RETIREMENT PLANS (Details) (Pension plans for GT&T employees, USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Retirement plans
Employment period or credited service period for which participants' average salary or hourly wages is used as a base to calculate benefits	3 years
Weighted-average rates assumed in the actuarial calculations for the pension plan
Discount rate (as a percent)	5.75%	5.75%	6.00%
Annual salary increase (as a percent)	6.50%	7.50%	7.50%
Expected long-term return on plan assets (as a percent)	7.00%	7.00%	8.00%
Projected benefit obligations:
Balance at beginning of year	$ 12,237,000	$ 11,660,000
Service cost	612,000us-gaap_DefinedBenefitPlanServiceCost	543,000us-gaap_DefinedBenefitPlanServiceCost	612,000us-gaap_DefinedBenefitPlanServiceCost
Interest cost	720,000us-gaap_DefinedBenefitPlanInterestCost	665,000us-gaap_DefinedBenefitPlanInterestCost	810,000us-gaap_DefinedBenefitPlanInterestCost
Benefits and settlements paid	(623,000)	(1,444,000)
Actuarial (loss) gain	1,129,000	1,127,000
Exchange rate adjustment	18,000	(314,000)
Balance at end of year	14,093,000	12,237,000	11,660,000
Plan net assets:
Balance at beginning of year	12,673,000	12,932,000
Actual return on plan assets	267,000	657,000
Company contributions	832,000	854,000
Benefits and settlements paid	(623,000)	(1,444,000)
Exchange rate adjustment	16,000	(326,000)
Balance at end of year	13,165,000	12,673,000	12,932,000
Funded status of plan
Over (under) funded status of plan	(928,000)	436,000
Pension plan assets
Fair value of plan assets	13,165,000	12,673,000	12,932,000
Weighted-average asset allocations (as a percent)	100.00%	100.00%
Amounts recognized on the consolidated balance sheets
Other assets		436,000
Other Liabilities	928,000
Accumulated other comprehensive loss, net of tax	(2,672,000)	(1,949,000)
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	(3,148,000)	(2,154,000)
Accumulated Other Comprehensive Income (Loss), before Tax, Total	(3,148,000)	(2,154,000)
Accumulated other comprehensive loss, net of tax	(2,672,000)	(1,949,000)
Components of the plan's net periodic pension cost
Service cost	612,000us-gaap_DefinedBenefitPlanServiceCost	543,000us-gaap_DefinedBenefitPlanServiceCost	612,000us-gaap_DefinedBenefitPlanServiceCost
Interest cost	720,000us-gaap_DefinedBenefitPlanInterestCost	665,000us-gaap_DefinedBenefitPlanInterestCost	810,000us-gaap_DefinedBenefitPlanInterestCost
Expected return on plan assets	(848,000)	(949,000)	(972,000)
Amortization of unrecognized net actuarial loss	218,000	150,000	242,000
Net periodic pension cost	702,000	409,000	692,000
Additional disclosure
Expected contribution in 2015	543,000
Estimated Pension Benefits
2015	565,000
2016	629,000
2017	634,000
2018	761,000
2019	677,000
2020-2024	4,865,000
Total	8,131,000
Minimum
Funded status of plan
Percentage of plan assets to be invested within Guyana	70.00%
Maximum
Funded status of plan
Percentage of plan assets to be invested within Guyana	80.00%
Level 1
Plan net assets:
Balance at end of year	12,417,000
Pension plan assets
Fair value of plan assets	12,417,000
Level 2
Plan net assets:
Balance at end of year	748,000
Pension plan assets
Fair value of plan assets	748,000
Cash, cash equivalents, money markets and other
Plan net assets:
Balance at end of year	10,532,000
Pension plan assets
Fair value of plan assets	10,532,000
Weighted-average asset allocations (as a percent)	80.00%	77.00%
Cash, cash equivalents, money markets and other \| Level 1
Plan net assets:
Balance at end of year	9,784,000
Pension plan assets
Fair value of plan assets	9,784,000
Cash, cash equivalents, money markets and other \| Level 2
Plan net assets:
Balance at end of year	748,000
Pension plan assets
Fair value of plan assets	748,000
Equity securities
Plan net assets:
Balance at end of year	1,711,000
Pension plan assets
Fair value of plan assets	1,711,000
Weighted-average asset allocations (as a percent)	13.00%	11.10%
Equity securities \| Level 1
Plan net assets:
Balance at end of year	1,711,000
Pension plan assets
Fair value of plan assets	1,711,000
Fixed income securities
Plan net assets:
Balance at end of year	922,000
Pension plan assets
Fair value of plan assets	922,000
Weighted-average asset allocations (as a percent)	7.00%	11.90%
Fixed income securities \| Level 1
Plan net assets:
Balance at end of year	922,000
Pension plan assets
Fair value of plan assets	$ 922,000

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Represents the interest rate used to adjust for the time value of money used under actuarial calculations for the pension plans.

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Represents the expected rate of compensation increases used under actuarial calculations for the pension plans.

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Represents the amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes the amount of decrease that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement.

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Represents the amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes the amount that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement.

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The amount of the total benefits expected to be paid.

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Represents the percentage of plan assets to be invested within country other than country of domicile of the entity.

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Represents the employment period or credited service period for which participants' average salary or hourly wages is used as a base to calculate benefits under defined benefit pension plan or an other postretirement defined benefit plan.

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The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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The pretax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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The pretax net amount of gains and losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise. Gains and losses are due to changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

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The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

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Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

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The amount of gains or losses recognized in net periodic benefit cost.

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The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan.

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An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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The increase in the fair value of plan assets from contributions made by the employer.

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Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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Amount of gain (loss) from foreign currency exchange rate changes for benefit obligation for plans of a foreign operation whose functional currency is not the reporting currency.

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The amount of increase or decrease in plan assets attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency.

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Service Cost (Component of Net Periodic Pension Cost)

-URI http://asc.fasb.org/extlink&oid=6525008

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-Section 50

-Paragraph 1

-Subparagraph (a)(1)

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ References

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Period Type:	duration

- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

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- Definition

This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.24)

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-Section 45

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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