ACCOUNTS RECEIVABLE, NET OF ALLOWANCE (Tables)

9 Months Ended

Sep. 30, 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):

	September 30, 2021			December 31, 2020
Customer receivables	$	156,828		$	154,903
Unearned finance income		(14,964	)		(16,022	)
Allowance for doubtful accounts		(5,747	)		(5,711	)
Accounts receivable, net of allowance		136,117			133,170
Less: Current portion, net of allowance		60,066			57,869
Long-term portion, net of allowance	$	76,051		$	75,301

Activity in Allowance for Doubtful Accounts

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

	September 30, 2021			December 31, 2020
Balance, beginning of period	$	5,892		$	5,884
Provision for doubtful accounts		5,074			6,275
Charge-offs, net		(5,219	)		(6,267	)
Amounts related to assets held for sale		—			(181	)
Balance, end of period	$	5,747		$	5,711