CY2020Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1377396000	USD
CY2021Q3	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	561627000	USD
CY2020Q3	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	597677000	USD
CY2021Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1567526000	USD
CY2020Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1975073000	USD
CY2021Q3	mhld	Liabilityfor Unpaid Claimsand Claims Adjustment Expense Period Increase Decrease Netof Commission Changes LiabilityforUnpaidClaimsandClaimsAdjustmentExpensePeriodIncreaseDecreaseNetofCommissionChanges	-5352000	USD
	mhld	Liabilityfor Unpaid Claimsand Claims Adjustment Expense Period Increase Decrease Netof Commission Changes LiabilityforUnpaidClaimsandClaimsAdjustmentExpensePeriodIncreaseDecreaseNetofCommissionChanges	-23713000	USD
CY2020Q3	mhld	Liabilityfor Unpaid Claimsand Claims Adjustment Expense Period Increase Decrease Netof Commission Changes LiabilityforUnpaidClaimsandClaimsAdjustmentExpensePeriodIncreaseDecreaseNetofCommissionChanges	-7236000	USD
	mhld	Liabilityfor Unpaid Claimsand Claims Adjustment Expense Period Increase Decrease Netof Commission Changes LiabilityforUnpaidClaimsandClaimsAdjustmentExpensePeriodIncreaseDecreaseNetofCommissionChanges	-7829000	USD
	mhld	Liability For Unpaid Claims And Claims Adjustment Expense Retroactive Reinsurance Adjustment LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseRetroactiveReinsuranceAdjustment	-24296000	USD
	mhld	Liability For Unpaid Claims And Claims Adjustment Expense Retroactive Reinsurance Adjustment LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseRetroactiveReinsuranceAdjustment	-32955000	USD
	mhld	Deferred Gain On Reinsurance Period Increase Decrease DeferredGainOnReinsurancePeriodIncreaseDecrease	-9250000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	167975000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	167975000	USD
CY2020Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	63313000	USD
CY2021Q3	us-gaap	Other Commitment OtherCommitment	33191000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.10
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y8M12D
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-3140000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	2162000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14258000	USD
	us-gaap	Net Income Loss NetIncomeLoss	32235000	USD
CY2021Q3	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	6004000	USD
CY2020Q3	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	0	USD
	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	87168000	USD
	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	0	USD
CY2021Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	17000	USD
CY2020Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	24000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1017000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	559000	USD
CY2021Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	2847000	USD
CY2021Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	2847000	USD
CY2020Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	2138000	USD
CY2020Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	2138000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	100409000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	100409000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	31676000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	31676000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86433780	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	84744787	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85937012	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	84181528	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4452	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4406	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86438232	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	84744787	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	85941418	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	84181528	shares
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4452	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4406	shares

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0001412100-21-000083-index-headers.html	Edgar Link	pending
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0001412100-21-000083.txt	Edgar Link	pending
0001412100-21-000083-xbrl.zip	Edgar Link	pending
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mhld-20210930.htm	Edgar Link	pending
mhld-20210930.xsd	Edgar Link	pending
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mhld-20210930_htm.xml	Edgar Link	completed
mhld-20210930_lab.xml	Edgar Link	unprocessable
mhld-20210930_pre.xml	Edgar Link	unprocessable
q32021exhibit-311.htm	Edgar Link	pending
q32021exhibit-312.htm	Edgar Link	pending
q32021exhibit-321.htm	Edgar Link	pending
q32021exhibit-322.htm	Edgar Link	pending
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2021 Q4 Form 10-Q Financial Statement

#000141210021000083 Filed on November 09, 2021

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$MHLD Maiden Holdings, Ltd. Stock $mhld

2021 Q4 Form 10-Q Financial Statement

#000141210021000083 Filed on November 09, 2021

Income Statement

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$MHLD
Maiden Holdings, Ltd. Stock $mhld