SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2016

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts

Description	Balance at Beginning of Period		Charged to Costs and Expenses		Deductions			Balance at End of Period
Year Ended December 31, 2014:
Allowance for doubtful accounts	$	7,885	$	2,196	$	(3,516	)	$	6,565
Year Ended December 31, 2015:
Allowance for doubtful accounts	$	6,565	$	4,533	$	(3,383	)	$	7,715
Year Ended December 31, 2016:
Allowance for doubtful accounts	$	7,715	$	1,056	$	(3,666	)	$	5,105