$MSEX
MIDDLESEX WATER CO Stock $msex

$msex Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000117494722001123 Filed on October 28, 2022

Income Statement

Concept	2022 Q4	2022 Q3	2021 Q3
Revenue	$38.82M	$47.70M	$39.87M
YoY Change	14.1%	19.62%	-0.12%
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	$7.340M	$5.814M	$4.353M
YoY Change	-23.11%	33.56%	-7.79%
% of Gross Profit
Operating Expenses	$30.68M	$31.16M	$28.45M
YoY Change	10.8%	9.51%	6.38%
Operating Profit	$8.147M	$16.58M	$11.42M
YoY Change	28.52%	45.09%	-13.3%
Interest Expense	-$2.793M	$2.355M	-$2.101M
YoY Change	26.72%	-212.09%	-210.23%
% of Operating Profit	-34.28%	14.21%	-18.39%
Other Income/Expense, Net	$1.204M	$2.039M	$744.0K
YoY Change	20.76%	174.06%	-46.47%
Pretax Income	$7.319M	$16.26M	$10.41M
YoY Change	35.34%	56.17%	-17.82%
Income Tax	$148.0K	$1.968M	-$1.065M
% Of Pretax Income	2.02%	12.1%	-10.23%
Net Earnings	$7.169M	$14.29M	$11.48M
YoY Change	-0.94%	24.53%	-9.9%
Net Earnings / Revenue	18.47%	29.96%	28.78%
Basic Earnings Per Share	$0.40	$0.81	$0.65
Diluted Earnings Per Share	$0.40	$0.80	$0.65
COMMON SHARES
Basic Shares Outstanding	17.64M shares	17.61M shares	17.49M shares
Diluted Shares Outstanding		17.74K shares	17.61M shares

Balance Sheet

Concept	2022 Q4	2022 Q3	2021 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.828M	$2.908M	$5.282M
YoY Change	8.35%	-44.95%	-0.34%
Cash & Equivalents	$3.828M	$2.908M	$5.282M
Short-Term Investments
Other Short-Term Assets	$11.28M	$14.69M	$13.10M
YoY Change	11.13%	12.14%	7.39%
Inventory	$6.177M	$5.792M	$5.156M
Prepaid Expenses	$2.624M	$3.669M
Receivables	$16.02M	$18.08M	$17.03M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$37.31M	$41.47M	$40.57M
YoY Change	8.59%	2.23%	7.13%
LONG-TERM ASSETS
Property, Plant & Equipment	$935.6M	$914.9M	$865.9M
YoY Change	6.16%	5.66%	10.69%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$19.00K	$105.0K	$123.1M
YoY Change	-77.11%	-99.91%	8903.51%
Total Long-Term Assets	$1.037B	$1.023B	$989.0M
YoY Change	5.22%	3.46%	7.27%
TOTAL ASSETS
Total Short-Term Assets	$37.31M	$41.47M	$40.57M
Total Long-Term Assets	$1.037B	$1.023B	$989.0M
Total Assets	$1.074B	$1.065B	$1.030B
YoY Change	5.34%	3.41%	7.27%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$24.85M	$25.87M	$17.34M
YoY Change	17.62%	49.21%	-30.25%
Accrued Expenses	$3.235M	$2.874M	$1.994M
YoY Change	16.12%	44.13%	-26.15%
Deferred Revenue
YoY Change
Short-Term Debt	$55.50M	$40.50M	$50.00M
YoY Change	326.92%	-19.0%	36.99%
Long-Term Debt Due	$17.46M	$7.567M	$6.806M
YoY Change	159.43%	11.18%	-5.98%
Total Short-Term Liabilities	$117.9M	$92.97M	$92.49M
YoY Change	108.16%	0.51%	8.37%
LONG-TERM LIABILITIES
Long-Term Debt	$290.3M	$301.2M	$266.5M
YoY Change	-5.3%	13.04%	13.64%
Other Long-Term Liabilities	$919.0K	$1.004M	$242.8M
YoY Change	-15.38%	-99.59%	9885.36%
Total Long-Term Liabilities	$291.2M	$302.2M	$266.5M
YoY Change	-5.33%	13.42%	12.48%
TOTAL LIABILITIES
Total Short-Term Liabilities	$117.9M	$92.97M	$92.49M
Total Long-Term Liabilities	$291.2M	$302.2M	$266.5M
Total Liabilities	$409.1M	$395.2M	$665.2M
YoY Change	12.31%	-40.59%	106.4%
SHAREHOLDERS EQUITY
Retained Earnings	$167.3M	$165.7M
YoY Change	14.72%
Common Stock	$233.1M	$232.4M
YoY Change	5.02%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$402.4M	$400.2M	$364.4M
YoY Change
Total Liabilities & Shareholders Equity	$1.074B	$1.065B	$1.030B
YoY Change	5.34%	3.41%	7.27%

