Consolidated Statements of Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Preferred Stock	Class A Common Stock	Class B Non-Voting Common Stock	Paid-in Capital	Accumulated Deficit
Balance at Dec. 31, 2010	$ 1,224,935	$ 0	$ 636	$ 18	$ 1,276,321	$ (52,040)
Balance, shares at Dec. 31, 2010		0	63,563,810	1,829,339
Class A Common Stock issuance	868,554		348		868,206
Class A Common Stock issuance, shares			34,825,470
Issuance of restricted stock units, net, shares			495,851
Stock based compensation	22,660				22,660
Net income	10,199					10,199
Balance at Jun. 30, 2011	$ 2,126,348	$ 0	$ 984	$ 18	$ 2,167,187	$ (41,841)
Balance, shares at Jun. 30, 2011		0	98,885,131	1,829,339