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LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Major Categories of Loans (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 283,889 | $ 299,120
Less: Allowance for loan losses | (2,307) | (2,541)
Loans, net | $ 281,582 | $ 296,579
Loans and lease receivable allowances, percentage | 100.00% | 100.00%
Increase (decrease) in loans and leases receivable | $ 15,000 |
Percentage of increase (decrease) in loans and leases receivable | 5.06% |
Consumer |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 12,369 | $ 13,071
Loans and lease receivable allowances, percentage | 4.00% | 4.00%
Increase (decrease) in loans and leases receivable | $ 700 |
Percentage of increase (decrease) in loans and leases receivable | 5.37% |
Residential Real estate |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 80,211 | $ 82,637
Loans and lease receivable allowances, percentage | 28.00% | 28.00%
Increase (decrease) in loans and leases receivable | $ 2,400 | $ 82,600
Percentage of increase (decrease) in loans and leases receivable | 2.94% |
Indirect |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 106,088 | $ 116,698
Loans and lease receivable allowances, percentage | 38.00% | 39.00%
Increase (decrease) in loans and leases receivable | $ 10,600 | $ 116,700
Percentage of increase (decrease) in loans and leases receivable | 9.09% |
Commercial |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 11,350 | $ 14,284
Loans and lease receivable allowances, percentage | 4.00% | 5.00%
Increase (decrease) in loans and leases receivable | $ 2,900 |
Percentage of increase (decrease) in loans and leases receivable | 20.54% |
Construction |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 3,161 | $ 2,317
Loans and lease receivable allowances, percentage | 1.00% | 1.00%
Increase (decrease) in loans and leases receivable | $ 800 |
Percentage of increase (decrease) in loans and leases receivable | 36.40% |
Commercial Real Estate |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Loans, net of deferred fees and costs | $ 70,710 | $ 70,113
Loans and lease receivable allowances, percentage | 25.00% | 23.00%
Increase (decrease) in loans and leases receivable | $ 600 |
Percentage of increase (decrease) in loans and leases receivable | 0.85% |

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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://fasb.org/us-gaap/role/ref/legacyRef -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 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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=118939070&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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