Cashflow Statement

Concept	2022 Q4	2022 Q3	2021 Q3
OPERATING ACTIVITIES
Net Income	$7.169M	$14.29M	$11.48M
YoY Change	-0.94%	24.53%	-9.9%
Depreciation, Depletion And Amortization	$7.340M	$5.814M	$4.353M
YoY Change	-23.11%	33.56%	-7.79%
Cash From Operating Activities	$17.12M	$17.38M	$4.059M
YoY Change	18.97%	328.18%	-75.36%
INVESTING ACTIVITIES
Capital Expenditures	$25.40M	$26.60M	$14.75M
YoY Change	-240.05%	80.37%	-41.87%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$0.00
YoY Change
Cash From Investing Activities	-$25.40M	-$26.60M	-$14.74M
YoY Change	40.05%	80.37%	-41.88%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	9.196M	7.804M	9.781M
YoY Change	361.18%	-20.21%	-293.68%
NET CHANGE
Cash From Operating Activities	17.12M	17.38M	4.059M
Cash From Investing Activities	-25.40M	-26.60M	-14.74M
Cash From Financing Activities	9.196M	7.804M	9.781M
Net Change In Cash	920.0K	-1.412M	-905.0K
YoY Change	-152.6%	56.02%	-93.51%
FREE CASH FLOW
Cash From Operating Activities	$17.12M	$17.38M	$4.059M
Capital Expenditures	$25.40M	$26.60M	$14.75M
Free Cash Flow	-$8.276M	-$9.216M	-$10.69M
YoY Change	-125.45%	-13.76%	20.11%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.67
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17485	shares
	us-gaap	Depreciation Depreciation	15523000	usd
CY2022Q3	us-gaap	Taxes Other TaxesOther	5031000	usd
CY2021Q3	us-gaap	Taxes Other TaxesOther	3996000	usd
	us-gaap	Taxes Other TaxesOther	13543000	usd
	us-gaap	Taxes Other TaxesOther	11456000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	26873000	usd
CY2022Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1412000	usd
CY2022Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	627000	usd
CY2021Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	344000	usd
	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	1553000	usd
CY2021Q3	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	744000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4185000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	2308000	usd
CY2022Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2039000	usd
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1088000	usd
CY2022Q3	us-gaap	Operating Expenses OperatingExpenses	31157000	usd
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	28450000	usd
	us-gaap	Operating Expenses OperatingExpenses	89657000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5738000	usd
	us-gaap	Operating Expenses OperatingExpenses	82244000	usd
CY2022Q3	us-gaap	Other Operating Income OtherOperatingIncome		usd
CY2021Q3	us-gaap	Other Operating Income OtherOperatingIncome		usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	4684000	usd
	us-gaap	Other Operating Income OtherOperatingIncome	5232000	usd
	us-gaap	Other Operating Income OtherOperatingIncome		usd
	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	2376000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	2355000	usd
CY2022Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	16575000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	2101000	usd
	us-gaap	Interest Expense InterestExpense	6574000	usd
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	11424000	usd
	us-gaap	Interest Expense InterestExpense	5910000	usd
	dei	Entity Central Index Key EntityCentralIndexKey	0000066004
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16259000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	10411000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	38350000	usd
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	25647000	usd
	dei	Amendment Flag AmendmentFlag	false
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1968000	usd
	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2021-08-30
	dei	Document Type DocumentType	10-Q
CY2022Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	3669000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1065000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3092000	usd
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	0-422
	dei	Entity Registrant Name EntityRegistrantName	MIDDLESEX WATER COMPANY
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NJ
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3658000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	14291000	usd
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	22-1114430
	dei	Entity Address Address Line1 EntityAddressAddressLine1	485C Route One South
	dei	Entity Address City Or Town EntityAddressCityOrTown	Iselin
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NJ
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	08830
	dei	City Area Code CityAreaCode	732
	dei	Local Phone Number LocalPhoneNumber	634-1500
	dei	Security12b Title Security12bTitle	Common Stock
	dei	Trading Symbol TradingSymbol	MSEX
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	17638595	shares
	us-gaap	Operating Income Loss OperatingIncomeLoss	39186000	usd
CY2022Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	47732000	usd
CY2021Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	39874000	usd
	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	123611000	usd
	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	109117000	usd
CY2022Q3	msex	Operations And Maintenance OperationsAndMaintenance	20312000	usd
CY2021Q3	msex	Operations And Maintenance OperationsAndMaintenance	18950000	usd
	msex	Operations And Maintenance OperationsAndMaintenance	59007000	usd
	msex	Operations And Maintenance OperationsAndMaintenance	55265000	usd
CY2022Q3	us-gaap	Depreciation Depreciation	5814000	usd
CY2021Q3	us-gaap	Depreciation Depreciation	5504000	usd
	us-gaap	Depreciation Depreciation	17107000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	11476000	usd
	us-gaap	Net Income Loss NetIncomeLoss	35258000	usd
	us-gaap	Net Income Loss NetIncomeLoss	29305000	usd
CY2022Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	30000	usd
