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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Stock-based compensation (Details) | 12 Months Ended
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Dec. 31, 2015 USD ($) shares
Restricted Stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares authorized (shares) | 15,000
Age limit for forfeiture of stock award | 65 years
Restricted Stock | Share-based Compensation Award, Vesting Each Year Commencing with First Anniversary Date of Award |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting rights percent | 20.00%
Restricted Stock | Share-based Compensation Award, Vesting on Fifth Anniversary Date |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting rights percent | 100.00%
Incentive Compensation Plan |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares authorized (shares) | 10,000
Cash compensation | $ | $ 300,000
Director | Directors' Compensation Plan |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares authorized (shares) | 20,000
Award requisite service period | 12 months
Trading days period | 30 days
Deferred Compensation, Share-based Payments |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Maximum annual installments period | 10 years

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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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