Number of Net Investments in Sales-Type Leases

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount of allowance for credit loss on accounts receivable.

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- Definition

Amount of increase (decrease) in allowance for credit loss on accounts receivable.

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Amount of increase in allowance for credit loss on accounts receivable, from recovery.

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Amount of direct write-downs of accounts receivable charged against the allowance.

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Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

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Significant Accounting Policies - Credit Losses - ASU 2016-13 $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) numberOfLeases	Dec. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Allowance for Credit Loss	$ 3,503	$ 3,219
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	593
Accounts Receivable, Allowance for Credit Loss, Recovery	(309)
Regulatory Assets, Noncurrent	$ 338,692	348,927	$ 328,024
Number of Net Investments in Sales-Type Leases \| numberOfLeases	2
COVID-19 Related Costs
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Regulatory Assets, Noncurrent	$ 5,000
COVID-19 Related Costs \| Accounts Receivable
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Regulatory Assets, Noncurrent	2,600
Residential [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Allowance for Credit Loss	2,798	2,153
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	801
Accounts Receivable, Allowance for Credit Loss, Recovery	(156)
Commercial [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Allowance for Credit Loss	389	704
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	(171)
Accounts Receivable, Allowance for Credit Loss, Recovery	(144)
Industrial [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Allowance for Credit Loss	86	142
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	(59)
Accounts Receivable, Allowance for Credit Loss, Writeoff	3
Accrued unbilled and other [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Allowance for Credit Loss	230	$ 220
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	22
Accounts Receivable, Allowance for Credit Loss, Recovery	$ (12)