Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v2.4.0.8
Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Mar. 31, 2014
Income Taxes [Line Items]          
Liability unrecognized tax benefits $ 0   $ 0   $ 0
Unrecognized tax benefits, interest expense on income taxes 0 2 0 4  
Penalties related to uncertain tax positions $ 0 $ 0 $ 0 $ 0  
Maximum [Member] | Federal Tax Jurisdictions [Member]
         
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2013    
Maximum [Member] | State Tax Jurisdictions [Member]
         
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2013    
Maximum [Member] | International Tax Jurisdictions [Member]
         
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2013    
Minimum [Member] | State Tax Jurisdictions [Member]
         
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2009    
Minimum [Member] | International Tax Jurisdictions [Member]
         
Income Taxes [Line Items]          
Federal and State tax jurisdictions for tax period     2011