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Bank Loans (Loans That Were Individually Evaluated For Impairment By Portfolio Segment) (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Financing Receivable Impaired [Line Items]    
Unpaid Contractual Principal Balance $ 6,643 $ 5,570
Recorded Investment with No Allowance 5,114 3,944
Recorded Investment with Allowance 766 941
Total Recorded Investment 5,880 4,885
Related Allowance 218 272
Average Recorded Investment 5,904 5,219
Consumer [Member]    
Financing Receivable Impaired [Line Items]    
Unpaid Contractual Principal Balance 20 13
Recorded Investment with No Allowance 8  
Recorded Investment with Allowance 11 13
Total Recorded Investment 19 13
Related Allowance 11 13
Average Recorded Investment 21 15
Residential Real Estate [Member]    
Financing Receivable Impaired [Line Items]    
Unpaid Contractual Principal Balance 6,081 5,006
Recorded Investment with No Allowance 5,106 3,944
Recorded Investment with Allowance 213 377
Total Recorded Investment 5,319 4,321
Related Allowance 37 87
Average Recorded Investment 5,337 4,646
Commercial Real Estate [Member]    
Financing Receivable Impaired [Line Items]    
Unpaid Contractual Principal Balance 219 228
Recorded Investment with Allowance 219 228
Total Recorded Investment 219 228
Related Allowance 22 23
Average Recorded Investment 223 235
Home Equity Lines Of Credit [Member]    
Financing Receivable Impaired [Line Items]    
Unpaid Contractual Principal Balance 323 323
Recorded Investment with Allowance 323 323
Total Recorded Investment 323 323
Related Allowance 148 149
Average Recorded Investment $ 323 $ 323