Allowance for Expected Credit Losses (Tables)

9 Months Ended

Sep. 30, 2020

Allowance for Expected Credit Losses

Accounts receivable, net of allowance for expected credit losses

		At and For the				At and For the
		Three Months Ended September 30, 2020				Nine Months Ended September 30, 2020
		Accounts Receivable Net of Allowance for Expected Credit Losses		Allowance for Expected Credit Losses		Accounts Receivable Net of Allowance for Expected Credit Losses		Allowance for Expected Credit Losses
Balance, beginning of period	$	199,356	$	914	$	193,369	$	578
Current period change for expected credit losses				296				2,498
Writeoffs of uncollectable accounts receivable				(251)				(2,117)
Balance, end of period	$	193,967	$	959	$	193,967	$	959