Annual report pursuant to Section 13 and 15(d)

Amounts Recognized Within Assets and Liabilities Based on Right of Offset (Detail)

v2.4.0.8
Amounts Recognized Within Assets and Liabilities Based on Right of Offset (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Derivative [Line Items]    
Gross Amounts $ 27,471 $ 32,989
Gross Amounts Offset (1,065) (3,711)
Total Net Amounts 26,406 29,278
Gross Amounts Not Offset (15,126) (11,685)
Net Amounts 11,280 17,593
Gross Amounts 19,478 39,486
Gross Amounts Offset   (2,538)
Total Net Amounts 19,478 36,948
Gross Amounts Not Offset (19,478) (36,710)
Net Amounts   $ 238