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Accumulated Other Comprehensive Income (Loss) - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income (loss), Beginning Balance $ (1,261)  
Other comprehensive income before reclassifications 45  
Amounts reclassified from accumulated other comprehensive income (loss) 21  
Other comprehensive income 66 176
Accumulated other comprehensive income (loss), Ending Balance (1,195)  
Pension Liability Adjustment [Member]
    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income (loss), Beginning Balance (1,275)  
Other comprehensive income before reclassifications 36  
Amounts reclassified from accumulated other comprehensive income (loss) 28  
Other comprehensive income 64  
Accumulated other comprehensive income (loss), Ending Balance (1,211)  
Deferred Gain on Cash Flow Derivatives [Member]
    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income (loss), Beginning Balance 14  
Other comprehensive income before reclassifications 9  
Amounts reclassified from accumulated other comprehensive income (loss) (7)  
Other comprehensive income 2  
Accumulated other comprehensive income (loss), Ending Balance $ 16