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Loans and the Allowance for Loan Losses (Details) - Schedule of allowance for loan losses - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  |  |  |  |  | $ 25,744 | $ 26,572 | $ 14,160
Loans charged-off |  |  |  |  |  |  |  |  | (239) | (39,573) | (538)
Recoveries |  |  |  |  |  |  |  |  | 243 | 45 | 345
Provision for loan losses | $ 2,000 | $ 1,450 | $ 1,450 | $ 1,100 | $ 25,200 | $ 6,750 | $ 3,750 | $ 3,000 | 6,000 | 38,700 | 12,605
Balance | 31,748 |  |  |  | 25,744 |  |  |  | 31,748 | 25,744 | 26,572
Commercial Portfolio Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  |  |  |  |  | 6,632 | 10,949 | 3,083
Loans charged-off |  |  |  |  |  |  |  |  | (70) | (39,343) | (101)
Recoveries |  |  |  |  |  |  |  |  | 178 | 4 | 13
Provision for loan losses |  |  |  |  |  |  |  |  | 1,493 | 35,022 | 7,954
Balance | 8,233 |  |  |  | 6,632 |  |  |  | 8,233 | 6,632 | 10,949
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  |  |  |  |  | 12,583 | 10,926 | 7,799
Loans charged-off |  |  |  |  |  |  |  |  | (155) | (107) | (406)
Recoveries |  |  |  |  |  |  |  |  | 51 | 35 | 327
Provision for loan losses |  |  |  |  |  |  |  |  | 4,633 | 1,729 | 3,206
Balance | 17,112 |  |  |  | 12,583 |  |  |  | 17,112 | 12,583 | 10,926
Construction Loans [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  |  |  |  |  | 4,789 | 3,253 | 1,239
Loans charged-off |  |  |  |  |  |  |  |  |  |  |
Recoveries |  |  |  |  |  |  |  |  |  |  |
Provision for loan losses |  |  |  |  |  |  |  |  | (42) | 1,536 | 2,014
Balance | 4,747 |  |  |  | 4,789 |  |  |  | 4,747 | 4,789 | 3,253
Residential Portfolio Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  |  |  |  |  | 958 | 976 | 1,113
Loans charged-off |  |  |  |  |  |  |  |  |  | (94) |
Recoveries |  |  |  |  |  |  |  |  | 12 | 3 | 2
Provision for loan losses |  |  |  |  |  |  |  |  | 80 | 73 | (139)
Balance | 1,050 |  |  |  | 958 |  |  |  | 1,050 | 958 | 976
Consumer Portfolio Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  |  |  |  |  | 3 | 4 | 7
Loans charged-off |  |  |  |  |  |  |  |  | (14) | (29) | (31)
Recoveries |  |  |  |  |  |  |  |  | 2 | 3 | 3
Provision for loan losses |  |  |  |  |  |  |  |  | 10 | 25 | 25
Balance | 1 |  |  |  | 3 |  |  |  | 1 | 3 | 4
Unallocated Financing Receivables [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  |  |  |  |  |  | 799 | 464 | 919
Loans charged-off |  |  |  |  |  |  |  |  |  |  |
Recoveries |  |  |  |  |  |  |  |  |  |  |
Provision for loan losses |  |  |  |  |  |  |  |  | (174) | 315 | (455)
Balance | $ 605 |  |  |  | $ 799 |  |  |  | $ 605 | $ 799 | $ 464

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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
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