SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - AVAILABLE-FOR-SALE INVESTMENTS (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Dec. 31, 2015 |
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| Debt Instrument [Line Items] | ||
| Document Period End Date | Sep. 30, 2016 | |
| Adjusted Cost | $ 57,376 | $ 57,486 |
| Gross Unrealized Gains (Losses) | (6) | (3) |
| Fair Value | 57,370 | 57,483 |
| Municipal Bonds and Notes | ||
| Debt Instrument [Line Items] | ||
| Adjusted Cost | 36,785 | 35,222 |
| Gross Unrealized Gains (Losses) | (3) | 2 |
| Fair Value | 36,782 | 35,224 |
| Corporate Debt Securities | ||
| Debt Instrument [Line Items] | ||
| Adjusted Cost | 7,035 | 5,029 |
| Gross Unrealized Gains (Losses) | (3) | (5) |
| Fair Value | 7,032 | 5,024 |
| Financial Institution Instruments | ||
| Debt Instrument [Line Items] | ||
| Adjusted Cost | 13,556 | 17,235 |
| Gross Unrealized Gains (Losses) | 0 | 0 |
| Fair Value | $ 13,556 | $ 17,235 |
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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. No definition available.
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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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