$MSEX
MIDDLESEX WATER CO Stock $msex

$msex Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-Q Financial Statement

#000117494724000713 Filed on May 08, 2024

Income Statement

Concept	2024 Q2	2024 Q1	2023 Q1
Revenue	$49.12M	$40.49M	$38.11M
YoY Change	14.75%	6.26%	5.28%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$6.305M	$5.979M	$7.201M
YoY Change	-14.12%	-16.97%	5.51%
% of Gross Profit
Operating Expenses	$33.83M	$30.66M	$30.67M
YoY Change	5.29%	-0.02%	6.09%
Operating Profit	$15.32M	$9.865M	$7.490M
YoY Change	43.55%	31.71%	-40.19%
Interest Expense	$4.041M	$3.269M	$2.595M
YoY Change	-224.3%	25.97%	40.27%
% of Operating Profit	26.39%	33.14%	34.65%
Other Income/Expense, Net	$2.656M	$5.365M	$1.711M
YoY Change	105.89%	213.56%	-2.56%
Pretax Income	$13.93M	$11.96M	$6.606M
YoY Change	45.71%	81.06%	-46.85%
Income Tax	$3.384M	$1.279M	$738.0K
% Of Pretax Income	24.29%	10.69%	11.17%
Net Earnings	$10.55M	$10.68M	$5.868M
YoY Change	6.84%	82.04%	-51.5%
Net Earnings / Revenue	21.47%	26.38%	15.4%
Basic Earnings Per Share	$0.59	$0.60	$0.33
Diluted Earnings Per Share	$0.59	$0.59	$0.33
COMMON SHARES
Basic Shares Outstanding	17.83M shares	17.82M shares	17.64M shares
Diluted Shares Outstanding	17.94M shares	17.93M shares	17.77K shares

Balance Sheet

Concept	2024 Q2	2024 Q1	2023 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$8.025M	$2.855M	$4.862M
YoY Change	83.34%	-41.28%	47.6%
Cash & Equivalents	$8.025M	$2.855M	$4.862M
Short-Term Investments
Other Short-Term Assets	$16.45M	$15.68M	$12.57M
YoY Change	13.19%	24.73%	17.27%
Inventory	$6.477M	$7.072M	$6.559M
Prepaid Expenses	$3.925M	$4.371M	$3.914M
Receivables	$20.17M	$15.73M	$15.53M
Other Receivables	$69.87M	$69.87M	$0.00
Total Short-Term Assets	$121.0M	$111.2M	$39.52M
YoY Change	198.25%	181.4%	20.25%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.035B	$1.024B	$957.1M
YoY Change	5.37%	7.0%	9.54%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$51.00K	$39.00K	$39.00K
YoY Change	-99.95%	0.0%	-41.79%
Total Long-Term Assets	$1.154B	$1.139B	$1.059B
YoY Change	6.13%	7.5%	8.46%
TOTAL ASSETS
Total Short-Term Assets	$121.0M	$111.2M	$39.52M
Total Long-Term Assets	$1.154B	$1.139B	$1.059B
Total Assets	$1.275B	$1.250B	$1.099B
YoY Change	13.04%	13.76%	8.85%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$25.22M	$23.24M	$27.62M
YoY Change	-10.77%	-15.86%	52.96%
Accrued Expenses	$3.252M	$2.650M	$3.098M
YoY Change	-12.06%	-14.46%	16.47%
Deferred Revenue	$1.689M
YoY Change
Short-Term Debt	$72.25M	$58.00M	$28.50M
YoY Change	207.45%	103.51%	90.0%
Long-Term Debt Due	$362.8M	$363.6M	$17.45M
YoY Change	1977.92%	1983.91%	160.04%
Total Short-Term Liabilities	$135.0M	$117.2M	$95.98M
YoY Change	54.16%	22.07%	60.85%
LONG-TERM LIABILITIES
Long-Term Debt	$356.0M	$357.0M	$329.6M
YoY Change	1.58%	8.29%	7.54%
Other Long-Term Liabilities	$420.0K	$498.0K	$837.0K
YoY Change	-99.78%	-40.5%	-22.57%
Total Long-Term Liabilities	$356.4M	$357.5M	$330.5M
YoY Change	-34.16%	8.17%	7.44%
TOTAL LIABILITIES
Total Short-Term Liabilities	$135.0M	$117.2M	$95.98M
Total Long-Term Liabilities	$356.4M	$357.5M	$330.5M
Total Liabilities	$491.4M	$474.6M	$426.5M
YoY Change	-31.18%	11.29%	16.11%
SHAREHOLDERS EQUITY
Retained Earnings	$185.9M	$181.1M	$167.6M
YoY Change	8.1%	8.08%	9.69%
Common Stock	$247.0M	$246.6M	$235.8M
YoY Change	3.12%	4.58%	4.74%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$432.9M	$427.7M	$403.4M
YoY Change
Total Liabilities & Shareholders Equity	$1.275B	$1.250B	$1.099B
YoY Change	13.04%	13.76%	8.85%

