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Loans and the Allowance for Loan Losses (Details) - Schedule of analysis of impaired loans, by class - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Financing Receivable, Impaired [Line Items] |  |  |
No related allowance recorded, Recorded Investment | $ 83,531 | $ 29,747 | $ 22,317
No related allowance recorded, Unpaid Principal Balance | 135,146 | 30,377 | 23,713
No Related Allowance Average Recorded Investment | 43,415 | 29,872 | 12,002
No Related Allowance Interest Income Recognized | 1,068 | 416 | 75
Total, Recorded Investment | 84,664 | 30,991 | 107,104
Total, Unpaid Principal Balance | 136,279 | 31,621 | 108,162
Total, Related Allowance | 39 | 415 | 6,725
Total Impaired Average Recorded Investment | 44,567 | 31,146 | 67,447
Total Impaired Interest Income Recognized | 1,119 | 416 | 1,970
Commercial Portfolio Segment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
No related allowance recorded, Recorded Investment | 49,761 | 3,637 | 610
No related allowance recorded, Unpaid Principal Balance | 101,066 | 4,063 | 645
No Related Allowance Average Recorded Investment | 10,552 | 4,052 | 686
No Related Allowance Interest Income Recognized | 161 | 64 |
With an allowance recorded, Recorded Investment | 1,133 | 1,244 | 84,787
With an allowance recorded, Unpaid Principal Balance | 1,133 | 1,244 | 84,449
With an allowance recorded, Related Allowance | 39 | 145 | 6,725
With An Allowance Recorded Average Recorded Investment | 1,152 | 1,274 | 55,445
With An Allowance Recorded Interest Income Recognized | 51 |  | 1,895
Total, Recorded Investment | 49,761 | 3,637 | 85,397
Total, Unpaid Principal Balance | 101,066 | 4,063 | 85,094
Total, Related Allowance |  |  | 6,725
Total Impaired Average Recorded Investment | 10,765 | 4,052 | 56,131
Total Impaired Interest Income Recognized | 161 | 64 | 1,895
Commercial Real Estate Portfolio Segment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
No related allowance recorded, Recorded Investment | 23,905 | 18,288 | 15,517
No related allowance recorded, Unpaid Principal Balance | 23,976 | 18,288 | 16,512
No Related Allowance Average Recorded Investment | 24,099 | 18,532 | 6,363
No Related Allowance Interest Income Recognized | 585 | 250 | 60
Total, Recorded Investment | 25,038 | 19,532 | 15,517
Total, Unpaid Principal Balance | 25,109 | 19,532 | 16,512
Total, Related Allowance | 39 | 145 |
Total Impaired Average Recorded Investment | 25,251 | 19,806 | 6,363
Total Impaired Interest Income Recognized | 636 | 250 | 60
Construction Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
No related allowance recorded, Recorded Investment | 6,662 | 5,909 | 2,149
No related allowance recorded, Unpaid Principal Balance | 6,662 | 5,909 | 2,141
No Related Allowance Average Recorded Investment | 5,509 | 5,308 | 1,535
No Related Allowance Interest Income Recognized | 322 | 79 |
Total, Recorded Investment | 6,662 | 5,909 | 2,149
Total, Unpaid Principal Balance | 6,662 | 5,909 | 2,141
Total, Related Allowance |  |  |
Total Impaired Average Recorded Investment | 5,509 | 5,308 | 1,535
Total Impaired Interest Income Recognized | 322 | 79 |
Residential Portfolio Segment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
No related allowance recorded, Recorded Investment | 3,203 | 1,851 | 3,954
No related allowance recorded, Unpaid Principal Balance | 3,442 | 2,055 | 4,329
No Related Allowance Average Recorded Investment | 3,255 | 1,908 | 3,322
No Related Allowance Interest Income Recognized |  | 19 | 10
Total, Recorded Investment | 3,203 | 1,851 | 3,954
Total, Unpaid Principal Balance | 3,442 | 2,055 | 4,329
Total, Related Allowance |  |  |
Total Impaired Average Recorded Investment | 3,255 | 1,908 | 3,322
Total Impaired Interest Income Recognized |  | 19 | 10
Consumer Portfolio Segment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
No related allowance recorded, Recorded Investment |  | 62 | 87
No related allowance recorded, Unpaid Principal Balance |  | 62 | 86
No Related Allowance Average Recorded Investment |  | 72 | 96
No Related Allowance Interest Income Recognized |  | 4 | 5
Total, Recorded Investment |  | 62 | 87
Total, Unpaid Principal Balance |  | 62 | 86
Total, Related Allowance |  |  |
Total Impaired Average Recorded Investment |  | 72 | 96
Total Impaired Interest Income Recognized |  | $ 4 | $ 5

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