Quarterly report pursuant to sections 13 or 15(d)

Summary of Goodwill and Intangible Assets (Detail)

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Summary of Goodwill and Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Goodwill And Intangible Assets [Line Items]      
Intangible assets, beginning balance $ 10,609 $ 11,122 $ 4,757
Intangible assets, adjustment to Acquisition 0 0  
Goodwill, adjustment to Acquisition 0 (70)  
Intangible assets, Acquisition     6,826
Intangible assets, amortization (514) (513) (461)
Intangible assets, ending balance 10,095 10,609 11,122
Goodwill Beginning Balance 4,770 4,840 3,588
Goodwill, Acquisition     1,252
Goodwill, amortization 0 0 0
Goodwill Ending Balance $ 4,770 $ 4,770 $ 4,840