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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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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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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS (Details 2) - USD ($)	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Assets, Fair Value Disclosure
Cash and cash equivalents	$ 117,098,000	$ 149,294,000	$ 159,705,000	$ 179,327,000
Restricted cash	4,127,000	4,127,000
Available for sale securities	63,202,000	45,754,000	$ 0
Liabilities, Fair Value Disclosure
Acquisition contingent consideration	384,000	376,000
Long-term debt, carrying amount	478,167,000	479,653,000
Level 1 \| Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure
Cash and cash equivalents	117,098,000	149,294,000
Restricted cash	4,127,000	4,127,000
Available for sale securities	63,202,000	45,754,000
Liabilities, Fair Value Disclosure
Acquisition contingent consideration	0	0
Long-term debt, fair value	0	0
Level 2 \| Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure
Cash and cash equivalents	0	0
Restricted cash	0	0
Available for sale securities	0	0
Liabilities, Fair Value Disclosure
Acquisition contingent consideration	0	0
Long-term debt, fair value	461,431,000	474,856,000
Level 3 \| Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure
Cash and cash equivalents	0	0
Restricted cash	0	0
Available for sale securities	0	0
Liabilities, Fair Value Disclosure
Acquisition contingent consideration	384,000	376,000
Long-term debt, fair value	$ 0	$ 0