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	30000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	90000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	90000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	14261000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11446000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	35168000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29215000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.8
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.99
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.66
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17628	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17491	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17583	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17485	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17743	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17606	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17698	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17600	shares
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	246426000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	247286000	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission And Distribution PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution	709748000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission And Distribution PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution	697200000	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	96433000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	95658000	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	59152000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	24947000	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	1111759000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	1065091000	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	211902000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	199723000	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	899857000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	865368000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2908000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3533000	usd
CY2022Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2593000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2574000	usd
CY2022Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	18081000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	15311000	usd
CY2022Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	11022000	usd
CY2021Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	7273000	usd
CY2022Q3	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	5792000	usd
CY2021Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	5358000	usd
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	2880000	usd
CY2022Q3	us-gaap	Assets Current AssetsCurrent	41472000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	34355000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3992000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4503000	usd
CY2022Q3	msex	Preliminary Survey And Investigation Charges PreliminarySurveyAndInvestigationCharges	3244000	usd
CY2021Q4	msex	Preliminary Survey And Investigation Charges PreliminarySurveyAndInvestigationCharges	3540000	usd
CY2022Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	104903000	usd
CY2021Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	100738000	usd
CY2022Q3	msex	Non Utility Assets Net NonUtilityAssetsNet	11096000	usd
CY2021Q4	msex	Non Utility Assets Net NonUtilityAssetsNet	11428000	usd
CY2022Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	105000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	83000	usd
CY2022Q3	msex	Deferred Charges And Other Assets DeferredChargesAndOtherAssets	123340000	usd
CY2021Q4	msex	Deferred Charges And Other Assets DeferredChargesAndOtherAssets	120292000	usd
CY2022Q3	us-gaap	Assets Assets	1064669000	usd
CY2021Q4	us-gaap	Assets Assets	1020015000	usd
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	232423000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	221919000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	165652000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	145807000	usd
CY2022Q3	msex	Total Common Equity TotalCommonEquity	398075000	usd
CY2021Q4	msex	Total Common Equity TotalCommonEquity	367726000	usd
CY2022Q3	us-gaap	Preferred Stock Value PreferredStockValue	2084000	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	2084000	usd
CY2022Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	301238000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	306520000	usd
CY2022Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	701397000	usd
CY2021Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	676330000	usd
CY2022Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	7567000	usd
CY2021Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	6731000	usd
CY2022Q3	us-gaap	Notes Payable Current NotesPayableCurrent	40500000	usd
CY2021Q4	us-gaap	Notes Payable Current NotesPayableCurrent	13000000	usd
CY2022Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	25873000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	21125000	usd
CY2022Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	12585000	usd
CY2021Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	8621000	usd
CY2022Q3	us-gaap	Interest Payable Current InterestPayableCurrent	2174000	usd
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	1986000	usd
CY2022Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	1477000	usd
CY2021Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	1330000	usd
CY2022Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	2791000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	3826000	usd
CY2022Q3	us-gaap	Liabilities Current LiabilitiesCurrent	92967000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	56619000	usd
