| Schedule of allowance for doubtful accounts and valuation allowance for deferred tax assets |
| | | | | | | | | | | | | | | | | | Beginning Balance | | Charged to Expense | | Adjustments | | Ending Balance | | (In thousands) | Allowance for doubtful accounts | |
| | |
| | |
| | |
| Year Ended December 31, 2014 | $ | 5,860 |
| | $ | 2,259 |
| | $ | (3,252 | ) | | $ | 4,867 |
| Year Ended December 31, 2013 | $ | 7,899 |
| | $ | 1,187 |
| | $ | (3,226 | ) | | $ | 5,860 |
| Year Ended December 31, 2012 | $ | 2,725 |
| | $ | 3,328 |
| | $ | 1,846 |
| | $ | 7,899 |
|
| | | | | | | | | | | | | | | | | | Beginning Balance | | Charged to Expense | | Adjustments | | Ending Balance | | (In thousands) | Valuation allowance for deferred tax assets | |
| | |
| | |
| | |
| Year Ended December 31, 2014 | $ | 18,361 |
| | $ | 12,671 |
| | $ | (1,313 | ) | | $ | 29,719 |
| Year Ended December 31, 2013 | $ | 5,797 |
| | $ | 8,596 |
| | $ | 3,968 |
| | $ | 18,361 |
| Year Ended December 31, 2012 | $ | 3,603 |
| | $ | 2,194 |
| | $ | — |
| | $ | 5,797 |
|
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