Receivables and allowance for expected credit losses (Tables)

3 Months Ended

Mar. 31, 2024

Credit Loss [Abstract]

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

	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