RETIREMENT PLANS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Plan net assets:
Balance at end of year	$ 12,998,000
Pension plan assets
Fair value of plan assets	12,998,000
Weighted-average asset allocations (as a percent)	100.00%	100.00%
Level 1
Plan net assets:
Balance at end of year	11,610,000
Pension plan assets
Fair value of plan assets	11,610,000
Level 2
Plan net assets:
Balance at end of year	1,388,000
Pension plan assets
Fair value of plan assets	1,388,000
Cash, cash equivalents, money markets and other
Plan net assets:
Balance at end of year	10,008,000
Pension plan assets
Fair value of plan assets	10,008,000
Weighted-average asset allocations (as a percent)	77.00%	78.70%
Cash, cash equivalents, money markets and other | Level 1
Plan net assets:
Balance at end of year	9,331,000
Pension plan assets
Fair value of plan assets	9,331,000
Equity securities
Plan net assets:
Balance at end of year	1,438,000
Pension plan assets
Fair value of plan assets	1,438,000
Weighted-average asset allocations (as a percent)	11.10%	9.20%
Equity securities | Level 1
Plan net assets:
Balance at end of year	1,438,000
Pension plan assets
Fair value of plan assets	1,438,000
Fixed income securities
Plan net assets:
Balance at end of year	1,552,000
Pension plan assets
Fair value of plan assets	1,552,000
Weighted-average asset allocations (as a percent)	11.90%	12.10%
Fixed income securities | Level 1
Plan net assets:
Balance at end of year	841,000
Pension plan assets
Fair value of plan assets	841,000
Fixed income securities | Level 2
Plan net assets:
Balance at end of year	1,388,000
Pension plan assets
Fair value of plan assets	1,388,000
Pension plans for GT&T employees
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%	6.00%	6.25%
Annual salary increase (as a percent)	7.50%	7.50%	7.50%
Expected long-term return on plan assets (as a percent)	7.00%	8.00%	8.00%
Projected benefit obligations:
Balance at beginning of year	11,660,000	13,355,000
Service cost	543,000	612,000	617,000
Interest cost	665,000	810,000	865,000
Benefits and settlements paid	(1,444,000)	(674,000)
Actuarial (loss) gain	1,127,000	(2,443,000)
Exchange rate adjustment	(314,000)
Balance at end of year	12,237,000	11,660,000	13,355,000
Plan net assets:
Balance at beginning of year	12,932,000	11,994,000
Actual return on plan assets	657,000	759,000
Company contributions	854,000	853,000
Benefits and settlements paid	(1,444,000)	(674,000)
Exchange rate adjustment	(326,000)
Balance at end of year	12,673,000	12,932,000	11,994,000
Funded status of plan
Over funded status of plan	436,000	1,272,000
Pension plan assets
Fair value of plan assets	12,673,000	12,932,000	11,994,000
Amounts recognized on the consolidated balance sheets
Other assets	436,000	1,272,000
Accumulated other comprehensive loss, net of tax	(1,949,000)	(1,318,000)
Amounts recognized in accumulated other comprehensive loss
Net actuarial loss	(2,154,000)	(2,918,000)
Accumulated other comprehensive loss, pre-tax	(2,154,000)	(2,918,000)
Accumulated other comprehensive loss, net of tax	1,949,000	1,318,000
Components of the plan's net periodic pension cost
Service cost	543,000	612,000	617,000
Interest cost	665,000	810,000	865,000
Expected return on plan assets	(949,000)	(972,000)	(961,000)
Amortization of unrecognized net actuarial loss	150,000	242,000	229,000
Amortization of prior service costs			11,000
Net periodic pension cost	409,000	692,000	761,000
Additional disclosure
Expected contribution in 2014	518,000
Estimated Pension Benefits
2014	355,000
2015	492,000
2016	534,000
2017	562,000
2018	730,000
2019-2023	4,401,000
Total	$ 7,074,000
Pension plans for GT&T employees | Minimum
Funded status of plan
Percentage of plan assets to be invested within Guyana	70.00%
Pension plans for GT&T employees | Maximum
Funded status of plan
Percentage of plan assets to be invested within Guyana	80.00%