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Loans - Schedule of Allowance for Loan Losses and Recorded Investment in Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016
Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | $ 14,148 | $ 14,636 | $ 14,194 | $ 14,747 |  |  |
Charge-offs | (102) | (165) | (272) | (460) |  |  |
Recoveries | 59 | 17 | 183 | 201 |  |  |
Provisions | 0 | 0 | 0 | 0 |  |  |
Allowance for Loan Losses, Ending Balance | 14,105 | 14,488 | 14,105 | 14,488 |  |  |
Allowance for Loan Losses, Ending Balance | 14,148 | 14,636 | 14,194 | 14,747 | $ 14,105 | $ 14,194 | $ 14,488
Allowance for loan losses: Ending balance: individually evaluated for impairment |  |  |  |  | 1,192 | 932 | 167
Allowance for loan losses: Ending balance: collectively evaluated for impairment |  |  |  |  | 12,913 | 13,262 | 14,321
Total Loans Receivable |  |  |  |  | 1,236,370 | 907,910 | 872,023
Loans receivables: Ending balance: individually evaluated for impairment |  |  |  |  | 10,634 | 11,945 | 10,350
Loans Receivable: Ending balance: collectively evaluated for impairment |  |  |  |  | 1,225,736 | 895,965 | 861,673
Commercial and Industrial |  |  |  |  |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 3,246 | 2,557 | 3,055 | 2,508 |  |  |
Charge-offs | (60) | (131) | (129) | (221) |  |  |
Recoveries | 8 | 5 | 17 | 44 |  |  |
Provisions | 73 | (80) | 324 | 20 |  |  |
Allowance for Loan Losses, Ending Balance | 3,267 | 2,351 | 3,267 | 2,351 |  |  |
Allowance for Loan Losses, Ending Balance | 3,246 | 2,557 | 3,055 | 2,508 | 3,267 | 3,055 | 2,351
Allowance for loan losses: Ending balance: individually evaluated for impairment |  |  |  |  | 698 | 599 | 0
Allowance for loan losses: Ending balance: collectively evaluated for impairment |  |  |  |  | 2,569 | 2,456 | 2,351
Total Loans Receivable |  |  |  |  | 169,037 | 140,344 | 122,926
Loans receivables: Ending balance: individually evaluated for impairment |  |  |  |  | 1,743 | 2,126 | 1,249
Loans Receivable: Ending balance: collectively evaluated for impairment |  |  |  |  | 167,294 | 138,218 | 121,677
Commercial Real Estate |  |  |  |  |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 5,210 | 5,433 | 4,968 | 5,216 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 61 | 0 |  |  |
Provisions | 195 | (60) | 376 | 157 |  |  |
Allowance for Loan Losses, Ending Balance | 5,405 | 5,373 | 5,405 | 5,373 |  |  |
Allowance for Loan Losses, Ending Balance | 5,210 | 5,433 | 4,968 | 5,216 | 5,405 | 4,968 | 5,373
Allowance for loan losses: Ending balance: individually evaluated for impairment |  |  |  |  | 117 | 0 | 0
Allowance for loan losses: Ending balance: collectively evaluated for impairment |  |  |  |  | 5,288 | 4,968 | 5,373
Total Loans Receivable |  |  |  |  | 483,673 | 318,980 | 309,161
Loans receivables: Ending balance: individually evaluated for impairment |  |  |  |  | 8,413 | 8,764 | 8,042
Loans Receivable: Ending balance: collectively evaluated for impairment |  |  |  |  | 475,260 | 310,216 | 301,119
Commercial Real Estate Construction |  |  |  |  |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 135 | 134 | 147 | 112 |  |  |
Charge-offs | 0 | 0 | 0 | (135) |  |  |
Recoveries | 40 | 0 | 40 | 132 |  |  |
Provisions | (31) | 11 | (43) | 36 |  |  |
Allowance for Loan Losses, Ending Balance | 144 | 145 | 144 | 145 |  |  |
Allowance for Loan Losses, Ending Balance | 135 | 134 | 147 | 112 | 144 | 147 | 145
Allowance for loan losses: Ending balance: individually evaluated for impairment |  |  |  |  | 0 | 0 | 0
Allowance for loan losses: Ending balance: collectively evaluated for impairment |  |  |  |  | 144 | 147 | 145
Total Loans Receivable |  |  |  |  | 39,779 | 15,271 | 13,243
Loans receivables: Ending balance: individually evaluated for impairment |  |  |  |  | 0 | 300 | 300
Loans Receivable: Ending balance: collectively evaluated for impairment |  |  |  |  | 39,779 | 14,971 | 12,943
Residential Mortgage |  |  |  |  |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 3,368 | 3,311 | 3,478 | 3,349 |  |  |
Charge-offs | (15) | (6) | (32) | (45) |  |  |
Recoveries | 10 | 8 | 52 | 14 |  |  |
Provisions | (101) | (46) | (236) | (51) |  |  |
