Fair Value Accounting and Measurement (Financial Assets Accounted For Fair Value On Nonrecurring Basis) (Details) (USD $) In Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Impaired loans Fair value	$ 13,924
Non-covered OREO Fair value	6,846
Financial assets accounted for fair value on nonrecurring basis total	20,770
Impaired loans Losses	411	5,320
Non-covered OREO Losses	1,313	3,314
Financial assets Losses accounted for nonrecurring basis total	1,724	8,634
Fair Value, Inputs, Level 1 [Member]
Impaired loans Fair value	0
Non-covered OREO Fair value	0
Financial assets accounted for fair value on nonrecurring basis total	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans Fair value	0
Non-covered OREO Fair value	0
Financial assets accounted for fair value on nonrecurring basis total	0
Fair Value, Inputs, Level 3 [Member]
Impaired loans Fair value	13,924
Non-covered OREO Fair value	6,846
Financial assets accounted for fair value on nonrecurring basis total	$ 20,770