Loans and the Allowance for Loan Losses (Details) - Schedule of analysis of impaired loans, by class - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
No related allowance recorded, Recorded Investment	$ 75,748		$ 83,531
No related allowance recorded, Unpaid Principal Balance	136,583		135,146
Impaired loans with No Related Allowance Average Recorded Investment	89,313	$ 24,648
Impaired loans with No Related Allowance Interest Income Recognized	351	198
With an allowance recorded, Recorded Investment	3,793
With an allowance recorded, Unpaid Principal Balance	3,793
With an allowance recorded, Related Allowance	147
Impaired loans With An Allowance Recorded Average Recorded Investment	3,778	783
Impaired loans With An Allowance Recorded Interest Income Recognized	54	5
Total, Recorded Investment	79,541		84,664
Total, Unpaid Principal Balance	140,376		136,279
Total, Related Allowance	147		39
Total Impaired Loans Average Recorded Investment	93,091	25,431
Total Impaired Loans Interest Income Recognized	405	203
Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
No related allowance recorded, Recorded Investment	32,100		49,761
No related allowance recorded, Unpaid Principal Balance	92,584		101,066
Impaired loans with No Related Allowance Average Recorded Investment	45,607	2,884
Impaired loans with No Related Allowance Interest Income Recognized	31	39
Total, Recorded Investment	32,100		49,761
Total, Unpaid Principal Balance	92,584		101,066
Total, Related Allowance
Total Impaired Loans Average Recorded Investment	45,607	2,884
Total Impaired Loans Interest Income Recognized	31	39
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
No related allowance recorded, Recorded Investment	34,911		23,905
No related allowance recorded, Unpaid Principal Balance	35,008		23,976
Impaired loans with No Related Allowance Average Recorded Investment	35,010	16,450
Impaired loans with No Related Allowance Interest Income Recognized	243	106
With an allowance recorded, Recorded Investment	1,124		1,133
With an allowance recorded, Unpaid Principal Balance	1,124		1,133
With an allowance recorded, Related Allowance	32		39
Impaired loans With An Allowance Recorded Average Recorded Investment	1,129
Impaired loans With An Allowance Recorded Interest Income Recognized	12
Total, Recorded Investment	36,035		25,038
Total, Unpaid Principal Balance	36,132		25,109
Total, Related Allowance	32		39
Total Impaired Loans Average Recorded Investment	36,139	17,233
Total Impaired Loans Interest Income Recognized	255	11
Commercial Construction Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
No related allowance recorded, Recorded Investment	6,134		6,662
No related allowance recorded, Unpaid Principal Balance	6,134		6,662
Impaired loans with No Related Allowance Average Recorded Investment	6,083	4,269
Impaired loans with No Related Allowance Interest Income Recognized	77	50
With an allowance recorded, Recorded Investment	2,669
With an allowance recorded, Unpaid Principal Balance	2,669
With an allowance recorded, Related Allowance	115
Impaired loans With An Allowance Recorded Average Recorded Investment	2,649	783
Impaired loans With An Allowance Recorded Interest Income Recognized	42	5
Total, Recorded Investment	8,803		6,662
Total, Unpaid Principal Balance	8,803		6,662
Total, Related Allowance	115
Total Impaired Loans Average Recorded Investment	8,732	4,269
Total Impaired Loans Interest Income Recognized	119	50
Residential Real Estate Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
No related allowance recorded, Recorded Investment	2,603		3,203
No related allowance recorded, Unpaid Principal Balance	2,857		3,442
Impaired loans with No Related Allowance Average Recorded Investment	2,613	986
Impaired loans with No Related Allowance Interest Income Recognized		2
Total, Recorded Investment	2,603		3,203
Total, Unpaid Principal Balance	2,857		3,442
Total, Related Allowance
Total Impaired Loans Average Recorded Investment	2,613	986
Total Impaired Loans Interest Income Recognized		2
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
No related allowance recorded, Recorded Investment
No related allowance recorded, Unpaid Principal Balance
Impaired loans with No Related Allowance Average Recorded Investment		59
Impaired loans with No Related Allowance Interest Income Recognized		1
Total, Recorded Investment
Total, Unpaid Principal Balance
Total, Related Allowance
Total Impaired Loans Average Recorded Investment		59
Total Impaired Loans Interest Income Recognized		$ 1