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Receivable and Allowance for Credit Losses (Tables)
3 Months Ended
Mar. 31, 2021
Receivable and Allowance for Credit Losses  
Schedule of allowances for credit losses related to trade receivables

Three months ended

March 31,

2021

2020

(in thousands)

Balance, beginning of period

$

$

818

Provision for credit losses

Charge-offs

(818)

Recoveries

Balance, end of period

$

$