Loans (Summary of TDRs) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Schedule of corporation's TDRs
Total TDRs	$ 100,577	$ 94,943	$ 92,017
Commercial Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	76,952	72,214	69,337
Consumer Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	23,625	22,729	22,680
Performing [Member]
Schedule of corporation's TDRs
Total TDRs	44,588	39,571	34,071
Performing [Member] | Commercial Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	28,606	26,839	19,469
Performing [Member] | Consumer Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	15,982	12,732	14,602
Nonperforming [Member]
Schedule of corporation's TDRs
Total TDRs	15,444	18,090	18,873
Nonperforming [Member] | Commercial Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	11,797	13,414	15,744
Nonperforming [Member] | Consumer Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	3,647	4,676	3,129
Substandard Nonaccrual [Member]
Schedule of corporation's TDRs
Total TDRs	40,545	37,282	39,073
Substandard Nonaccrual [Member] | Commercial Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	36,549	31,961	34,124
Substandard Nonaccrual [Member] | Consumer Loan Portfolio [Member]
Schedule of corporation's TDRs
Total TDRs	$ 3,996	$ 5,321	$ 4,949