Capital Stock	3 Months Ended
Mar. 31, 2019
Equity [Abstract]
Capital Stock	Capital Stock The Company had 38,461,948 shares of Class A common stock and 22,374,171 shares of Class B common stock outstanding as of March 31, 2019. The Company had 38,169,575 shares of Class A common stock and 22,453,672 shares of Class B common stock outstanding as of December 31, 2018. During the three months ended March 31, 2019 and 2018, the Company did not repurchase any shares of its Class A common stock other than stock repurchases which were redemptions of vested restricted shares tendered in lieu of cash for payment of income tax withholding amounts by participants in the Company’s equity compensation plans.

Capital Stock

3 Months Ended

Mar. 31, 2019

The Company had 38,461,948 shares of Class A common stock and 22,374,171 shares of Class B common stock outstanding as of March 31, 2019. The Company had 38,169,575 shares of Class A common stock and 22,453,672 shares of Class B common stock outstanding as of December 31, 2018.

During the three months ended March 31, 2019 and 2018, the Company did not repurchase any shares of its Class A common stock other than stock repurchases which were redemptions of vested restricted shares tendered in lieu of cash for payment of income tax withholding amounts by participants in the Company’s equity compensation plans.