BANK LOANS, NET, Contractual Maturities of Loan Portfolio (Details) (USD $) In Thousands	Jun. 30, 2011
Contractual maturities of loan portfolio [Abstract]
Due in One Year or Less	$ 424,873
Due in One Year - Five Years	2,912,121
Due in Five Years or more	3,098,129
Total	6,435,123	[1]
Loans held for sale [Member]
Contractual maturities of loan portfolio [Abstract]
Due in One Year or Less	0
Due in One Year - Five Years	0
Due in Five Years or more	63,622
Total	63,622	[1]
Loans held for investment [Member]
Contractual maturities of loan portfolio [Abstract]
Due in One Year or Less	424,873
Due in One Year - Five Years	2,912,121
Due in Five Years or more	3,034,507
Total	6,371,501	[1]
Loans held for investment [Member] | Commercial loans [Member]
Contractual maturities of loan portfolio [Abstract]
Due in One Year or Less	84,276
Due in One Year - Five Years	2,448,746
Due in Five Years or more	1,263,517
Total	3,796,539	[1]
Loans held for investment [Member] | CRE construction loans [Member]
Contractual maturities of loan portfolio [Abstract]
Due in One Year or Less	21,792
Due in One Year - Five Years	3,589
Due in Five Years or more	0
Total	25,381	[1]
Loans held for investment [Member] | CRE loans [Member]
Contractual maturities of loan portfolio [Abstract]
Due in One Year or Less	311,786
Due in One Year - Five Years	447,682
Due in Five Years or more	23,829
Total	783,297	[1]
Loans held for investment [Member] | Residential mortgage loans [Member]
Contractual maturities of loan portfolio [Abstract]
Due in One Year or Less	1,147
Due in One Year - Five Years	12,104
Due in Five Years or more	1,747,136
Total	1,760,387	[1]
Loans held for investment [Member] | Consumer loans [Member]
Contractual maturities of loan portfolio [Abstract]
Due in One Year or Less	5,872
Due in One Year - Five Years	0
Due in Five Years or more	25
Total	$ 5,897	[1]

[1] Excludes any net unearned income and deferred expenses.