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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 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | ---
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | $ 22,298 | $ 9,792 |
Foreclosed properties, net | 1,677 | 1,693 | $ 333
Total non-performing assets | 23,975 | 11,485 |
Performing troubled debt restructurings | 1,735 | 2,003 | $ 371
Total impaired assets | $ 25,710 | $ 13,488 |
Total non-accrual loans and leases to gross loans and leases | 1.55% | 0.76% |
Total non-performing assets to total gross loans and leases plus foreclosed properties, net | 1.67% | 0.89% |
Total non-performing assets to total assets | 1.34% | 0.70% |
Allowance for loan and lease losses to gross loans and leases | 1.14% | 1.12% | 1.42%
Allowance for loan and lease losses to non-accrual loans and leases | 73.17% | 146.33% |
Commercial real estate — owner occupied |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | $ 2,907 | $ 500 |
Commercial real estate — non-owner occupied |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | 1,678 | 286 |
Construction and land development |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | 4,729 | 4,932 |
Multi-family |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | 2 | 17 |
1-4 family (1) |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | 2,611 | 690 |
Total commercial real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | $ 11,927 | $ 6,425 |
Allowance for loan and lease losses to gross loans and leases | 1.24% | 1.06% | 1.40%
Commercial & industrial (2) |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | $ 9,136 | $ 2,318 |
Direct financing leases, net |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | 38 | 0 |
Home equity and second mortgages |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | 542 | 329 |
Other |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | 655 | 720 |
Total consumer and other loans |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Non-accruing loans and leases | $ 1,197 | $ 1,049 |
Allowance for loan and lease losses to gross loans and leases | 2.89% | 1.14% | 1.58%

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