Fair Value Measurements (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Financing Receivable, Recorded Investment	$ 261,111
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Held-for-sale, Fair Value Disclosure	39,954	57,414
Assets, Fair Value Disclosure, Nonrecurring	39,954	57,414
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Financing Receivable, Recorded Investment	261,111	290,085
Other Real Estate Owned	46,811	51,913
Assets, Fair Value Disclosure, Nonrecurring	307,922	341,998
Assets measured at fair value Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Held-for-sale, Fair Value Disclosure	39,954	57,414
Impaired Financing Receivable, Recorded Investment	261,111	290,085
Other Real Estate Owned	46,811	51,913
Assets, Fair Value Disclosure, Nonrecurring	$ 347,876	$ 399,412