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LOANS AND ALLOWANCE FOR LOAN LOSSES - Additional Information (Details)	9 Months Ended
	Sep. 30, 2018 USD ($) note
Financing Receivable, Allowance for Credit Losses [Line Items]
Amount of loan on which review have been made annually	$ 500,000
Amount of loan on which reviews require approval	$ 250,000
Loans that are deemed impaired, number of days past due (more than)	90 days
Number of notes split | note	2
Appraisals, required period interval	18 months
Minimum amount on which annual updated appraisals for classified loans is required	$ 250,000
Maximum
Financing Receivable, Allowance for Credit Losses [Line Items]
Percentage of loan-to-value ratio upon loan origination	80.00%
Percentage of loan-to-value ratios of the value of the real estate taken as collateral	90.00%
Percentage of strong loan-to-value	70.00%

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- Definition

Amount of loan on which review have been made annually.

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- Definition

Amount Of Loan On Which Reviews Require Approval

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- Definition

Appraisals, Required Period Interval

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- Definition

Minimum amount on which annual updated appraisals for criticized loans is required.

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- Definition

Maximum number of days of past due assigned as substandard rating.

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Number of notes split.

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- Definition

Percentage of loan to value ratio of value of real estate taken as collateral.

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- Definition

Percentage of loan to value ratio upon loan origination.

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- Definition

Percentage of strong loan to value.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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