CY2022Q3	msex	Construction Advances ConstructionAdvances	22425000	usd
CY2021Q4	msex	Construction Advances ConstructionAdvances	23529000	usd
CY2022Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	3871000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	4367000	usd
CY2022Q3	msex	Accumulated Deferred Income Taxes AccumulatedDeferredIncomeTaxes	76979000	usd
CY2021Q4	msex	Accumulated Deferred Income Taxes AccumulatedDeferredIncomeTaxes	69500000	usd
CY2022Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	8062000	usd
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	11290000	usd
CY2022Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	46693000	usd
CY2021Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	49431000	usd
CY2022Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1004000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1086000	usd
CY2022Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	159034000	usd
CY2021Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	159203000	usd
CY2022Q3	us-gaap	Contributions In Aid Of Construction ContributionsInAidOfConstruction	111271000	usd
CY2021Q4	us-gaap	Contributions In Aid Of Construction ContributionsInAidOfConstruction	127863000	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1064669000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1020015000	usd
	us-gaap	Net Income Loss NetIncomeLoss	35258000	usd
	us-gaap	Net Income Loss NetIncomeLoss	29305000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	20135000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	17253000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4312000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-11801000	usd
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	914000	usd
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	1356000	usd
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	-474000	usd
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	97000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	1270000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	1033000	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	5232000	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments		usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2770000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2459000	usd
	msex	Change In Unbilled Revenues ChangeInUnbilledRevenues	3749000	usd
	msex	Change In Unbilled Revenues ChangeInUnbilledRevenues	2009000	usd
	us-gaap	Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories	434000	usd
	us-gaap	Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories	44000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	789000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1141000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4748000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-13103000	usd
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	3964000	usd
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	2550000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	188000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-943000	usd
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-1973000	usd
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	1187000	usd
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	146000	usd
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	139000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1769000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-124000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	44241000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	18638000	usd
	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	639000	usd
	us-gaap	Allowance For Funds Used During Construction Investing Activities AllowanceForFundsUsedDuringConstructionInvestingActivities	1020000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	65939000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	61245000	usd
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	3122000	usd
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments		usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-62817000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-61245000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	6397000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	28655000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2663000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	21595000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	27500000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	48000000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	612000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	35000	usd
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	25000	usd
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts		usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	10064000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	885000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	15298000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	14294000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	90000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	90000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	146000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	10079000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	17951000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	37485000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-625000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-5122000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3533000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10404000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2908000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5282000	usd
	us-gaap	Contribution Of Property ContributionOfProperty	5705000	usd
	us-gaap	Contribution Of Property ContributionOfProperty	4279000	usd
