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OTHER INVESTMENTS - Summary of fair value and unrealized losses on other investments (Details 3) (USD $)
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12 Months Ended | |
|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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|
| Schedule of Investments [Line Items] | ||
| Fair Value | $ 592,000 | $ 856,000 |
| Unrealized Loss | (87,000) | (133,000) |
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Venture capital funds - technology and communications
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||
| Schedule of Investments [Line Items] | ||
| Fair Value | 346,000 | 384,000 |
| Unrealized Loss | (76,000) | (79,000) |
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Venture capital funds - diversified businesses
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||
| Schedule of Investments [Line Items] | ||
| Fair Value | 241,000 | |
| Unrealized Loss | (5,000) | |
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Real estate and related
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||
| Schedule of Investments [Line Items] | ||
| Fair Value | 246,000 | 231,000 |
| Unrealized Loss | (11,000) | (49,000) |
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Position of Less than 12 Months
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||
| Schedule of Investments [Line Items] | ||
| Fair Value | 11,000 | |
| Unrealized Loss | (10,000) | |
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Position of Less than 12 Months | Venture capital funds - technology and communications
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||
| Schedule of Investments [Line Items] | ||
| Fair Value | 11,000 | |
| Unrealized Loss | (10,000) | |
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Position of Greater than 12 Months
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||
| Schedule of Investments [Line Items] | ||
| Fair Value | 592,000 | 846,000 |
| Unrealized Loss | (87,000) | (123,000) |
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Position of Greater than 12 Months | Venture capital funds - technology and communications
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||
| Schedule of Investments [Line Items] | ||
| Fair Value | 346,000 | 374,000 |
| Unrealized Loss | (76,000) | (69,000) |
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Position of Greater than 12 Months | Venture capital funds - diversified businesses
|
||
| Schedule of Investments [Line Items] | ||
| Fair Value | 241,000 | |
| Unrealized Loss | (5,000) | |
|
Position of Greater than 12 Months | Real estate and related
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||
| Schedule of Investments [Line Items] | ||
| Fair Value | 246,000 | 231,000 |
| Unrealized Loss | $ (11,000) | $ (49,000) |