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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Loans by Credit Quality Indicator) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 169,170	$ 176,322
Commercial real estate — non-owner occupied	483,540	436,901
Land development	60,348	59,779
Construction	110,426	100,625
Multi-family	73,081	80,254
1-4 family	46,341	50,304
Total commercial real estate	942,906	904,185
Commercial and industrial	464,920	472,193
Direct financing leases, net	29,638	31,093
Home equity and second mortgages	5,390	8,237
Other	16,610	16,319
Total consumer and other	22,000	24,556
Total gross loans and leases receivable	$ 1,459,464	$ 1,432,027
Category as a % of total portfolio	100.00%	100.00%
Category I
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 139,894	$ 156,379
Commercial real estate — non-owner occupied	460,093	410,517
Land development	54,194	52,817
Construction	99,947	98,693
Multi-family	72,856	79,368
1-4 family	39,605	41,086
Total commercial real estate	866,589	838,860
Commercial and industrial	370,580	430,199
Direct financing leases, net	28,733	29,514
Home equity and second mortgages	4,637	7,497
Other	16,132	15,616
Total consumer and other	20,769	23,113
Total gross loans and leases receivable	$ 1,286,671	$ 1,321,686
Category as a % of total portfolio	88.17%	92.29%
Category II
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 13,205	$ 7,654
Commercial real estate — non-owner occupied	19,035	20,662
Land development	833	2,241
Construction	5,470	851
Multi-family	225	884
1-4 family	2,632	3,985
Total commercial real estate	41,400	36,277
Commercial and industrial	40,619	7,139
Direct financing leases, net	591	1,013
Home equity and second mortgages	557	0
Other	82	48
Total consumer and other	639	48
Total gross loans and leases receivable	$ 83,249	$ 44,477
Category as a % of total portfolio	5.70%	3.11%
Category III
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 11,468	$ 9,311
Commercial real estate — non-owner occupied	2,505	3,408
Land development	1,647	309
Construction	2,056	564
Multi-family	0	0
1-4 family	1,339	1,865
Total commercial real estate	19,015	15,457
Commercial and industrial	43,752	25,706
Direct financing leases, net	314	528
Home equity and second mortgages	14	141
Other	5	0
Total consumer and other	19	141
Total gross loans and leases receivable	$ 63,100	$ 41,832
Category as a % of total portfolio	4.32%	2.92%
Category IV
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 4,603	$ 2,978
Commercial real estate — non-owner occupied	1,907	2,314
Land development	3,674	4,412
Construction	2,953	517
Multi-family	0	2
1-4 family	2,765	3,368
Total commercial real estate	15,902	13,591
Commercial and industrial	9,969	9,149
Direct financing leases, net	0	38
Home equity and second mortgages	182	599
Other	391	655
Total consumer and other	573	1,254
Total gross loans and leases receivable	$ 26,444	$ 24,032
Category as a % of total portfolio	1.81%	1.68%

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