v2.4.0.8
Portfolio Loans Covered by Loss Share (Covered loans) - Rollforward of Covered Loans, Net of the Allowance for Loan Losses (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Allowance for Loan and Lease Losses [Roll Forward]    
Balance at beginning of period $ 125,100 $ 189,571
Principal reductions and interest payments (18,089) (23,628)
Accretion of loan discount 8,601 13,735
Reclassifications from nonaccretable difference 1,817 5,546
Reductions due to disposals (16,464) (26,406)
Balance at end of period 100,965 158,818
Contractual Rights
    
Allowance for Loan and Lease Losses [Roll Forward]    
Balance at beginning of period 266,068 386,966
Principal reductions and interest payments (18,089) (23,628)
Accretion of loan discount 0 0
Reclassifications from nonaccretable difference (3,871) (2,595)
Reductions due to disposals (25,552) (56,473)
Balance at end of period 218,556 304,270
Non-accretable difference
    
Allowance for Loan and Lease Losses [Roll Forward]    
Balance at beginning of period 87,438 118,627
Principal reductions and interest payments 0 0
Accretion of loan discount 0 0
Reclassifications from nonaccretable difference 5 (14,136)
Reductions due to disposals (5,440) (21,463)
Balance at end of period 82,003 83,028
Accretable Yield
    
Allowance for Loan and Lease Losses [Roll Forward]    
Balance at beginning of period 53,530 78,768
Principal reductions and interest payments 0 0
Accretion of loan discount (8,601) (13,735)
Reclassifications from nonaccretable difference (5,693) 5,995
Reductions due to disposals (3,648) (8,604)
Balance at end of period $ 35,588 $ 62,424