Subsequent Events	12 Months Ended
Dec. 31, 2014
Subsequent Events	(19) Subsequent Events In February 2015, the Compensation Committee of the Board of Directors approved, subject to stockholder approval of Amendment No. 1 to the 2013 Plan, the grant of stock options to purchase an aggregate of 200,000 shares of class A common stock to certain Company employees and officers pursuant to the 2013 Plan. The fair value of these stock options is approximately $13.6 million, to be recognized as share-based compensation expense over a four year vesting period. These awards will be terminated or forfeited if stockholder approval of Amendment No. 1 is not obtained within 12 months of the date of grant of the awards, and no awards may be exercised or settled prior to such stockholder approval. However, the Company expects to obtain stockholder approval of Amendment No. 1 to the 2013 Plan at the Company’s annual meeting of stockholders in 2015. The 2013 Plan is described in further detail in Note 12, Share-based Compensation, to the Consolidated Financial Statements.

(19) Subsequent Events

In February 2015, the Compensation Committee of the Board of Directors approved, subject to stockholder approval of Amendment No. 1 to the 2013 Plan, the grant of stock options to purchase an aggregate of 200,000 shares of class A common stock to certain Company employees and officers pursuant to the 2013 Plan. The fair value of these stock options is approximately $13.6 million, to be recognized as share-based compensation expense over a four year vesting period.

These awards will be terminated or forfeited if stockholder approval of Amendment No. 1 is not obtained within 12 months of the date of grant of the awards, and no awards may be exercised or settled prior to such stockholder approval. However, the Company expects to obtain stockholder approval of Amendment No. 1 to the 2013 Plan at the Company’s annual meeting of stockholders in 2015. The 2013 Plan is described in further detail in Note 12, Share-based Compensation, to the Consolidated Financial Statements.