|
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
Mar. 31, 2015
|
Dec. 31, 2014
|
|---|---|---|
| Accounts receivable, allowance for doubtful accounts (in dollars) | $ 1,436 | $ 1,409 |
| Accumulated depreciation (in dollars) | $ 97,271 | $ 95,083 |
| Preferred stock, shares issued | 0 | 0 |
| Shares to be issued, shares | 0 | 0 |
| Common Class A | ||
| Common stock, shares issued | 49,846,285 | 49,680,109 |
| Common stock, shares outstanding | 49,846,285 | 49,680,109 |
| Common Class B | ||
| Common stock, shares issued | 3,755 | 3,755 |
| Common stock, shares outstanding | 3,755 | 3,755 |