Cashflow Statement

Concept	2024 Q2	2024 Q1	2023 Q1
OPERATING ACTIVITIES
Net Income	$10.55M	$10.68M	$5.868M
YoY Change	6.84%	82.04%	-51.5%
Depreciation, Depletion And Amortization	$6.305M	$5.979M	$7.201M
YoY Change	-14.12%	-16.97%	5.51%
Cash From Operating Activities	$11.23M	$6.652M	$15.97M
YoY Change	-15.69%	-58.35%	14.28%
INVESTING ACTIVITIES
Capital Expenditures	$14.35M	$14.39M	$24.52M
YoY Change	-45.07%	-41.31%	47.41%
Acquisitions
YoY Change
Other Investing Activities			$0.00
YoY Change			-100.0%
Cash From Investing Activities	-$14.35M	-$14.39M	-$24.52M
YoY Change	-45.07%	-41.31%	81.47%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$1.539M	$1.553M
YoY Change		-0.9%	26.47%
Cash From Financing Activities	8.291M	$8.202M	$9.579M
YoY Change	-32.69%	-14.38%	-1458.72%
NET CHANGE
Cash From Operating Activities	11.23M	$6.652M	$15.97M
Cash From Investing Activities	-14.35M	-$14.39M	-$24.52M
Cash From Financing Activities	8.291M	$8.202M	$9.579M
Net Change In Cash	5.170M	$465.0K	$1.034M
YoY Change	-1165.98%	-55.03%	-532.64%
FREE CASH FLOW
Cash From Operating Activities	$11.23M	$6.652M	$15.97M
Capital Expenditures	$14.35M	$14.39M	$24.52M
Free Cash Flow	-$3.121M	-$7.737M	-$8.545M
YoY Change	-75.62%	-9.46%	221.72%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024Q1	dei	Document Type DocumentType	10-Q
CY2024Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2024Q1	dei	Document Period End Date DocumentPeriodEndDate	2024-03-31
CY2024Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2024Q1	dei	Entity File Number EntityFileNumber	0-422
CY2024Q1	dei	Entity Registrant Name EntityRegistrantName	MIDDLESEX WATER COMPANY
CY2024Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NJ
CY2024Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	22-1114430
CY2024Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	485C Route One South
CY2024Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Iselin
CY2024Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	NJ
CY2024Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	08830
CY2024Q1	dei	City Area Code CityAreaCode	(732)
CY2024Q1	dei	Local Phone Number LocalPhoneNumber	634-1500
CY2024Q1	dei	Security12b Title Security12bTitle	Common Stock
CY2024Q1	dei	Trading Symbol TradingSymbol	MSEX
CY2024Q1	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2024Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2024Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2024Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2024Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2024Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2024Q1	dei	Entity Shell Company EntityShellCompany	false
CY2024Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	17828604	shares
CY2024Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	40524000	usd
CY2023Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	38156000	usd
CY2024Q1	msex	Operations And Maintenance OperationsAndMaintenance	20465000	usd
CY2023Q1	msex	Operations And Maintenance OperationsAndMaintenance	20257000	usd
CY2024Q1	us-gaap	Depreciation Depreciation	5396000	usd
CY2023Q1	us-gaap	Depreciation Depreciation	5986000	usd
CY2024Q1	us-gaap	Taxes Other TaxesOther	4798000	usd
CY2023Q1	us-gaap	Taxes Other TaxesOther	4423000	usd
CY2024Q1	us-gaap	Operating Expenses OperatingExpenses	30659000	usd
CY2023Q1	us-gaap	Operating Expenses OperatingExpenses	30666000	usd
CY2024Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	9865000	usd
CY2023Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	7490000	usd
CY2024Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	176000	usd
CY2023Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	813000	usd
CY2024Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5189000	usd
CY2023Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	898000	usd
CY2024Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5365000	usd
CY2023Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1711000	usd
CY2024Q1	us-gaap	Interest Expense InterestExpense	3269000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	2595000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	11961000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6606000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1279000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	738000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	10682000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	5868000	usd
CY2024Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	30000	usd
CY2023Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	30000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	10652000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5838000	usd
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.6
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.33
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17819000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17652000	shares
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17934000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17767000	shares
CY2024Q1	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	306884000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	303791000	usd
CY2024Q1	us-gaap	Public Utilities Property Plant And Equipment Transmission And Distribution PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution	816933000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission And Distribution PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution	809862000	usd
