Other Real Estate Owned (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Real Estate [Abstract]
Other Real Estate, Covered, Additions	$ 0
Other Real Estate, Non Covered, Additions	13,674
Other Real Estate, Additions	13,674
Covered OREO [Roll Forward]
Beginning balance, Covered OREO	45,534
Transfers of loans, Covered OREO	7,025
Capitalized improvements, Covered OREO	0
Impairments, Covered OREO	(6,275)	[1]
Dispositions, Covered OREO	(29,646)
Other, Covered OREO	(58)
Ending balance, Covered OREO	16,580
Not Covered OREO [Roll Forward]
Beginning balance, Not Covered OREO	44,717
Transfers of loans, Not Covered OREO	6,575
Capitalized improvements, Not Covered OREO	129
Impairments, Not Covered OREO	(1,574)	[1]
Dispositions, Not Covered OREO	(22,939)
Other, Not Covered OREO	(1)
Ending balance, Not Covered OREO	40,581
Total OREO [Rollforward]
Beginning balance, Total OREO	90,251
Transfers of loans, Total OREO	13,600
Capitalized improvements, Total OREO	129
Impairments, Total OREO	(7,849)	[1]
Dispositions, Total OREO	(52,585)
Other, Total OREO	(59)
Ending balance, Total OREO	$ 57,161

[1] Of the total impairment charges of $(6,275) recorded for covered OREO, $(1,255) was included in the Consolidated Statements of Income for the nine months ended September 30, 2013, while the remaining $(5,020) increased the FDIC loss-share indemnification asset.