Loans and the Allowance for Loan Losses (Details) - Schedule of allowance for loan losses - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance	$ 33,594	$ 28,401	$ 31,748	$ 25,744
Charge-offs	(6)	(1)	(17,091)	(83)
Recoveries	61	20	92	209
Provision for loan losses	1,100	1,450	20,000	4,000
Balance	34,749	29,870	34,749	29,870
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance	8,960	7,238	8,232	6,632
Charge-offs			(17,066)
Recoveries	56	17	87	158
Provision for loan losses	933	461	18,695	926
Balance	9,949	7,716	9,949	7,716
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance	18,221	15,389	17,111	12,583
Charge-offs				(71)
Recoveries		2		50
Provision for loan losses	7	1,443	1,116	4,272
Balance	18,228	16,834	18,228	16,834
Commercial Construction Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance	4,812	4,241	4,747	4,789
Charge-offs
Recoveries
Provision for loan losses	(22)	(301)	43	(849)
Balance	4,790	3,940	4,790	3,940
Residential Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance	1,167	985	1,051	958
Charge-offs			(18)
Recoveries
Provision for loan losses	48	67	183	94
Balance	1,215	1,052	1,215	1,052
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance	3	2	2	3
Charge-offs	(6)	(1)	(7)	(12)
Recoveries	5	1	5	1
Provision for loan losses	1		4	10
Balance	3	2	3	2
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance	431	546	605	779
Charge-offs
Recoveries
Provision for loan losses	133	(220)	(41)	(453)
Balance	$ 564	$ 326	$ 564	$ 326