Combined Consolidated Statements of Financial Condition (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Assets    
Cash and cash equivalents $ 95,127 $ 81,208
Accounts receivable 20,117 18,409
Accounts receivable-Manning & Napier Fund, Inc. 12,295 12,850
Investment securities, at fair value 7,931 4,642
Prepaid expenses and other assets 3,615 4,126
Total current assets 139,085 121,235
Property and equipment, net 4,747 3,812
Net deferred tax assets, non-current 52,101 53,786
Total non-current assets 56,848 57,598
Total assets 195,933 178,833
Liabilities    
Accounts payable 1,153 1,139
Accrued expenses and other liabilities 33,371 30,099
Deferred revenue 10,429 9,902
Total current liabilities 44,953 41,140
Amounts payable under tax receivable agreement 45,924 45,885
Total non-current liabilities 45,924 45,885
Total liabilities 90,877 87,025
Commitments and contingencies (Note 7)      
Shareholders' equity    
Additional paid-in capital 191,966 188,133
Retained (deficit) (30,447) (27,167)
Accumulated other comprehensive income 1 2
Total shareholders' equity attributable to Manning & Napier Group 161,656 161,104
Noncontrolling interest (deficit) (56,600) (69,296)
Total shareholders' equity and noncontrolling interest (deficit) 105,056 91,808
Total liabilities, shareholders' equity and noncontrolling interest (deficit) 195,933 178,833
Class A Common Stock
   
Shareholders' equity    
Common stock 136 136
Total shareholders' equity and noncontrolling interest (deficit) 136 136
Class B Common Stock
   
Shareholders' equity    
Common stock 0 0
Total shareholders' equity and noncontrolling interest (deficit) $ 0 $ 0