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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, 2019	Dec. 31, 2018
Financing Receivable, Impaired
Non-accrual loans and leases	$ 23,540	$ 25,301
Foreclosed properties, net	2,547	2,547
Total non-performing assets	26,087	27,848
Performing troubled debt restructurings	169	180
Total impaired assets	$ 26,256	$ 28,028
Total non-accrual loans and leases to gross loans and leases	1.42%	1.56%
Total non-performing assets to total gross loans and leases plus foreclosed properties, net	1.57%	1.72%
Total non-performing assets to total assets	1.30%	1.42%
Allowance for loan and lease losses to gross loans and leases	1.23%	1.26%
Allowance for loan and lease losses to non-accrual loans and leases	86.87%	80.73%
Commercial real estate — owner occupied
Financing Receivable, Impaired
Non-accrual loans and leases	$ 5,166	$ 5,663
Commercial real estate — non-owner occupied
Financing Receivable, Impaired
Non-accrual loans and leases	31	31
Land development
Financing Receivable, Impaired
Non-accrual loans and leases	2,150	2,213
Construction
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
Multi-family
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
1-4 family
Financing Receivable, Impaired
Non-accrual loans and leases	0	0
Total non-accrual commercial real estate
Financing Receivable, Impaired
Non-accrual loans and leases	7,347	7,907
Commercial and industrial
Financing Receivable, Impaired
Non-accrual loans and leases	15,892	17,104
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	301	290
Total non-accrual consumer and other loans
Financing Receivable, Impaired
Non-accrual loans and leases	$ 301	$ 290

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Ratio of Allowance for Loan and Lease Losses to Total Gross Loans and Leases

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Ratio of Total Nonperforming Assets to Gross Loans and Leases Plus Foreclosed Properties, Net

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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

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Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

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