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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Past Due Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	$ 5,938	$ 5,853
Current	1,445,355	1,428,876
Non-accrual loans and leases	17,861	22,298
Total gross loans and leases receivable	$ 1,451,293	$ 1,434,729
30 to 59 days past due, percent of total portfolio	0.07%	0.21%
60 to 89 days past due, percent of total portfolio	0.15%	0.04%
Greater than 90 days past due, percent of portfolio	0.19%	0.16%
Past due, percent of total portfolio	0.41%	0.41%
Current, percent of total portfolio	99.59%	99.59%
Gross loans, percent of total portfolio	100.00%	100.00%
Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	$ 465	$ 473
Current	173,821	175,850
Non-accrual loans and leases	2,817	2,907
Total gross loans and leases receivable	174,286	176,323
Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	588	0
Current	440,951	436,900
Non-accrual loans and leases	262	1,678
Total gross loans and leases receivable	441,539	436,900
Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,766	397
Current	178,012	160,007
Non-accrual loans and leases	4,502	4,729
Total gross loans and leases receivable	179,778	160,404
Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	84,004	80,254
Non-accrual loans and leases	0	2
Total gross loans and leases receivable	84,004	80,254
1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,686	1,437
Current	50,934	50,170
Non-accrual loans and leases	2,631	2,611
Total gross loans and leases receivable	52,620	51,607
Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	792	2,641
Current	460,781	470,951
Non-accrual loans and leases	6,718	9,136
Total gross loans and leases receivable	461,573	473,592
Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	31,617	31,093
Non-accrual loans and leases	0	38
Total gross loans and leases receivable	31,617	31,093
Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	250
Current	7,366	7,987
Non-accrual loans and leases	290	542
Total gross loans and leases receivable	7,366	8,237
Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	641	655
Current	17,869	15,664
Non-accrual loans and leases	641	655
Total gross loans and leases receivable	18,510	16,319
Accruing loans and leases
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,963	78
Current	1,431,469	1,412,353
Accrual loans and leases	1,433,432	1,412,431
Accruing loans and leases | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	171,469	173,416
Accrual loans and leases	171,469	173,416
Accruing loans and leases | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	588	0
Current	440,689	435,222
Accrual loans and leases	441,277	435,222
Accruing loans and leases | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,375	0
Current	173,901	155,675
Accrual loans and leases	175,276	155,675
Accruing loans and leases | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	84,004	80,252
Accrual loans and leases	84,004	80,252
Accruing loans and leases | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	78
Current	49,989	48,918
Accrual loans and leases	49,989	48,996
Accruing loans and leases | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	454,855	464,456
Accrual loans and leases	454,855	464,456
Accruing loans and leases | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	31,617	31,055
Accrual loans and leases	31,617	31,055
Accruing loans and leases | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	7,076	7,695
Accrual loans and leases	7,076	7,695
Accruing loans and leases | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	17,869	15,664
Accrual loans and leases	17,869	15,664
Non-accruing loans and leases
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	3,975	5,775
Current	13,886	16,523
Non-accrual loans and leases	17,861	22,298
Non-accruing loans and leases | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	465	473
Current	2,352	2,434
Non-accrual loans and leases	2,817	2,907
Non-accruing loans and leases | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	262	1,678
Non-accrual loans and leases	262	1,678
Non-accruing loans and leases | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	391	397
Current	4,111	4,332
Non-accrual loans and leases	4,502	4,729
Non-accruing loans and leases | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	0	2
Non-accrual loans and leases	0	2
Non-accruing loans and leases | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,686	1,359
Current	945	1,252
Non-accrual loans and leases	2,631	2,611
Non-accruing loans and leases | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	792	2,641
Current	5,926	6,495
Non-accrual loans and leases	6,718	9,136
Non-accruing loans and leases | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Current	0	38
Non-accrual loans and leases	0	38
Non-accruing loans and leases | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	250
Current	290	292
Non-accrual loans and leases	290	542
Non-accruing loans and leases | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	641	655
Current	0	0
Non-accrual loans and leases	641	655
30-59 days past due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,011	2,982
30-59 days past due | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	465	0
30-59 days past due | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	234	0
30-59 days past due | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	312	397
30-59 days past due | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	508
30-59 days past due | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	2,077
30-59 days past due | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Accruing loans and leases
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	546	78
30-59 days past due | Accruing loans and leases | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Accruing loans and leases | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	234	0
30-59 days past due | Accruing loans and leases | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	312	0
30-59 days past due | Accruing loans and leases | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Accruing loans and leases | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	78
30-59 days past due | Accruing loans and leases | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Accruing loans and leases | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Accruing loans and leases | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Accruing loans and leases | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Non-accruing loans and leases
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	465	2,904
30-59 days past due | Non-accruing loans and leases | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	465	0
30-59 days past due | Non-accruing loans and leases | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Non-accruing loans and leases | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	397
30-59 days past due | Non-accruing loans and leases | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Non-accruing loans and leases | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	430
30-59 days past due | Non-accruing loans and leases | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	2,077
30-59 days past due | Non-accruing loans and leases | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Non-accruing loans and leases | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
30-59 days past due | Non-accruing loans and leases | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	2,158	507
60-89 days past due | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	473
60-89 days past due | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	354	0
60-89 days past due | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,063	0
60-89 days past due | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	741	34
60-89 days past due | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Accruing loans and leases
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,417	0
60-89 days past due | Accruing loans and leases | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Accruing loans and leases | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	354	0
60-89 days past due | Accruing loans and leases | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	1,063	0
60-89 days past due | Accruing loans and leases | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Accruing loans and leases | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Accruing loans and leases | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Accruing loans and leases | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Accruing loans and leases | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Accruing loans and leases | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Non-accruing loans and leases
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	741	507
60-89 days past due | Non-accruing loans and leases | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	473
60-89 days past due | Non-accruing loans and leases | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Non-accruing loans and leases | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Non-accruing loans and leases | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Non-accruing loans and leases | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	741	34
60-89 days past due | Non-accruing loans and leases | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Non-accruing loans and leases | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Non-accruing loans and leases | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
60-89 days past due | Non-accruing loans and leases | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	2,769	2,364
Greater than 90 days past due | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	391	0
Greater than 90 days past due | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	945	895
Greater than 90 days past due | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	792	564
Greater than 90 days past due | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	250
Greater than 90 days past due | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	641	655
Greater than 90 days past due | Accruing loans and leases
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Accruing loans and leases | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Non-accruing loans and leases
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	2,769	2,364
Greater than 90 days past due | Non-accruing loans and leases | Commercial real estate — owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Non-accruing loans and leases | Commercial real estate — non-owner occupied
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Non-accruing loans and leases | Construction and land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	391	0
Greater than 90 days past due | Non-accruing loans and leases | Multi-family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Non-accruing loans and leases | 1-4 family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	945	895
Greater than 90 days past due | Non-accruing loans and leases | Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	792	564
Greater than 90 days past due | Non-accruing loans and leases | Direct financing leases, net
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	0
Greater than 90 days past due | Non-accruing loans and leases | Home equity and second mortgages
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	0	250
Greater than 90 days past due | Non-accruing loans and leases | Other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total past due	$ 641	$ 655

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Financing Receivable, Recorded Investment, 30 to 59 Days Past Due, Percent of Portfolio

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Financing receivables that are current.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953401-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524

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Recorded Investment in financing receivables that are past due at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953401-111524

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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