RETIREMENT FUND AND PROFIT SHARING PLAN (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Contribution Plan Disclosure [Line Items]
Employer match of the first 1% of compensation contributed by participants	100.00%
Percentage of participant contribution under condition one	1.00%
Employer match of the next 5% compensation contributed by participants, percentage	50.00%
Percentage of employee deferrals under condition two	5.00%
Maximum employee deferral contribution under Asia Retirement Fund, percentage	5.00%
Minimum employer matching contribution, percentage	5.00%
Employer matching contribution, percentage	7.00%
Amounts recognized in accumulated other comprehensive loss, pretax:
Total amounts recognized in accumulated other comprehensive loss	$ 3,005	$ 3,026	$ 1,541
Common Class A [Member]
Defined Contribution Plan Disclosure [Line Items]
Shares owned by plan (in shares)	13,928
Common Class B [Member]
Defined Contribution Plan Disclosure [Line Items]
Shares owned by plan (in shares)	169,989
Retirement Fund [Member]
Defined Contribution Plan Disclosure [Line Items]
Compensation expenses	$ 300	300	300
Retirement Fund [Member] | Common Class A [Member]
Defined Contribution Plan Disclosure [Line Items]
Shares owned by plan (in shares)	3,323
Retirement Fund [Member] | Common Class B [Member]
Defined Contribution Plan Disclosure [Line Items]
Shares owned by plan (in shares)	17,342
401K Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Compensation expenses	$ 1,200	800	400
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension expense	$ 1,500	1,300	1,300
Normal retirement age	65 years
Number of years of service	20 years
Number of years of plan participation	5 years
Percentage of average base compensation payable as normal retirement benefit under the plan	40.00%
Early retirement age	55 years
Number of consecutive calendar years of plan participation to calculate average base compensation	20 years
Number of monthly payments under the death benefit of the plan	120 months
Minimum number of monthly payments entitled to beneficiary in case participant dies prior to receiving one hundred twenty monthly payments	60 months
Period for which beneficiary is entitled to receive benefit	shorter of (i) the time necessary to complete 120 monthly payments or (ii) 60 months
Percentage of participant's annual base salary received by beneficiary for one year from date of death	100.00%
Period for which beneficiary will receive hundred percent annual base salary	1 year
Percentage of participant's annual base salary received by beneficiary for years two through five following date of death	50.00%
Period for which beneficiary will receive fifty percent annual base salary	4 years
Components of SERP expense [Abstract]
Service Cost	$ 552	542	556
Interest Cost	567	541	448
Net amortization	366	182	307
Net periodic benefit cost	1,485	1,265	1,311
Summary of information about changes in plan assets, benefit obligation, and the funded status [Abstract]
Fair value of plan assets, beginning of period	0	0
Company contributions	85	16
Benefits paid	(85)	(16)
Fair value of plan assets, end of period	0	0	0
Benefit obligation January 1	14,205	10,830
Service cost	552	542	556
Interest cost	567	541	448
Benefits paid	(85)	(16)
Actuarial (gains) losses	337	2,308
Benefit obligation, December 31	15,576	14,205	$ 10,830
Underfunded status, December 31	(15,576)	(14,205)
Accumulated benefit obligation	12,700	12,100
Fair value of life insurance policies and marketable securities held in a rabbi trust	12,200	12,300
Estimated net loss and prior service cost that will be amortized from accumulated other comprehensive income into net periodic benefit cost over the next fiscal year	400
Expected employer contributions in next fiscal year	100
Expected future benefit payments [Abstract]
2016	129
2017	280
2018	280
2019	532
2020	647
2021 - 2025	4,662
Amounts recognized in accumulated other comprehensive loss, pretax:
Prior service cost	866	1,048
Net loss	3,465	3,302
Total amounts recognized in accumulated other comprehensive loss	$ 4,331	$ 4,350
Net periodic benefit cost
Discount rate	4.00%	5.00%	4.00%
Rate of compensation increase	3.00%	3.00%	3.00%
Benefit obligation
Discount rate	4.25%	4.00%	5.00%
Rate of compensation increase	3.00%	3.00%	3.00%