Schedule II - Valuation and Qualifying Accounts and Reserves

12 Months Ended

Dec. 31, 2018

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

Schedule II - Valuation and Qualifying Accounts and Reserves

Schedule II — Valuation and Qualifying Accounts and Reserves

			Additions
Description	Beginning Balance		Charged to Costs and Expenses		Charged to Other Accounts		Deductions		Ending Balance
(in thousands)
2018
Allowance for Doubtful Accounts	$	11,985	$	51,387	$	—	$	6,163	$	57,209
2017
Allowance for Doubtful Accounts	$	6,911	$	6,250	$	—	$	1,176	$	11,985
2016
Allowance for Doubtful Accounts	$	4,608	$	4,629	$	—	$	2,326	$	6,911