XML 52 R41.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Commitments and Contingent Liabilities (Details) - Schedule of Purchased Water Costs - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Schedule of Purchased Water Costs [Abstract]
Treated	$ 909	$ 1,383
Untreated	850	802
Total Costs	$ 1,759	$ 2,185

X

- Definition

Refers to cost of treated water during the period.

+ References

No definition available.

+ Details

Name:	msex_CostOfTreatedWater
Namespace Prefix:	msex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Refers to cost of untreated water during the period.

+ References

No definition available.

+ Details

Name:	msex_CostOfUntreatedWater
Namespace Prefix:	msex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Cost of water purchased, may include any water related assessment. If water is bought on a unit volume basis, would also be considered as commodity costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_CostOfPurchasedWater
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DirectOperatingCostsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration