XML 16 R70.htm IDEA: XBRL DOCUMENT v2.4.0.8
Deposits - Schedule of Deposits (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Deposit [Line Items]    
Total non-interest-bearing demand deposits $ 8,617,316 $ 8,311,149
Total interest-bearing deposits 12,448,317 12,377,637
Total deposits 21,065,633 20,688,786
Total non-interest-bearing demand deposits, Percentage of Total 40.90% 40.20%
Total interest-bearing deposits, Percentage of Total 59.10% 59.80%
Total deposits, Percentage of Total 100.00% 100.00%
Commercial and Individual [Member]
    
Deposit [Line Items]    
Total non-interest-bearing demand deposits 7,805,678 7,445,656
Total non-interest-bearing demand deposits, Percentage of Total 37.00% 36.00%
Correspondent Banks [Member]
    
Deposit [Line Items]    
Total non-interest-bearing demand deposits 403,884 427,134
Total non-interest-bearing demand deposits, Percentage of Total 1.90% 2.10%
Private Accounts [Member]
    
Deposit [Line Items]    
Savings and interest checking 4,054,812 4,020,313
Money market accounts 7,019,501 6,883,869
Time accounts of $100,000 or more 487,750 508,441
Time accounts under $100,000 439,098 438,800
Total private accounts 12,001,161 11,851,423
Savings and interest checking, Percentage of Total 19.30% 19.40%
Money market accounts, Percentage of Total 33.30% 33.30%
Time accounts of $100,000 or more, Percentage of Total 2.30% 2.50%
Time accounts under $100,000, Percentage of Total 2.10% 2.10%
Total private accounts, Percentage of Total 57.00% 57.30%
Public Funds [Member]
    
Deposit [Line Items]    
Total non-interest-bearing demand deposits 407,754 438,359
Savings and interest checking 260,432 305,976
Money market accounts 40,942 56,015
Time accounts of $100,000 or more 141,455 160,637
Time accounts under $100,000 4,327 3,586
Total public funds $ 447,156 $ 526,214
Total non-interest-bearing demand deposits, Percentage of Total 2.00% 2.10%
Savings and interest checking, Percentage of Total 1.20% 1.50%
Money market accounts, Percentage of Total 0.20% 0.20%
Time accounts under $100,000, Percentage of Total 0.00% 0.00%
Time accounts of $100,000 or more, Percentage of Total 0.70% 0.80%
Total public funds, Percentage of Total 2.10% 2.50%