CY2024Q1	us-gaap	Public Utilities Property Plant And Equipment Common PublicUtilitiesPropertyPlantAndEquipmentCommon	101047000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Common PublicUtilitiesPropertyPlantAndEquipmentCommon	100593000	usd
CY2024Q1	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	24056000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	19636000	usd
CY2024Q1	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	1248920000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	1233882000	usd
CY2024Q1	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	239630000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	235540000	usd
CY2024Q1	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	1009290000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	998342000	usd
CY2024Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2855000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2390000	usd
CY2024Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2134000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2137000	usd
CY2024Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	15732000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	18172000	usd
CY2024Q1	msex	Litigation Settlements Receivable LitigationSettlementsReceivable	69872000	usd
CY2023Q4	msex	Litigation Settlements Receivable LitigationSettlementsReceivable	69872000	usd
CY2024Q1	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	11312000	usd
CY2023Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	9297000	usd
CY2024Q1	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	7072000	usd
CY2023Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	6972000	usd
CY2024Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	4371000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	1833000	usd
CY2024Q1	us-gaap	Assets Current AssetsCurrent	111214000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	108536000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3027000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3185000	usd
CY2024Q1	msex	Preliminary Survey And Investigation Charges Non Current PreliminarySurveyAndInvestigationChargesNonCurrent	1952000	usd
CY2023Q4	msex	Preliminary Survey And Investigation Charges Non Current PreliminarySurveyAndInvestigationChargesNonCurrent	1932000	usd
CY2024Q1	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	90046000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	90694000	usd
CY2024Q1	msex	Nonutility Assets Net Non Current NonutilityAssetsNetNonCurrent	11780000	usd
CY2023Q4	msex	Nonutility Assets Net Non Current NonutilityAssetsNetNonCurrent	11522000	usd
CY2024Q1	msex	Employee Benefit Plans EmployeeBenefitPlans	22757000	usd
CY2023Q4	msex	Employee Benefit Plans EmployeeBenefitPlans	21779000	usd
CY2024Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	39000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	62000	usd
CY2024Q1	us-gaap	Other Assets OtherAssets	129601000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	129174000	usd
CY2024Q1	us-gaap	Assets Assets	1250105000	usd
CY2023Q4	us-gaap	Assets Assets	1236052000	usd
CY2024Q1	us-gaap	Common Stock Value CommonStockValue	246551000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	246764000	usd
CY2024Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	181141000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	176227000	usd
CY2024Q1	us-gaap	Partners Capital PartnersCapital	427692000	usd
CY2023Q4	us-gaap	Partners Capital PartnersCapital	422991000	usd
CY2024Q1	us-gaap	Preferred Stock Value PreferredStockValue	2084000	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	2084000	usd
CY2024Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	356960000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	358153000	usd
CY2024Q1	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	786736000	usd
CY2023Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	783228000	usd
CY2024Q1	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	7831000	usd
CY2023Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	7740000	usd
CY2024Q1	us-gaap	Notes Payable Current NotesPayableCurrent	58000000	usd
CY2023Q4	us-gaap	Notes Payable Current NotesPayableCurrent	42750000	usd
CY2024Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	23243000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	27618000	usd
CY2024Q1	msex	Litigation Settlement Payable LitigationSettlementPayable	6237000	usd
CY2023Q4	msex	Litigation Settlement Payable LitigationSettlementPayable	6237000	usd
CY2024Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	14719000	usd
CY2023Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	10535000	usd
CY2024Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	2650000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	3138000	usd
CY2024Q1	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	1365000	usd
CY2023Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	1390000	usd
CY2024Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	3111000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	4421000	usd
CY2024Q1	us-gaap	Liabilities Current LiabilitiesCurrent	117156000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	103829000	usd
CY2024Q1	msex	Construction Advances ConstructionAdvances	21091000	usd
CY2023Q4	msex	Construction Advances ConstructionAdvances	21313000	usd
CY2024Q1	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	2904000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	3063000	usd
CY2024Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	89693000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	88736000	usd
