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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%

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=49178875&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=21915240&loc=d3e1703-114919 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of other defined benefit plan costs. + References No definition available. + Details
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- Definition 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 -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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