SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - AVAILABLE-FOR-SALE INVESTMENTS (Details) - USD ($) $ in Thousands |
Jun. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Adjusted Cost | $ 54,668 | $ 57,486 |
| Gross Unrealized Gains | 5 | (3) |
| Fair Value | 54,673 | 57,483 |
| Municipal Bonds and Notes | ||
| Debt Instrument [Line Items] | ||
| Adjusted Cost | 39,890 | 35,222 |
| Gross Unrealized Gains | 5 | 2 |
| Fair Value | 39,895 | 35,224 |
| Corporate Debt Securities | ||
| Debt Instrument [Line Items] | ||
| Adjusted Cost | 1,995 | 5,029 |
| Gross Unrealized Gains | 0 | (5) |
| Fair Value | 1,995 | 5,024 |
| Financial Institution Instruments | ||
| Debt Instrument [Line Items] | ||
| Adjusted Cost | 12,783 | 17,235 |
| Gross Unrealized Gains | 0 | 0 |
| Fair Value | $ 12,783 | $ 17,235 |
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before tax of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. No definition available.
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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