	msex	Noncash Consideration For Sale Of Subsidiary NoncashConsiderationForSaleOfSubsidiary	-2100000	usd
	msex	Noncash Consideration For Sale Of Subsidiary NoncashConsiderationForSaleOfSubsidiary		usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	6793000	usd
	us-gaap	Interest Paid Net InterestPaidNet	7091000	usd
	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	639000	usd
	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	1020000	usd
	us-gaap	Interest Paid Net InterestPaidNet	2125000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3235000	usd
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	17638000	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	17522000	shares
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	232423000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	221919000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	165652000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	145807000	usd
CY2022Q3	msex	Total Common Equity TotalCommonEquity	398075000	usd
CY2021Q4	msex	Total Common Equity TotalCommonEquity	367726000	usd
CY2022Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	120000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	120000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	20000	shares
CY2022Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	20000	shares
CY2022Q3	us-gaap	Preferred Stock Value PreferredStockValue	2084000	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	2084000	usd
CY2022Q3	us-gaap	Long Term Debt LongTermDebt	307412000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	311146000	usd
CY2022Q3	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	6973000	usd
CY2021Q4	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	7271000	usd
CY2022Q3	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	5580000	usd
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	5166000	usd
CY2022Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	7567000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	6731000	usd
CY2022Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	301238000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	306520000	usd
CY2021Q2	msex	Total Common Equity TotalCommonEquity	355098000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	11476000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	289000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	273000	usd
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.2725
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4766000	usd
CY2021Q3	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	30000	usd
CY2021Q3	msex	Total Common Equity TotalCommonEquity	362340000	usd
CY2020Q4	msex	Total Common Equity TotalCommonEquity	346208000	usd
	us-gaap	Net Income Loss NetIncomeLoss	29305000	usd
	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	885000	usd
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	81000	usd
	us-gaap	Stock Issued During Period Value Other StockIssuedDuringPeriodValueOther	245000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.8175
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	14294000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	90000	usd
CY2021Q3	msex	Total Common Equity TotalCommonEquity	362340000	usd
CY2022Q2	msex	Total Common Equity TotalCommonEquity	385567000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	14291000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	3025000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	361000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.2900
CY2022Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	5114000	usd
CY2022Q3	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	30000	usd
CY2022Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-25000	usd
CY2022Q3	msex	Total Common Equity TotalCommonEquity	398075000	usd
CY2021Q4	msex	Total Common Equity TotalCommonEquity	367726000	usd
	us-gaap	Net Income Loss NetIncomeLoss	35258000	usd
	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	10064000	usd
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	160000	usd
	us-gaap	Stock Issued During Period Value Other StockIssuedDuringPeriodValueOther	280000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.8700
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15298000	usd
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	90000	usd
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-25000	usd
CY2022Q3	msex	Total Common Equity TotalCommonEquity	398075000	usd
CY2022Q1	msex	Penalties Cost PenaltiesCost	500000	usd
CY2022Q1	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	6400000	usd
CY2022Q1	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	5200000	usd
CY2022Q3	us-gaap	Other Long Term Debt OtherLongTermDebt	160100000	usd
CY2021Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	212300000	usd
CY2022Q3	msex	Customer Advances For Construction Work CustomerAdvancesForConstructionWork	22400000	usd
CY2021Q4	msex	Customer Advances For Construction Work CustomerAdvancesForConstructionWork	23500000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	14291000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17628	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	11476000	usd
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17491	shares
CY2022Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	30000	usd
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	30000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	14261000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17628	shares
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11446000	usd
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17491	shares
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	14261000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17628	shares
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11446000	usd
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17491	shares
