|
CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
|
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| CONSOLIDATED BALANCE SHEETS | ||
| Preferred stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized | 100,000,000 | 100,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 750,000,000 | 750,000,000 |
| Common stock, shares issued | 109,669,429 | 109,653,363 |
| Common stock, shares outstanding | 109,669,429 | 109,653,363 |