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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	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 1,720,799	$ 1,619,057
Category as a % of total portfolio	100.00%	100.00%
Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 1,525,399	$ 1,465,379
Category as a % of total portfolio	88.64%	90.51%
Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 100,297	$ 67,853
Category as a % of total portfolio	5.83%	4.19%
Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 69,088	$ 60,344
Category as a % of total portfolio	4.02%	3.73%
Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 26,015	$ 25,481
Category as a % of total portfolio	1.51%	1.57%
Commercial real estate — owner occupied
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 210,471	$ 203,476
Commercial real estate — owner occupied | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	178,451	177,222
Commercial real estate — owner occupied | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	16,454	15,085
Commercial real estate — owner occupied | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	10,402	5,506
Commercial real estate — owner occupied | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	5,164	5,663
Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	477,740	484,427
Commercial real estate — non-owner occupied | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	436,422	458,185
Commercial real estate — non-owner occupied | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	39,506	24,873
Commercial real estate — non-owner occupied | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	1,812	1,338
Commercial real estate — non-owner occupied | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	31
Land development
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	49,000	42,666
Land development | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	46,315	39,472
Land development | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	928	981
Land development | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Land development | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	1,757	2,213
Construction
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	185,347	161,562
Construction | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	185,181	161,360
Construction | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Construction | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	166	202
Construction | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Multi-family
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	195,363	167,868
Multi-family | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	183,788	167,868
Multi-family | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	11,575	0
Multi-family | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Multi-family | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
1-4 family
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	31,656	34,340
1-4 family | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	30,853	32,004
1-4 family | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	92	1,451
1-4 family | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	211	707
1-4 family | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	500	178
Total commercial real estate
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	1,149,577	1,094,339
Total commercial real estate | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	1,061,010	1,036,111
Total commercial real estate | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	68,555	42,390
Total commercial real estate | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	12,591	7,753
Total commercial real estate | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	7,421	8,085
Commercial and industrial
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	510,448	462,321
Commercial and industrial | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	411,133	374,371
Commercial and industrial | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	27,855	19,370
Commercial and industrial | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	53,050	51,474
Commercial and industrial | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	18,410	17,106
Direct financing leases, net
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	30,365	33,170
Direct financing leases, net | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	23,196	26,013
Direct financing leases, net | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	3,816	6,090
Direct financing leases, net | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	3,353	1,067
Direct financing leases, net | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Home equity and second mortgages
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	7,513	8,438
Home equity and second mortgages | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	7,346	8,385
Home equity and second mortgages | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	71	3
Home equity and second mortgages | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	94	50
Home equity and second mortgages | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	2	0
Other
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	22,896	20,789
Other | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	22,714	20,499
Other | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Other | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	0	0
Other | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	182	290
Total consumer and other
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	30,409	29,227
Total consumer and other | Category I
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	30,060	28,884
Total consumer and other | Category II
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	71	3
Total consumer and other | Category III
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	94	50
Total consumer and other | Category IV
Financing Receivable, Recorded Investment
Loans and Leases Receivable, before Fees, Gross	$ 184	$ 290

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Amount, before allowance and fees, of loans and leases receivable. Excludes loans and leases covered under loss sharing agreements.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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