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	14278000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17743	shares
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	11463000	usd
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17606	shares
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.65
	us-gaap	Net Income Loss NetIncomeLoss	35258000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17583	shares
	us-gaap	Net Income Loss NetIncomeLoss	29305000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17485	shares
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	90000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	90000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	35168000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17583	shares
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29215000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.00
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.67
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	35168000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17583	shares
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29215000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17485	shares
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	35219000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17698	shares
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	29265000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17600	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.99
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.66
CY2022Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	47732000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	2700000	usd
CY2021Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	39874000	usd
	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	123611000	usd
	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	109117000	usd
CY2022Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	16575000	usd
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	11424000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	39186000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	26873000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	14291000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	11476000	usd
	us-gaap	Net Income Loss NetIncomeLoss	35258000	usd
	us-gaap	Net Income Loss NetIncomeLoss	29305000	usd
CY2022Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	26596000	usd
CY2021Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14745000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	65939000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	61245000	usd
CY2022Q3	us-gaap	Assets Assets	1064669000	usd
CY2021Q4	us-gaap	Assets Assets	1020015000	usd
CY2022Q3	us-gaap	Line Of Credit Facility Fair Value Of Amount Outstanding LineOfCreditFacilityFairValueOfAmountOutstanding	140000000.0	usd
CY2022Q3	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	40500000	usd
CY2022Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	99500000	usd
CY2022Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	140000000.0	usd
CY2022Q3	msex	Line Of Credit Facility Average Daily Amount Outstanding LineOfCreditFacilityAverageDailyAmountOutstanding	33750	usd
CY2021Q3	msex	Line Of Credit Facility Average Daily Amount Outstanding LineOfCreditFacilityAverageDailyAmountOutstanding	40543	usd
	msex	Line Of Credit Facility Average Daily Amount Outstanding LineOfCreditFacilityAverageDailyAmountOutstanding	22648	usd
	msex	Line Of Credit Facility Average Daily Amount Outstanding LineOfCreditFacilityAverageDailyAmountOutstanding	22841	usd
CY2022Q3	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0334	pure
CY2021Q3	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0113	pure
	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0248	pure
	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0114	pure
CY2022Q3	us-gaap	Line Of Credit LineOfCredit	40500000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	6200000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1600000	usd
CY2022Q3	msex	Operating Lease Liability1 OperatingLeaseLiability1	4600000	usd
CY2022Q3	msex	Operating Lease Liability Current1 OperatingLeaseLiabilityCurrent1	700000	usd
CY2022Q3	msex	Noncurrent Leases Liability NoncurrentLeasesLiability	3900000	usd
CY2022Q3	msex	Cost Of Treated Water CostOfTreatedWater	936000	usd
CY2021Q3	msex	Cost Of Treated Water CostOfTreatedWater	889000	usd
	msex	Cost Of Treated Water CostOfTreatedWater	2467000	usd
	msex	Cost Of Treated Water CostOfTreatedWater	2641000	usd
CY2022Q3	msex	Cost Of Untreated Water CostOfUntreatedWater	835000	usd
CY2021Q3	msex	Cost Of Untreated Water CostOfUntreatedWater	841000	usd
	msex	Cost Of Untreated Water CostOfUntreatedWater	2384000	usd
	msex	Cost Of Untreated Water CostOfUntreatedWater	2483000	usd
CY2022Q3	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	1771000	usd
CY2021Q3	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	1730000	usd
	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	4851000	usd
	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	5124000	usd
CY2022Q3	msex	Estimated Incremental Borrowing Rate EstimatedIncrementalBorrowingRate	-0.0403	pure
CY2022Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	200000	usd
CY2021Q3	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	200000	usd
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	600000	usd
	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	600000	usd
CY2022Q3	msex	Right Of Use Asset At Lease Inception RightOfUseAssetAtLeaseInception	7300000	usd
CY2021Q4	msex	Right Of Use Asset At Lease Inception RightOfUseAssetAtLeaseInception	7300000	usd
CY2022Q3	msex	Right Of Use Assets Accumulated Amortization RightOfUseAssetsAccumulatedAmortization	3300000	usd
CY2021Q4	msex	Right Of Use Assets Accumulated Amortization RightOfUseAssetsAccumulatedAmortization	2800000	usd
