Selected Balance Sheet Information (Tables)

6 Months Ended

Jun. 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:

	June 30, 2020		December 31, 2019
Accounts receivable, trade	$	122,650	$	144,747
Unbilled revenue	55,915		113,502
Less: Allowance for credit losses	(7,585)		(2,444)
Accounts receivable, net	$	170,980	$	255,805

Financing Receivable, Current, Allowance for Credit Loss

Changes to allowance for credit losses for the six months ended June 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 June 30,
2020	$	2,444	$	6,715	$	2,203	$	(3,777)	$	7,585
2019	$	3,209	$	4,913	$	1,870	$	(4,906)	$	5,086

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:

	June 30, 2020		December 31, 2019
Materials and supplies	$	92,284	$	82,809
Fuel - Electric Utilities	3,574		2,425
Natural gas in storage	10,129		31,938
Total materials, supplies and fuel	$	105,987	$	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:

	June 30, 2020		December 31, 2019
Accrued employee compensation, benefits and withholdings	$	59,701	$	62,837
Accrued property taxes	36,832		44,547
Customer deposits and prepayments	45,143		54,728
Accrued interest	31,757		31,868
Other (none of which is individually significant)	28,234		32,787
Total accrued liabilities	$	201,667	$	226,767