v2.4.0.8
Equity Transactions Equity Rollforward (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Stockholders' Equity Attributable to Parent $ 514,393   $ 514,393   $ 518,705
Adjustments Related to Tax Withholding for Share-based Compensation     2,411    
Net Income (Loss) Attributable to Parent 9,238 9,673 (3,031) 20,603  
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax 93 0 248 737  
Dividends     8,233    
Proceeds from Stock Options Exercised     641 590  
Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Financing Activities     683 1,590  
Share-based Compensation     7,791 3,135  
Noncontrolling Interest, Increase from Business Combination     5,101 0  
Net Income (Loss) Attributable to Noncontrolling Interest (632) 0 (1,266) 0  
Noncontrolling Interest in Variable Interest Entity 3,835   3,835   0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ 518,228   $ 518,228   $ 518,705