XML 59 R47.htm IDEA: XBRL DOCUMENT v3.22.1

RELATED PARTY TRANSACTIONS (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2022
Related Party Transactions [Abstract]
Stock ownership required to be disclosed, minimum		5.00%
Morris Nichols Arsht & Tunnell LLP [Member]
Related Party Transactions [Abstract]
Amount paid for legal services	$ 13,000

X

- References

No definition available.

+ Details

Name:	artna_RelatedPartyTransactionsDisclosureAbstract
Namespace Prefix:	artna_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The minimum percentage of the entity's securities owned by a related party that would potentially require to be disclosed.

+ References

No definition available.

+ Details

Name:	artna_StockOwnershipRequiredToBeDisclosedMinimum
Namespace Prefix:	artna_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

+ Details

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

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=artna_MorrisNicholsArshtTunnellMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: