v3.3.1.900
Schedule II Schedule of Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 590 $ 389 $ 331
Charged to Costs and Expenses 851 470 307
Deductions and Other (672) (269) (249)
Balance at End of Year $ 769 $ 590 $ 389