Loans and the Allowance for Loan Losses (Details 10) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Changes in accretable yield of loans acquired with deteriorated credit quality
Beginning Balance	$ (7,848)
Reclasses from nonaccretable difference	(3,637)
Accretion	6,575
Ending Balance	(4,910)
Impaired Covered Loans [Member]
Changes in accretable yield of loans acquired with deteriorated credit quality
Beginning Balance	(13)
Reclasses from nonaccretable difference	(87)
Accretion	98
Ending Balance	(2)
Other Covered Loans [Member]
Changes in accretable yield of loans acquired with deteriorated credit quality
Beginning Balance	(6,705)
Reclasses from nonaccretable difference	(3,021)
Accretion	5,821
Ending Balance	(3,905)
Not Covered Loans [Member]
Changes in accretable yield of loans acquired with deteriorated credit quality
Beginning Balance	(1,130)
Reclasses from nonaccretable difference	(529)
Accretion	656
Ending Balance	$ (1,003)

The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans accounted for as available-for-sale debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Current period recognition of the accretion of the excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This element relates to loans accounted for as available-for-sale debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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- Definition

Change in the estimate of cash flows expected to be collected, which results in an increase in accretable yield. This relates to a loan accounted for as an available-for-sale debt security, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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