Quarterly report pursuant to Section 13 or 15(d)

Equity - Schedule of Changes in Accumulated OCI by Component, Net of Tax (Detail)

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Equity - Schedule of Changes in Accumulated OCI by Component, Net of Tax (Detail) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance $ 110
Other comprehensive income before reclassifications, net 1,997
Amounts reclassified from accumulated OCI, net (1,320)
Ending balance 787
Unrealized Gains/ (Loss) on Residual Assets [Member]
  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance 113
Other comprehensive income before reclassifications, net (114)
Amounts reclassified from accumulated OCI, net   
Ending balance (1)
Unrealized Gains/ (Losses) on Investments Available-for-Sale [Member]
  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance   
Other comprehensive income before reclassifications, net 2,146
Amounts reclassified from accumulated OCI, net (1,342)
Ending balance 804
Non-Controlling Interest Holders [Member]
  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance (3)
Other comprehensive income before reclassifications, net (35)
Amounts reclassified from accumulated OCI, net 22
Ending balance $ (16)