SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Allowance for Doubtful Accounts | |||
Movement in Valuation Allowances and Reserves [Roll Forward] | |||
Balance Beginning of Period | $ 15,194 | $ 13,476 | $ 7,354 |
Additions (Deductions) Charged | 6,907 | 4,793 | 8,917 |
Deductions from Reserves | 7,055 | 3,075 | 2,795 |
Balance End of Period | 15,046 | 15,194 | 13,476 |
Revenue Allowance | |||
Movement in Valuation Allowances and Reserves [Roll Forward] | |||
Balance Beginning of Period | 16,232 | 12,185 | 10,752 |
Additions (Deductions) Charged | 24,252 | 28,312 | 20,237 |
Deductions from Reserves | 26,281 | 24,265 | 18,804 |
Balance End of Period | 14,203 | 16,232 | 12,185 |
Valuation Allowance on Deferred Tax Assets | |||
Movement in Valuation Allowances and Reserves [Roll Forward] | |||
Balance Beginning of Period | 30,916 | 29,061 | 29,726 |
Additions (Deductions) Charged | 22,564 | 2,274 | (1,812) |
Deductions from Reserves | 1,709 | (419) | 1,147 |
Balance End of Period | $ 55,189 | $ 30,916 | $ 29,061 |