CY2022Q3	msex	Right Of Use Assets Current RightOfUseAssetsCurrent	4000000.0	usd
CY2021Q4	msex	Right Of Use Assets Current RightOfUseAssetsCurrent	4500000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	200000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	800000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	800000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	800000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	900000	usd
	msex	Budgeted Construction Cost BudgetedConstructionCost	85000000	usd
	msex	Estimatedobligationexpenditure Estimatedobligationexpenditure	26000000	usd
	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	400000	usd
CY2022Q3	msex	Residential Operating Revenues ResidentialOperatingRevenues	25108000	usd
CY2021Q3	msex	Residential Operating Revenues ResidentialOperatingRevenues	22517000	usd
	msex	Residential Operating Revenues ResidentialOperatingRevenues	65767000	usd
	msex	Residential Operating Revenues ResidentialOperatingRevenues	59711000	usd
CY2022Q3	msex	Commercial Operating Revenues CommercialOperatingRevenues	7167000	usd
CY2021Q3	msex	Commercial Operating Revenues CommercialOperatingRevenues	4903000	usd
	msex	Commercial Operating Revenues CommercialOperatingRevenues	16796000	usd
	msex	Commercial Operating Revenues CommercialOperatingRevenues	12587000	usd
CY2022Q3	msex	Industrial Operating Revenues IndustrialOperatingRevenues	3208000	usd
CY2021Q3	msex	Industrial Operating Revenues IndustrialOperatingRevenues	2538000	usd
	msex	Industrial Operating Revenues IndustrialOperatingRevenues	8504000	usd
	msex	Industrial Operating Revenues IndustrialOperatingRevenues	6858000	usd
CY2022Q3	msex	Residential Commercial Industrial And Fire Protection Revenue ResidentialCommercialIndustrialAndFireProtectionRevenue	3248000	usd
CY2021Q3	msex	Residential Commercial Industrial And Fire Protection Revenue ResidentialCommercialIndustrialAndFireProtectionRevenue	3171000	usd
	msex	Residential Commercial Industrial And Fire Protection Revenue ResidentialCommercialIndustrialAndFireProtectionRevenue	9541000	usd
	msex	Residential Commercial Industrial And Fire Protection Revenue ResidentialCommercialIndustrialAndFireProtectionRevenue	9436000	usd
CY2022Q3	msex	Wholesale Municipal Revenue WholesaleMunicipalRevenue	5644000	usd
CY2021Q3	msex	Wholesale Municipal Revenue WholesaleMunicipalRevenue	3822000	usd
	msex	Wholesale Municipal Revenue WholesaleMunicipalRevenue	13905000	usd
	msex	Wholesale Municipal Revenue WholesaleMunicipalRevenue	11079000	usd
CY2022Q3	msex	Nonregualted Contract Operations Revenue NonregualtedContractOperationsRevenue	3321000	usd
CY2021Q3	msex	Nonregualted Contract Operations Revenue NonregualtedContractOperationsRevenue	2888000	usd
	msex	Nonregualted Contract Operations Revenue NonregualtedContractOperationsRevenue	8986000	usd
	msex	Nonregualted Contract Operations Revenue NonregualtedContractOperationsRevenue	9336000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	47696000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	39839000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	123499000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	109007000	usd
CY2022Q3	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	486000	usd
CY2021Q3	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	445000	usd
	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	709000	usd
	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	755000	usd
CY2022Q3	msex	Other Nonregulated Revenues OtherNonregulatedRevenues	110000	usd
CY2021Q3	msex	Other Nonregulated Revenues OtherNonregulatedRevenues	107000	usd
	msex	Other Nonregulated Revenues OtherNonregulatedRevenues	330000	usd
	msex	Other Nonregulated Revenues OtherNonregulatedRevenues	321000	usd
CY2022Q3	msex	Inter Segment Elimination Operating Revenues InterSegmentEliminationOperatingRevenues	-560000	usd
CY2021Q3	msex	Inter Segment Elimination Operating Revenues InterSegmentEliminationOperatingRevenues	-517000	usd
	msex	Inter Segment Elimination Operating Revenues InterSegmentEliminationOperatingRevenues	-927000	usd
	msex	Inter Segment Elimination Operating Revenues InterSegmentEliminationOperatingRevenues	-966000	usd
CY2022Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	47732000	usd
CY2021Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	39874000	usd
	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	123611000	usd
	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	109117000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	2700000	usd
	us-gaap	Interest Paid InterestPaid	100000	usd
	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	500000	usd
	us-gaap	Income Tax Examination Interest Expense IncomeTaxExaminationInterestExpense	200000	usd

Files In Submission

Name	View Source	Status
0001174947-22-001123-index-headers.html	Edgar Link	pending
0001174947-22-001123-index.html	Edgar Link	pending
0001174947-22-001123.txt	Edgar Link	pending
0001174947-22-001123-xbrl.zip	Edgar Link	pending
ex31-1.htm	Edgar Link	pending
ex31-2.htm	Edgar Link	pending
ex32-1.htm	Edgar Link	pending
ex32-2.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
form10q-28869_msx.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
msex-20220930.xsd	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
msex-20220930_cal.xml	Edgar Link	unprocessable
msex-20220930_def.xml	Edgar Link	unprocessable
msex-20220930_lab.xml	Edgar Link	unprocessable
msex-20220930_pre.xml	Edgar Link	unprocessable
form10q-28869_msx_htm.xml	Edgar Link	completed

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$MSEX
MIDDLESEX WATER CO Stock $msex

2022 Q4 Form 10-Q Financial Statement

#000117494722001123 Filed on October 28, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MSEX MIDDLESEX WATER CO Stock $msex

2022 Q4 Form 10-Q Financial Statement

#000117494722001123 Filed on October 28, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MSEX
MIDDLESEX WATER CO Stock $msex