Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tax Effects Of Temporary Differences Which Give Rise To Deferred Tax Assets And Liabilities) (Details)

v2.4.0.6
Income Taxes (Tax Effects Of Temporary Differences Which Give Rise To Deferred Tax Assets And Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Income Taxes [Abstract]    
Medical claims liability and other accruals $ 39,864 $ 25,418
Unearned premium and other deferred revenue 985 8,934
Other 640 1,999
Current deferred tax assets 41,489 36,351
Valuation allowance (2,896) (741)
Net current deferred tax assets 38,593 35,610
State net operating loss carry forward 8,761 4,841
Purchase of noncontrolling interest   13,223
Stock compensation 13,234 13,676
Other 13,456 8,599
Non-current deferred tax assets 35,451 40,339
Valuation allowance (5,625) (4,400)
Net non-current deferred tax assets 29,826 35,939
Prepaid assets and other 5,788 4,350
Net current deferred tax liabilities 5,788 4,350
Intangible assets 10,756 11,519
Depreciation and amortization 31,398 34,743
Unrealized gain on investments 2,877 3,613
Other 2,620 2,777
Net non-current deferred tax liabilities 47,651 52,652
Net deferred tax assets $ 14,980 $ 14,547