Loans and Credit Quality (Details 1) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Non-Accrual and Past Due Loans
Non-accrual loans at carrying value	$ 335,327	$ 639,849
Asset-Based [Member]
Non-Accrual and Past Due Loans
Non-accrual loans at carrying value	73,820	142,847
Cash Flow [Member]
Non-Accrual and Past Due Loans
Non-accrual loans at carrying value	113,996	183,606
Healthcare Asset-Based [Member]
Non-Accrual and Past Due Loans
Non-accrual loans at carrying value	2,101	2,925
Healthcare Real Estate [Member]
Non-Accrual and Past Due Loans
Non-accrual loans at carrying value	27,328	28,866
Multi-Family [Member]
Non-Accrual and Past Due Loans
Non-accrual loans at carrying value	1,811	11,010
Real Estate [Member]
Non-Accrual and Past Due Loans
Non-accrual loans at carrying value	110,274	265,615
Small Business [Member]
Non-Accrual and Past Due Loans
Non-accrual loans at carrying value	$ 5,997	$ 4,980