CY2024Q1	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	57818000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	113021000	usd
CY2024Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	498000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	592000	usd
CY2024Q1	us-gaap	Other Liabilities OtherLiabilities	172004000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	226725000	usd
CY2024Q1	us-gaap	Contributions In Aid Of Construction ContributionsInAidOfConstruction	174209000	usd
CY2023Q4	us-gaap	Contributions In Aid Of Construction ContributionsInAidOfConstruction	122270000	usd
CY2024Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1250105000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1236052000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	10682000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	5868000	usd
CY2024Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5979000	usd
CY2023Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7201000	usd
CY2024Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1382000	usd
CY2023Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-611000	usd
CY2024Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	102000	usd
CY2023Q1	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	446000	usd
CY2024Q1	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	113000	usd
CY2023Q1	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	102000	usd
CY2024Q1	us-gaap	Share Based Compensation ShareBasedCompensation	-465000	usd
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	360000	usd
CY2024Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-2440000	usd
CY2023Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-492000	usd
CY2024Q1	msex	Increase Decreasein Unbilled Revenues IncreaseDecreaseinUnbilledRevenues	2015000	usd
CY2023Q1	msex	Increase Decreasein Unbilled Revenues IncreaseDecreaseinUnbilledRevenues	1000	usd
CY2024Q1	us-gaap	Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories	100000	usd
CY2023Q1	us-gaap	Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories	382000	usd
CY2024Q1	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	2538000	usd
CY2023Q1	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1290000	usd
CY2024Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-4375000	usd
CY2023Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2776000	usd
CY2024Q1	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	4184000	usd
CY2023Q1	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	3834000	usd
CY2024Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-488000	usd
CY2023Q1	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-37000	usd
CY2024Q1	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-867000	usd
CY2023Q1	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-477000	usd
CY2024Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-25000	usd
CY2023Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-54000	usd
CY2024Q1	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	6027000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	900000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1161000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6652000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	15970000	usd
CY2024Q1	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	74000	usd
CY2023Q1	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	367000	usd
CY2024Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14389000	usd
CY2023Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	24515000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-14389000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-24515000	usd
CY2024Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1539000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	358153000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	400328000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	5868000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	2342000	usd
CY2023Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1553000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	425000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	40972000	usd
CY2024Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	15250000	usd
CY2023Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-27000000	usd
CY2023Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	49000	usd
CY2024Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	868000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	252000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2342000	usd
CY2024Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5738000	usd
CY2023Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5513000	usd
CY2024Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	30000	usd
CY2023Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	30000	usd
CY2024Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	450000	usd
CY2023Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	410000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	8202000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	9579000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	465000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	1034000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2390000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3828000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2855000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4862000	usd
CY2024Q1	us-gaap	Contribution Of Property ContributionOfProperty	2143000	usd
