Accounts Receivable

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Accounts Receivable

Accounts Receivable

A summary of accounts receivable is as follows (in thousands):

	December 31,
	2020		2019
Oil, natural gas and NGL sales	$	12,757	$	22,281
Joint interest billing	6,421		5,165
Other	4,754		2,315
Total accounts receivable	23,932		29,761
Less: allowance for doubtful accounts	(4,356)		(1,117)
Total accounts receivable, net	$	19,576	$	28,644

The following table presents the balance and activity in the allowance for doubtful accounts for the years ended December 31, 2020 and 2019 (in thousands):

	Year Ended December 31,
	2020		2019
Beginning balance	$	1,117	$	1,295
Additions charged to costs and expenses (1)	3,239		6
Deductions (2)	—		(184)
Ending balance	$	4,356	$	1,117

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(1)The Company performed an assessment of receivable balances related to governmental and other regulatory items during the year ended December 31, 2020, and recorded a $2.5 million allowance that is non-recurring in nature.

(2)Deductions represent the write-off of receivables and collections of amounts for which an allowance had previously been established.