ACCOUNTS RECEIVABLE, NET OF ALLOWANCE (Tables)

12 Months Ended

Dec. 31, 2019

Receivables [Abstract]

Long Term Accounts Receivable, Net of Allowance

Long-term accounts receivable, net, consisted of the following at the dates indicated (in thousands):

	December 31, 2019			December 31, 2018
Customer receivables	$	153,530		$	167,017
Unearned finance income		(16,303	)		(17,000	)
Allowance for doubtful accounts		(5,884	)		(4,941	)
Accounts receivable, net of allowance		131,343			145,076
Less: Current portion, net of allowance		55,794			57,928
Long-term portion, net of allowance	$	75,549		$	87,148

Activity in Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts was as follows (in thousands):

	December 31, 2019			December 31, 2018
Balance, beginning of period	$	4,941		$	19,795
Cumulative effect of accounting changes		—			(12,876	)
Provision for doubtful accounts		7,559			7,358
Charge-offs, net		(6,616	)		(9,336	)
Balance, end of period	$	5,884		$	4,941