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Valuation of Intangible Assets (Detail)
$ in Thousands
Jan. 01, 2015
USD ($)
Acquired Intangible Assets [Line Items]  
Amount $ 32,000
State insurance licenses  
Acquired Intangible Assets [Line Items]  
Amount 5,000
Value of business acquired  
Acquired Intangible Assets [Line Items]  
Amount $ 25,500
Value of business acquired | Maximum  
Acquired Intangible Assets [Line Items]  
Useful Life 1 year
Agent Relationships  
Acquired Intangible Assets [Line Items]  
Useful Life 10 years
Amount $ 900
Trade names  
Acquired Intangible Assets [Line Items]  
Amount $ 600
Trade names | Maximum  
Acquired Intangible Assets [Line Items]  
Useful Life 8 years
Trade names | Minimum  
Acquired Intangible Assets [Line Items]  
Useful Life 7 years