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Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Allowance for loan losses:
Beginning Balance	$ 19,006	$ 17,461
Charge-offs	345	(25)
Recoveries	205	1,424
Provision (release)	450	(722)
Ending Balance	19,316	18,188
Ending balance: Individually evaluated for impairment	222	588
Ending balance: Collectively evaluated for impairment	19,094	17,600
Loans:
Ending balance	1,903,146	1,601,812	$ 1,897,027
Ending balance	1,903,146
Ending balance: Individually evaluated for impairment	19,823	17,230
Ending balance: Collectively evaluated for impairment	1,872,472	1,584,582
Ending balance: Acquired and accounted for ASC 310-30	10,851
Commercial Portfolio Segment [Member]
Allowance for loan losses:
Beginning Balance	2,832	2,453
Charge-offs	12	16
Recoveries	30	17
Provision (release)	202	150
Ending Balance	3,052	2,604
Ending balance: Collectively evaluated for impairment	3,052	2,604
Loans:
Ending balance	324,450	281,134	314,323
Ending balance	324,450
Ending balance: Collectively evaluated for impairment	324,450	281,134
Finance Leases Financing Receivable [Member]
Allowance for loan losses:
Beginning Balance	734	692
Charge-offs		5
Provision (release)	71	(70)
Ending Balance	805	617
Ending balance: Collectively evaluated for impairment	805	617
Loans:
Ending balance	87,730	66,344	78,806
Ending balance	87,730
Ending balance: Individually evaluated for impairment	114
Ending balance: Collectively evaluated for impairment	87,616	66,344
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses:
Beginning Balance	10,470	9,522
Charge-offs	231	(96)
Recoveries	23	367
Provision (release)	(242)	(420)
Ending Balance	10,020	9,565
Ending balance: Individually evaluated for impairment	93	503
Ending balance: Collectively evaluated for impairment	9,927	9,062
Loans:
Ending balance		713,422
Ending balance	840,006
Ending balance: Individually evaluated for impairment	9,004	4,740
Ending balance: Collectively evaluated for impairment	826,900	708,682
Ending balance: Acquired and accounted for ASC 310-30	4,102
Residential Portfolio Segment [Member]
Allowance for loan losses:
Beginning Balance	1,931	1,846
Charge-offs	18	(60)
Recoveries	50	911
Provision (release)	(7)	(963)
Ending Balance	1,956	1,854
Ending balance: Individually evaluated for impairment	46	85
Ending balance: Collectively evaluated for impairment	1,910	1,769
Loans:
Ending balance		309,376
Ending balance	405,905
Ending balance: Individually evaluated for impairment	8,190	10,008
Ending balance: Collectively evaluated for impairment	391,676	299,368
Ending balance: Acquired and accounted for ASC 310-30	6,039
Consumer Portfolio Segment [Member]
Allowance for loan losses:
Beginning Balance	1,449	1,446
Charge-offs		27
Recoveries	46	47
Provision (release)	(170)	69
Ending Balance	1,325	1,535
Ending balance: Individually evaluated for impairment	71
Ending balance: Collectively evaluated for impairment	1,254	1,535
Loans:
Ending balance		129,234
Ending balance	133,859
Ending balance: Individually evaluated for impairment	2,384	2,268
Ending balance: Collectively evaluated for impairment	131,475	126,966
Unallocated Financing Receivables [Member]
Allowance for loan losses:
Beginning Balance	621	579
Charge-offs	84	99
Recoveries	57	79
Provision (release)	764	311
Ending Balance	1,358	870
Ending balance: Individually evaluated for impairment	12
Ending balance: Collectively evaluated for impairment	1,346	870
Loans:
Ending balance	15,699	10,823	$ 16,092
Ending balance	15,699
Ending balance: Individually evaluated for impairment	28	17
Ending balance: Collectively evaluated for impairment	15,671	10,806
Construction Loans | Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses:
Beginning Balance	969	923
Charge-offs		(16)
Recoveries		3
Recoveries, net	(1)
Provision (release)	(168)	201
Ending Balance	800	1,143
Ending balance: Collectively evaluated for impairment	800	1,143
Loans:
Ending balance		91,479
Ending balance	95,497
Ending balance: Individually evaluated for impairment	103	197
Ending balance: Collectively evaluated for impairment	94,684	$ 91,282
Ending balance: Acquired and accounted for ASC 310-30	$ 710

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Amount of recovery of loans and lease receivable, net of adjustments.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans and purchased credit impaired loans. Excludes loans and leases covered under loss sharing agreements.

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Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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