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Receivables and allowance for expected credit losses (Tables)

3 Months Ended

Mar. 31, 2023

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 materials and contracting			Construction services			Total
			(In thousands)
At December 31, 2022			$	375		$	1,615		$	2		$	5,477		$	2,162		$	9,631
Current expected credit loss provision			615			2,324			—			428			826			4,193
Less write-offs charged against the allowance			667			1,225			—			83			51			2,026
Credit loss recoveries collected			145			229			—			—			1			375
At March 31, 2023			$	468		$	2,943		$	2		$	5,822		$	2,938		$	12,173


			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Total
			(In thousands)
At December 31, 2021			$	269		$	1,506		$	2		$	5,406		$	2,533		$	9,716
Current expected credit loss provision			565			1,369			—			(253)			54			1,735
Less write-offs charged against the allowance			597			932			—			27			71			1,627
Credit loss recoveries collected			124			180			—			—			28			332
At March 31, 2022			$	361		$	2,123		$	2		$	5,126		$	2,544		$	10,156