Allowance for Uncollectible Accounts (Tables)

3 Months Ended

Mar. 31, 2015

Valuation and Qualifying Accounts [Abstract]

Allowance for Uncollectible Accounts

The following table summarizes the activity in the allowance for uncollectible accounts for the three months ended March 31, 2015 (amounts in thousands):

Balance as of December 31, 2014	$	18,582
Additions	5,259
Deductions	(2,856		)
Balance as of March 31, 2015	$	20,985