Loans and Leases - Risk Ratings for Each Loan Portfolio Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	$ 547,087	$ 499,103	$ 447,647
Commercial real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	239,776	225,679	206,139
Construction and land development [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	65,385	47,984	33,786
Commercial and industrial [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	97,270	85,980	83,825
Multi-family [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	21,010	16,249	16,172
Residential real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	50,104	51,588	42,166
Leases [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	66,898	64,341	58,090
Tax certificates [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	4,390	4,755	4,804
Consumer [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	2,254	2,527	$ 2,665
Pass [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	442,487	400,393
Pass [Member] | Commercial real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	210,706	191,320
Pass [Member] | Construction and land development [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	10,234	4,429
Pass [Member] | Commercial and industrial [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	85,324	68,998
Pass [Member] | Multi-family [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	17,012	15,982
Pass [Member] | Residential real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	49,405	50,699
Pass [Member] | Leases [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	64,383	62,896
Pass [Member] | Tax certificates [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	3,280	3,630
Pass [Member] | Consumer [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	2,143	2,439
Pass Watch [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	97,036	90,049
Pass Watch [Member] | Commercial real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	27,813	31,994
Pass Watch [Member] | Construction and land development [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	55,006	43,410
Pass Watch [Member] | Commercial and industrial [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	9,199	13,971
Pass Watch [Member] | Multi-family [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	3,998	267
Pass Watch [Member] | Residential real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	108
Pass Watch [Member] | Leases [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	801	319
Pass Watch [Member] | Consumer [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	111	88
Special Mention [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	894	1,104
Special Mention [Member] | Commercial real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	349	870
Special Mention [Member] | Commercial and industrial [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	116	195
Special Mention [Member] | Leases [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	429	39
Substandard [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	1,869	2,065
Substandard [Member] | Commercial and industrial [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	1,869	2,065
Nonperforming Financing Receivable [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	4,801	5,492
Nonperforming Financing Receivable [Member] | Commercial real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	908	1,495
Nonperforming Financing Receivable [Member] | Construction and land development [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	145	145
Nonperforming Financing Receivable [Member] | Commercial and industrial [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	762	751
Nonperforming Financing Receivable [Member] | Residential real estate [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	591	889
Nonperforming Financing Receivable [Member] | Leases [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	1,285	1,087
Nonperforming Financing Receivable [Member] | Tax certificates [Member]
Risk Ratings for Each Loan Portfolio Segment [Abstract]
Total LHFI, net of unearned income	$ 1,110	$ 1,125