Receivables and allowance for expected credit losses (Tables)

9 Months Ended

Sep. 30, 2024

Credit Loss [Abstract]

Schedule of Accounts Receivable, Allowance for Credit Loss

Details of the Company's expected credit losses were as follows:

	Electric		Natural gas distribution		Pipeline		Construction services		Total
	(In thousands)
At December 31, 2023	$	414	$	1,189	$	—	$	7,967	$	9,570
Current expected credit loss provision	782		1,916		—		(411)		2,287
Less write-offs charged against the allowance	659		1,455		—		48		2,162
Credit loss recoveries collected	147		314		—		—		461
At March 31, 2024	$	684	$	1,964	$	—	$	7,508	$	10,156
Current expected credit loss provision	190		214		—		277		681
Less write-offs charged against the allowance	463		969		—		541		1,973
Credit loss recoveries collected	80		196		—		13		289
At June 30, 2024	$	491	$	1,405	$	—	$	7,257	$	9,153
Current expected credit loss provision	520		1,330		—		84		1,934
Less write-offs charged against the allowance	594		2,121		—		84		2,799
Credit loss recoveries collected	86		255		—		43		384
At September 30, 2024	$	503	$	869	$	—	$	7,300	$	8,672

	Electric		Natural gas distribution		Pipeline		Construction services		Total
	(In thousands)
At December 31, 2022	$	375	$	1,615	$	2	$	2,162	$	4,154
Current expected credit loss provision	615		2,324		—		826		3,765
Less write-offs charged against the allowance	667		1,225		—		51		1,943
Credit loss recoveries collected	145		229		—		1		375
At March 31, 2023	$	468	$	2,943	$	2	$	2,938	$	6,351
Current expected credit loss provision	182		90		—		1,825		2,097
Less write-offs charged against the allowance	316		1,454		—		103		1,873
Credit loss recoveries collected	79		161		—		58		298
At June 30, 2023	$	413	$	1,740	$	2	$	4,718	$	6,873
Current expected credit loss provision	513		1,661		—		1,733		3,907
Less write-offs charged against the allowance	572		2,758		—		27		3,357
Credit loss recoveries collected	75		233		—		—		308
At September 30, 2023	$	429	$	876	$	2	$	6,424	$	7,731