ACCOUNTS RECEIVABLE, NET OF ALLOWANCE (Tables)

3 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Long Term Accounts Receivable, Net of Allowance

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

	March 31, 2021			December 31, 2020
Customer receivables	$	156,503		$	154,903
Unearned finance income		(15,633	)		(16,022	)
Allowance for doubtful accounts		(5,973	)		(5,711	)
Accounts receivable, net of allowance		134,897			133,170
Less: Current portion, net of allowance		58,912			57,869
Long-term portion, net of allowance	$	75,985		$	75,301

Activity in Allowance for Doubtful Accounts

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

	March 31, 2021			December 31, 2020
Balance, beginning of period	$	5,892		$	5,884
Provision for doubtful accounts		2,212			6,275
Charge-offs, net		(1,950	)		(6,267	)
Amounts related to assets held for sale		(181	)		(181	)
Balance, end of period	$	5,973		$	5,711