Fair Value Measurements (Details 4) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Fair value disclosures [Abstract]
Impaired Loans	$ 261,111
Other Real Estate Owned1	$ 46,811
Impaired Financing Receivable, Recorded Investment Member [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range of Inputs	0.00%
Impaired Financing Receivable, Recorded Investment Member [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range of Inputs	20.00%
Other Real Estate Owned [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range of Inputs	0.00%
Other Real Estate Owned [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range of Inputs	20.00%