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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 | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Impaired |  |
Non-accrual loans and leases | $ 20,030 | $ 26,389
Foreclosed properties, net | 1,484 | 1,069
Total non-performing assets | 21,514 | 27,458
Performing troubled debt restructurings | 261 | 332
Total impaired assets | $ 21,775 | $ 27,790
Total non-accrual loans and leases to gross loans and leases | 1.28% | 1.76%
Total non-performing assets to total gross loans and leases plus foreclosed properties, net | 1.37% | 1.83%
Total non-performing assets to total assets | 1.15% | 1.53%
Allowance for loan and lease losses to gross loans and leases | 1.19% | 1.25%
Allowance for loan and lease losses to non-accrual loans and leases | 93.05% | 71.10%
Commercial real estate — owner occupied |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | $ 3,978 | $ 7,021
Commercial real estate — non-owner occupied |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 33 | 34
Land development |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 2,517 | 2,626
Construction |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 2,000 | 2,872
Multi-family |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 0 | 0
1-4 family |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 733 | 1,161
Total non-accrual commercial real estate |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 9,261 | 13,714
Commercial and industrial |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 10,453 | 12,321
Direct financing leases, net |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 0 | 0
Home equity and second mortgages |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 0 | 0
Other |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | 316 | 354
Total non-accrual consumer and other loans |  |
Financing Receivable, Impaired |  |
Non-accrual loans and leases | $ 316 | $ 354

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