FAIR VALUE MEASUREMENTS (Details 2) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Mar. 31, 2015
Nonrecurring basis
Other Fair Value Measurement Disclosures
Total losses	$ 3,149,000	$ 1,370,000
Significant other observable inputs (Level 2)
Other Fair Value Measurement Disclosures
Current Maturities of Corporate Borrowings	14,390,000	7,779,000	14,577,000
Corporate Borrowings	1,765,678,000	2,090,332,000	1,788,035,000
Significant unobservable inputs (Level 3)
Other Fair Value Measurement Disclosures
Current Maturities of Corporate Borrowings	1,389,000	1,389,000	1,389,000
Corporate Borrowings	5,555,000	6,944,000	5,555,000
Significant unobservable inputs (Level 3) \| Nonrecurring basis
Other Fair Value Measurement Disclosures
Property owned, net	2,342,000
Total Carrying Value
Other Fair Value Measurement Disclosures
Current Maturities of Corporate Borrowings	15,873,000	9,139,000
Corporate Borrowings	1,775,132,000	2,069,672,000
Total Carrying Value \| Nonrecurring basis
Other Fair Value Measurement Disclosures
Property owned, net	$ 2,342,000

The aggregate amount of write-downs for impairments recognized during the period for long lived assets for fair value disclosures.

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- Definition

The fair value of the long-term debt current maturities which are not separately disclosed in the statement of financial position.

+ References

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

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- Definition

Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258

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