Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2020

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule II—Valuation and Qualifying Accounts

Schedule II—Valuation and Qualifying Accounts

Allowance for Doubtful Accounts	Balance at Beginning of Year		Charged to Cost and Expense(1)	Accounts Written Off	Other	Balance at End of Year
Year Ended December 31, 2020	$	8,072	3,644	(3,230)	1,706	$	10,192
Year Ended December 31, 2019	$	4,745	4,955	(1,447)	(181)	$	8,072
Year Ended December 31, 2018	$	4,753	2,007	(1,489)	(526)	$	4,745

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(1) Net of recoveries on previously reserved or written-off balances.

Deferred Tax Valuation Allowance	Balance at Beginning of Year		Additions	Reductions	Other	Balance at End of Year
Year Ended December 31, 2020	$	6,027	21,101	(342)	—	$	26,786
Year Ended December 31, 2019	$	722	5,556	(251)	—	$	6,027
Year Ended December 31, 2018	$	1,280	331	(889)	—	$	722