Selected Balance Sheet Information (Tables)

9 Months Ended

Sep. 30, 2020

Selected Balance Sheet Information [Abstract]

Account Receivable Schedule

Following is a summary of Accounts receivable, net included in the accompanying Condensed Consolidated Balance Sheets (in thousands) as of:

	September 30, 2020		December 31, 2019
Accounts receivable, trade	$	108,351	$	144,747
Unbilled revenue	60,736		113,502
Less: Allowance for credit losses	(8,609)		(2,444)
Accounts receivable, net	$	160,478	$	255,805

Financing Receivable, Current, Allowance for Credit Loss

Changes to allowance for credit losses for the nine months ended September 30, 2020 and 2019, respectively, were as follows (in thousands):

	Balance at Beginning of Year		Additions Charged to Costs and Expenses			Recoveries and Other Additions		Write-offs and Other Deductions		Balance at September 30,
2020	$	2,444	$	8,471	(a)	$	3,720	$	(6,026)	$	8,609
2019	$	3,209	$	5,637		$	2,742	$	(8,429)	$	3,159

Materials, Supplies, and Fuel Schedule

The following amounts by major classification are included in Materials, supplies and fuel on the accompanying Condensed Consolidated Balance Sheets (in thousands) as of:

	September 30, 2020		December 31, 2019
Materials and supplies	$	93,069	$	82,809
Fuel - Electric Utilities	1,745		2,425
Natural gas in storage	31,544		31,938
Total materials, supplies and fuel	$	126,358	$	117,172

Accrued Liabilities Schedule

The following amounts by major classification are included in Accrued liabilities on the accompanying Condensed Consolidated Balance Sheets (in thousands) as of:

	September 30, 2020		December 31, 2019
Accrued employee compensation, benefits and withholdings	$	65,309	$	62,837
Accrued property taxes	40,624		44,547
Customer deposits and prepayments	59,510		54,728
Accrued interest	46,044		31,868
Other (none of which is individually significant)	32,523		32,787
Total accrued liabilities	$	244,010	$	226,767