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LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Allowance for credit losses, average loans (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 USD ($) borrower | Mar. 31, 2017 USD ($) borrower | Dec. 31, 2017 USD ($)
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES |  |  |
Loans charged off | $ 101,000 | $ 170,000 | $ 566,000
Average loans | $ 273,964,000 | $ 267,494,000 |
Net charge-offs to average loans (annualized) | 0.07% | 0.12% |
Number of borrowers | borrower | 7 | 11 |

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- Definition The Average of Loans and Leases Receivable Net of Deferred Income. + References No definition available. + Details
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- Definition Net Charge Offs to Average Loans and Leases Receivables as a percentage + References No definition available. + Details
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- Definition Represents number of borrowers consumer and indirect loans. + References No definition available. + 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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