Loans (Summary of TDRs) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Schedule of corporation's TDRs
Total TDRs	$ 104,383	$ 94,943	$ 95,099
Commercial Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	80,696	72,214	72,315
Consumer Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	23,687	22,729	22,784
Performing [Member]
Schedule of corporation's TDRs
Total TDRs	44,133	39,571	32,657
Performing [Member] | Commercial Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	29,296	26,839	18,497
Performing [Member] | Consumer Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	14,837	12,732	14,160
Nonperforming [Member]
Schedule of corporation's TDRs
Total TDRs	16,565	18,090	22,386
Nonperforming [Member] | Commercial Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	11,049	13,414	19,140
Nonperforming [Member] | Consumer Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	5,516	4,676	3,246
Substandard Nonaccrual [Member]
Schedule of corporation's TDRs
Total TDRs	43,685	37,282	40,056
Substandard Nonaccrual [Member] | Commercial Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	40,351	31,961	34,678
Substandard Nonaccrual [Member] | Consumer Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	$ 3,334	$ 5,321	$ 5,378