Annual report pursuant to Section 13 and 15(d)

Business Acquisitions (Details 2)

v2.4.0.6
Business Acquisitions (Details 2) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
FundQuest [Member] | Customer list [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount $ 11,830
Intangible assets acquired, Weighted Average Useful Life In Years 7 years
Intangible assets acquired, Amortization Method Accelerated
Prima Capital Holding, Inc [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount 4,940
Prima Capital Holding, Inc [Member] | Customer list [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount 3,740
Intangible assets acquired, Weighted Average Useful Life In Years 10 years
Intangible assets acquired, Amortization Method Accelerated
Prima Capital Holding, Inc [Member] | Proprietary technology [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount 700
Intangible assets acquired, Weighted Average Useful Life In Years 5 years
Intangible assets acquired, Amortization Method Accelerated
Prima Capital Holding, Inc [Member] | Trade names [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount 500
Intangible assets acquired, Weighted Average Useful Life In Years 5 years
Intangible assets acquired, Amortization Method Accelerated
Tamarac, Inc. [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount 16,150
Tamarac, Inc. [Member] | Customer list [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount 8,680
Intangible assets acquired, Weighted Average Useful Life In Years 12 years
Intangible assets acquired, Amortization Method Accelerated
Tamarac, Inc. [Member] | Proprietary technology [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount 5,880
Intangible assets acquired, Weighted Average Useful Life In Years 8 years
Intangible assets acquired, Amortization Method Accelerated
Tamarac, Inc. [Member] | Trade names [Member]
  
Summary of intangible assets acquired, estimated useful lives and amortization method  
Intangible assets acquired, Amount $ 1,590
Intangible assets acquired, Weighted Average Useful Life In Years 5 years
Intangible assets acquired, Amortization Method Accelerated