CY2023Q1	us-gaap	Contribution Of Property ContributionOfProperty	2234000	usd
CY2024Q1	us-gaap	Interest Paid Net InterestPaidNet	3943000	usd
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	2812000	usd
CY2024Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	74000	usd
CY2023Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	367000	usd
CY2024Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2024Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	17814000	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	17821000	shares
CY2024Q1	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	246551000	usd
CY2023Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	246764000	usd
CY2024Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	181141000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	176227000	usd
CY2024Q1	us-gaap	Partners Capital PartnersCapital	427692000	usd
CY2023Q4	us-gaap	Partners Capital PartnersCapital	422991000	usd
CY2024Q1	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	120000	usd
CY2023Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	120000	usd
CY2024Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	20000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	20000	shares
CY2024Q1	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	2084000	usd
CY2023	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	2084000	usd
CY2024Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	363622000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	364736000	usd
CY2024Q1	us-gaap	Debt Instrument Unamortized Premium Current DebtInstrumentUnamortizedPremiumCurrent	6481000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Premium Current DebtInstrumentUnamortizedPremiumCurrent	6529000	usd
CY2024Q1	us-gaap	Debt Instrument Unamortized Discount Current DebtInstrumentUnamortizedDiscountCurrent	5312000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Current DebtInstrumentUnamortizedDiscountCurrent	5372000	usd
CY2024Q1	us-gaap	Deferred Finance Costs Current Gross DeferredFinanceCostsCurrentGross	7831000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Current Gross DeferredFinanceCostsCurrentGross	7740000	usd
CY2024Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	356960000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	360000	usd
CY2023Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	5513000	usd
CY2023Q1	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	30000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	403355000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	422991000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	10682000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	252000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-465000	usd
CY2024Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	5738000	usd
CY2024Q1	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	30000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	427692000	usd
CY2023	msex	Base Rate Amount BaseRateAmount	563100000	usd
CY2023	us-gaap	Public Utilities Approved Return On Equity Percentage PublicUtilitiesApprovedReturnOnEquityPercentage	0.096	pure
CY2024Q1	us-gaap	Carrying Costs Property And Exploration Rights CarryingCostsPropertyAndExplorationRights	3200000	usd
CY2024Q1	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	1400000	usd
CY2024Q2	us-gaap	Public Utilities Approved Rate Increase Decrease Amount PublicUtilitiesApprovedRateIncreaseDecreaseAmount	500000	usd
CY2024Q1	msex	Distribution System Improvement Charge Rate DistributionSystemImprovementChargeRate	0.0371	pure
CY2024Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	4775000	shares
CY2024Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	300000	usd
CY2023Q1	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	29810000	shares
CY2023Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	2300000	usd
CY2024Q1	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	1000000	usd
CY2024Q1	msex	Borrowed Loan BorrowedLoan	13300000	usd
CY2024Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	132619000	usd
CY2024Q1	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	129092000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	133374000	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	131745000	usd
CY2024Q1	us-gaap	Fair Value Option Ineligible Items Aggregate Carrying Amount FairValueOptionIneligibleItemsAggregateCarryingAmount	231000000	usd
CY2023Q4	us-gaap	Fair Value Option Ineligible Items Aggregate Carrying Amount FairValueOptionIneligibleItemsAggregateCarryingAmount	231300000	usd
CY2024Q1	msex	Customer Advances For Construction Work CustomerAdvancesForConstructionWork	21100000	usd
CY2023Q4	msex	Customer Advances For Construction Work CustomerAdvancesForConstructionWork	21300000	usd
CY2024Q1	us-gaap	Preferred Stock Convertible Conversion Price PreferredStockConvertibleConversionPrice	7
CY2023Q1	us-gaap	Line Of Credit Facility Average Outstanding Amount LineOfCreditFacilityAverageOutstandingAmount	54561000	usd
CY2024Q1	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0642	pure
CY2023Q1	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0552	pure
CY2024Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segments
CY2024Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	40524000	usd
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CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	10682000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	5868000	usd
CY2024Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	14389000	usd
