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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	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 212,698	$ 203,476
Commercial real estate — non-owner occupied	479,061	484,427
Land development	47,503	42,666
Construction	169,894	161,562
Multi-family	184,490	167,868
1-4 family	33,255	34,340
Total commercial real estate	1,126,901	1,094,339
Commercial and industrial	466,277	462,321
Direct financing leases, net	32,724	33,170
Home equity and second mortgages	8,377	8,438
Other	23,367	20,789
Total consumer and other	31,744	29,227
Total gross loans and leases receivable	$ 1,657,646	$ 1,619,057
Category as a % of total portfolio	100.00%	100.00%
Category I
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 182,067	$ 177,222
Commercial real estate — non-owner occupied	442,930	458,185
Land development	44,393	39,472
Construction	169,720	161,360
Multi-family	184,490	167,868
1-4 family	31,151	32,004
Total commercial real estate	1,054,751	1,036,111
Commercial and industrial	385,166	374,371
Direct financing leases, net	25,251	26,013
Home equity and second mortgages	8,253	8,385
Other	23,065	20,499
Total consumer and other	31,318	28,884
Total gross loans and leases receivable	$ 1,496,486	$ 1,465,379
Category as a % of total portfolio	90.28%	90.51%
Category II
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 17,097	$ 15,085
Commercial real estate — non-owner occupied	35,142	24,873
Land development	960	981
Construction	0	0
Multi-family	0	0
1-4 family	1,238	1,451
Total commercial real estate	54,437	42,390
Commercial and industrial	19,228	19,370
Direct financing leases, net	3,943	6,090
Home equity and second mortgages	75	3
Other	0	0
Total consumer and other	75	3
Total gross loans and leases receivable	$ 77,683	$ 67,853
Category as a % of total portfolio	4.69%	4.19%
Category III
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 8,368	$ 5,506
Commercial real estate — non-owner occupied	958	1,338
Land development	0	0
Construction	174	202
Multi-family	0	0
1-4 family	698	707
Total commercial real estate	10,198	7,753
Commercial and industrial	45,991	51,474
Direct financing leases, net	3,530	1,067
Home equity and second mortgages	49	50
Other	0	0
Total consumer and other	49	50
Total gross loans and leases receivable	$ 59,768	$ 60,344
Category as a % of total portfolio	3.60%	3.73%
Category IV
Financing Receivable, Recorded Investment
Commercial real estate — owner occupied	$ 5,166	$ 5,663
Commercial real estate — non-owner occupied	31	31
Land development	2,150	2,213
Construction	0	0
Multi-family	0	0
1-4 family	168	178
Total commercial real estate	7,515	8,085
Commercial and industrial	15,892	17,106
Direct financing leases, net	0	0
Home equity and second mortgages	0	0
Other	302	290
Total consumer and other	302	290
Total gross loans and leases receivable	$ 23,709	$ 25,481
Category as a % of total portfolio	1.43%	1.57%

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