RETIREMENT FUND AND PROFIT SHARING PLAN (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Employer match of the first 1% of compensation contributed by participants (in hundredths)	100.00%
Percentage of participant contribution under condition one (in hundredths)	1.00%
Employer match of the next 5% compensation contributed by participants (in hundredths)	50.00%
Percentage of employee deferrals under condition two (in hundredth)	5.00%
Maximum employee deferral contribution under Asia Retirement Fund (in hundredths)	5.00%
Minimum employer matching contribution (in hundredths)	5.00%
Employer matching contribution (in hundredths)	7.00%
Maximum employer matching contribution per plan participant under prior plan	$ 350
Summary of information about changes in plan assets and benefit obligation, the funded status [Abstract]
Related Liabilities	10,830,000	11,045,000
Fair value of life insurance policies and marketable securities held in a rabbi trust	11,900,000	11,100,000
Estimated net loss that will be amortized from accumulated other comprehensive income into net periodic benefit cost over the next fiscal year	0
Prior service cost that will be amortized from accumulated other comprehensive income into net periodic benefit cost over the next fiscal year	200,000
Class A [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares owned by plan (in shares)	14,899
Class B [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares owned by plan (in shares)	190,039
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Compensation expenses	1,300,000	1,100,000	900,000
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 (in hundredths)	40.00%
Number of consecutive calendar years of plan participation to calculate average base compensation	20 years
Early retirement age	55 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 (in hundredths)	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 following four years from date of death (in hundredths)	50.00%
Period for which beneficiary will receive fifty percent annual base salary	4 years
Components of SERP expense [Abstract]
Service Cost	556,000	438,000	371,000
Interest Cost	448,000	417,000	404,000
Net amortization	307,000	230,000	149,000
Net periodic benefit cost	1,311,000	1,085,000	924,000
Summary of information about changes in plan assets and benefit obligation, the funded status [Abstract]
Fair value of plan assets, beginning of period	0	0
Company contributions	0	0
Benefits paid	0	0
Fair value of plan assets, end of period	0	0	0
Benefit obligation January 1	11,045,000	9,274,000
Service cost	556,000	438,000	371,000
Interest cost	448,000	417,000	404,000
Plan amendments	502,000	0
Benefits paid	0	0
Actuarial losses	(1,721,000)	916,000
Benefit obligation, December 31	10,830,000	11,045,000	9,274,000
Funded status, December 31	(10,830,000)	(11,045,000)
Related Liabilities	10,800,000	11,000,000
Accumulated benefit obligation	9,200,000	9,300,000
Expected future benefit payments [Abstract]
2014	0
2015	264,000
2016	264,000
2017	264,000
2018	264,000
2019 - 2023	3,443,000
Amounts recognized in accumulated other comprehensive loss, pretax:
Prior service cost	1,230,000	877,000
Net loss	1,004,000	2,884,000
Total amounts recognized in accumulated other comprehensive loss	2,234,000	3,761,000
Net periodic benefit cost
Discount rate (in hundredths)	4.00%	4.50%	5.50%
Rate of compensation increase (in hundredths)	3.00%	3.00%	3.00%
Benefit obligation
Discount rate (in hundredths)	5.00%	4.00%	4.50%
Rate of compensation increase (in hundredths)	3.00%	3.00%	3.00%
Retirement Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Compensation expenses	300,000	300,000	300,000
Retirement Fund [Member] | Class A [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares owned by plan (in shares)	3,323
Retirement Fund [Member] | Class B [Member]
Defined Benefit Plan Disclosure [Line Items]
Shares owned by plan (in shares)	17,342
401(k) Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Compensation expenses	$ 400,000	$ 500,000	$ 900,000