SIGNIFICANT ACCOUNTING POLICIES (Tables)

3 Months Ended

Mar. 31, 2020

SIGNIFICANT ACCOUNTING POLICIES

Schedule of change in allowance for doubtful accounts

	Three months ended March 31, 2020
	(in thousands)
Balance at beginning of year	$	5,773
Increase to allowance based on a percent of Current Quarter revenue		556
Adjustment based on aged receivable analysis		1,829
Charge-offs		(1,022)
Balance at March 31, 2020	$	7,136

Summary of change in asset retirement obligations

	Three months ended March 31, 2020
	(in thousands)
Balance at beginning of year	$	1,527
Accretion expense, included in depreciation and amortization expense		31
Disposals		(219)
Payments		(64)
Balance at March 31, 2020	$	1,275

Schedule of lessor income

		Three Months Ended March 31,
		2020		2019
		(in thousands)
Category	Classification
Lessor income	Cost of sales	$	116	$	111
Sublease income	Lease abandonment costs and Cost of sales		401		373