CY2023Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	24515000	usd
CY2024Q1	us-gaap	Assets Assets	1250105000	usd
CY2023Q4	us-gaap	Assets Assets	1236052000	usd
CY2024Q1	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	140000000	usd
CY2024Q1	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	58000000	usd
CY2024Q1	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	82000000	usd
CY2024Q1	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	140000000	usd
CY2024Q1	us-gaap	Line Of Credit Facility Average Outstanding Amount LineOfCreditFacilityAverageOutstandingAmount	49992000	usd
CY2024Q1	msex	Cost Of Treated Water CostOfTreatedWater	909000	usd
CY2023Q1	msex	Cost Of Treated Water CostOfTreatedWater	1383000	usd
CY2024Q1	msex	Cost Of Untreated Water CostOfUntreatedWater	850000	usd
CY2023Q1	msex	Cost Of Untreated Water CostOfUntreatedWater	802000	usd
CY2024Q1	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	1759000	usd
CY2023Q1	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	2185000	usd
CY2024Q1	msex	Estimated Incremental Borrowing Rate EstimatedIncrementalBorrowingRate	0.0403	pure
CY2024Q1	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	200000	usd
CY2023Q1	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	200000	usd
CY2024Q1	msex	Right Of Use Asset At Lease Inception RightOfUseAssetAtLeaseInception	7300000	usd
CY2023Q4	msex	Right Of Use Asset At Lease Inception RightOfUseAssetAtLeaseInception	7300000	usd
CY2024Q1	msex	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	4300000	usd
CY2023Q4	msex	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	4100000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3000000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3200000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	600000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	800000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	900000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	900000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	900000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	900000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	5000000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1500000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	3500000	usd
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2900000	usd
CY2024Q1	msex	Budgeted Construction Cost BudgetedConstructionCost	78000000	usd
CY2024Q1	msex	Estimatedobligationexpenditure Estimatedobligationexpenditure	14000000	usd
CY2024Q1	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	900000	usd
CY2024Q1	msex	Residential Operating Revenues ResidentialOperatingRevenues	20331000	usd
CY2023Q1	msex	Residential Operating Revenues ResidentialOperatingRevenues	19004000	usd
CY2024Q1	msex	Commercial Operating Revenue CommercialOperatingRevenue	5976000	usd
CY2023Q1	msex	Commercial Operating Revenue CommercialOperatingRevenue	5379000	usd
CY2024Q1	msex	Industrial Operating Revenues IndustrialOperatingRevenues	3133000	usd
CY2023Q1	msex	Industrial Operating Revenues IndustrialOperatingRevenues	2839000	usd
CY2024Q1	msex	Residential Commercial Industrial And Fire Protection Revenue ResidentialCommercialIndustrialAndFireProtectionRevenue	3292000	usd
CY2023Q1	msex	Residential Commercial Industrial And Fire Protection Revenue ResidentialCommercialIndustrialAndFireProtectionRevenue	3104000	usd
CY2024Q1	msex	Wholesale Municipal Revenue WholesaleMunicipalRevenue	4673000	usd
CY2023Q1	msex	Wholesale Municipal Revenue WholesaleMunicipalRevenue	4553000	usd
CY2024Q1	msex	Non Regualted Contract Operations Revenue NonRegualtedContractOperationsRevenue	3088000	usd
CY2023Q1	msex	Non Regualted Contract Operations Revenue NonRegualtedContractOperationsRevenue	3229000	usd
CY2024Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	40493000	usd
CY2023Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	38108000	usd
CY2024Q1	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	60000	usd
CY2023Q1	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	74000	usd
CY2024Q1	msex	Other Nonregulated Revenues OtherNonregulatedRevenues	116000	usd
CY2023Q1	msex	Other Nonregulated Revenues OtherNonregulatedRevenues	113000	usd
CY2024Q1	msex	Inter Segment Elimination Operating Revenues InterSegmentEliminationOperatingRevenues	-145000	usd
CY2023Q1	msex	Inter Segment Elimination Operating Revenues InterSegmentEliminationOperatingRevenues	-139000	usd
CY2024Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	40524000	usd
CY2023Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	38156000	usd
CY2024Q1	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
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CY2023Q1	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable		usd
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CY2023Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock		usd
CY2023Q4	msex	Common Stock Value Authorized CommonStockValueAuthorized		usd
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CY2024Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2024Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2024Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000066004

Files In Submission

Name	View Source	Status
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$MSEX
MIDDLESEX WATER CO Stock $msex

2024 Q2 Form 10-Q Financial Statement

#000117494724000713 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MSEX MIDDLESEX WATER CO Stock $msex

2024 Q2 Form 10-Q Financial Statement

#000117494724000713 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MSEX
MIDDLESEX WATER CO Stock $msex