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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Non-accrual Loans) (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | --- | --- | ---
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | $ 14,180 | $ 15,855 |  |
Foreclosed properties, net | 329 | 333 |  | 1,574
Total non-performing assets | 14,509 | 16,188 |  |
Performing troubled debt restructurings | 602 | 371 |  |
Total impaired assets | 15,111 | 16,559 |  |
Total non-accrual loans and leases to gross loans and leases | 1.41% | 1.61% |  |
Total non-performing assets to total gross loans and leases plus foreclosed properties, net | 1.44% | 1.65% |  |
Total non-performing assets to total assets | 1.11% | 1.28% |  |
Allowance for loan and lease losses to gross loans and leases | 1.39% | 1.42% | 1.60% |
Allowance for loan and lease losses to non-accrual loans and leases | 98.84% | 87.68% |  |
Commercial real estate — owner occupied |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 514 | 339 |  |
Commercial real estate — non-owner occupied |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 277 | 283 |  |
Construction and land development |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 5,232 | 5,422 |  |
Multi-family |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 24 | 31 |  |
1-4 family |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 376 | 521 |  |
Total non-accrual commercial real estate |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 6,423 | 6,596 |  |
Allowance for loan and lease losses to gross loans and leases | 1.38% |  | 1.62% |
Commercial and industrial |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 6,632 | 8,011 |  |
Allowance for loan and lease losses to gross loans and leases | 1.43% |  | 1.55% |
Direct financing leases, net |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 0 | 0 |  |
Allowance for loan and lease losses to gross loans and leases | 1.21% |  | 1.25% |
Home equity and second mortgages |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 348 | 453 |  |
Other |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | 777 | 795 |  |
Total non-accrual consumer and other loans |  |  |  |
Financing Receivable, Impaired |  |  |  |
Non-accrual loans and leases | $ 1,125 | $ 1,248 |  |
Allowance for loan and lease losses to gross loans and leases | 1.54% |  | 2.02% |

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