Capital Stock	9 Months Ended
Sep. 30, 2014
Equity [Abstract]
Common Stock	Capital Stock The Company had 21,747,983 shares of Class A common stock and 23,924,939 shares of Class B common stock outstanding as of September 30, 2014. The Company had 19,868,018 shares of Class A common stock and 24,287,045 shares of Class B common stock outstanding as of December 31, 2013. On July 31, 2014, the Company issued 1,378,230 shares of its Class A common stock with an aggregate value of $35,972 as partial consideration for the acquisition of MWFC. In addition, during the nine months ended September 30, 2014, the Company issued 24,581 shares of its Class A common stock to directors for their annual service on the Company's board of directors. The aggregate value of the shares issued to directors of $621 is included in stock-based compensation expense in the accompanying consolidated statements of changes in stockholder's equity. During the nine months ended September 30, 2014, the Company repurchased and retired 362,121 shares of its Class A common stock in a combination of open market and privately negotiated transactions at an aggregate purchase price of $9,078. The repurchases were made pursuant to a stock repurchase program approved by the Company's Board of Directors in November 2013. Under the terms of the stock repurchase program, the Company may repurchase up to an additional 1,637,879 shares of its Class A common stock prior to expiration of the plan on November 25, 2014. All other stock repurchases during the three and nine months ended September 30, 2014 and 2013 were redemptions of vested restricted shares tendered in lieu of cash for payment of income tax withholding amounts by participants of the Company's 2006 Equity Compensation Plan. On January 24, 2014, the Company filed a Registration Statement on Form S-8 to register an additional 1,500,000 shares of Class A common stock to be issued pursuant to the Company's 2006 Equity Compensation Plan, as amended and restated.

Capital Stock

9 Months Ended

Sep. 30, 2014

Capital Stock

The Company had 21,747,983 shares of Class A common stock and 23,924,939 shares of Class B common stock outstanding as of September 30, 2014. The Company had 19,868,018 shares of Class A common stock and 24,287,045 shares of Class B common stock outstanding as of December 31, 2013.

On July 31, 2014, the Company issued 1,378,230 shares of its Class A common stock with an aggregate value of $35,972 as partial consideration for the acquisition of MWFC. In addition, during the nine months ended September 30, 2014, the Company issued 24,581 shares of its Class A common stock to directors for their annual service on the Company's board of directors. The aggregate value of the shares issued to directors of $621 is included in stock-based compensation expense in the accompanying consolidated statements of changes in stockholder's equity.

During the nine months ended September 30, 2014, the Company repurchased and retired 362,121 shares of its Class A common stock in a combination of open market and privately negotiated transactions at an aggregate purchase price of $9,078. The repurchases were made pursuant to a stock repurchase program approved by the Company's Board of Directors in November 2013. Under the terms of the stock repurchase program, the Company may repurchase up to an additional 1,637,879 shares of its Class A common stock prior to expiration of the plan on November 25, 2014. All other stock repurchases during the three and nine months ended September 30, 2014 and 2013 were redemptions of vested restricted shares tendered in lieu of cash for payment of income tax withholding amounts by participants of the Company's 2006 Equity Compensation Plan.

On January 24, 2014, the Company filed a Registration Statement on Form S-8 to register an additional 1,500,000 shares of Class A common stock to be issued pursuant to the Company's 2006 Equity Compensation Plan, as amended and restated.