Allowance for Loan Losses, Ending Balance | 3,262 | 3,267 | 3,262 | 3,267 |  |  |
Allowance for Loan Losses, Ending Balance | 3,368 | 3,311 | 3,478 | 3,349 | 3,262 | 3,478 | 3,267
Allowance for loan losses: Ending balance: individually evaluated for impairment |  |  |  |  | 377 | 333 | 167
Allowance for loan losses: Ending balance: collectively evaluated for impairment |  |  |  |  | 2,885 | 3,145 | 3,100
Total Loans Receivable |  |  |  |  | 421,732 | 348,539 | 346,422
Loans receivables: Ending balance: individually evaluated for impairment |  |  |  |  | 478 | 755 | 759
Loans Receivable: Ending balance: collectively evaluated for impairment |  |  |  |  | 421,254 | 347,784 | 345,663
Home Equity Lines of Credit |  |  |  |  |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 607 | 607 | 648 | 619 |  |  |
Charge-offs | (9) | 0 | (9) | (9) |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provisions | 29 | 2 | (12) | (1) |  |  |
Allowance for Loan Losses, Ending Balance | 627 | 609 | 627 | 609 |  |  |
Allowance for Loan Losses, Ending Balance | 607 | 607 | 648 | 619 | 627 | 648 | 609
Allowance for loan losses: Ending balance: individually evaluated for impairment |  |  |  |  | 0 | 0 | 0
Allowance for loan losses: Ending balance: collectively evaluated for impairment |  |  |  |  | 627 | 648 | 609
Total Loans Receivable |  |  |  |  | 105,113 | 70,072 | 65,689
Loans receivables: Ending balance: individually evaluated for impairment |  |  |  |  | 0 | 0 | 0
Loans Receivable: Ending balance: collectively evaluated for impairment |  |  |  |  | 105,113 | 70,072 | 65,689
Consumer |  |  |  |  |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 815 | 952 | 923 | 1,083 |  |  |
Charge-offs | (18) | (28) | (102) | (50) |  |  |
Recoveries | 1 | 4 | 13 | 11 |  |  |
Provisions | 12 | (11) | (24) | (127) |  |  |
Allowance for Loan Losses, Ending Balance | 810 | 917 | 810 | 917 |  |  |
Allowance for Loan Losses, Ending Balance | 815 | 952 | 923 | 1,083 | 810 | 923 | 917
Allowance for loan losses: Ending balance: individually evaluated for impairment |  |  |  |  | 0 | 0 | 0
Allowance for loan losses: Ending balance: collectively evaluated for impairment |  |  |  |  | 810 | 923 | 917
Total Loans Receivable |  |  |  |  | 17,036 | 14,704 | 14,582
Loans receivables: Ending balance: individually evaluated for impairment |  |  |  |  | 0 | 0 | 0
Loans Receivable: Ending balance: collectively evaluated for impairment |  |  |  |  | 17,036 | 14,704 | 14,582
Unallocated |  |  |  |  |  |  |
Allowance for Loan Losses [Roll Forward] |  |  |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 767 | 1,642 | 975 | 1,860 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provisions | (177) | 184 | (385) | (34) |  |  |
Allowance for Loan Losses, Ending Balance | 590 | 1,826 | 590 | 1,826 |  |  |
Allowance for Loan Losses, Ending Balance | $ 767 | $ 1,642 | $ 975 | $ 1,860 | 590 | 975 | 1,826
Allowance for loan losses: Ending balance: individually evaluated for impairment |  |  |  |  | 0 | 0 | 0
Allowance for loan losses: Ending balance: collectively evaluated for impairment |  |  |  |  | 590 | 975 | 1,826
Total Loans Receivable |  |  |  |  | 0 | 0 | 0
Loans receivables: Ending balance: individually evaluated for impairment |  |  |  |  | 0 | 0 | 0
Loans Receivable: Ending balance: collectively evaluated for impairment |  |  |  |  | $ 0 | $ 0 | $ 0

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- Definition Allowance for Loan Losses [Roll Forward] + References No definition available. + Details
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + 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)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + 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 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + 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 + Details
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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 The balance of financing receivables that were collectively evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes 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 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
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