Fair value of contingent consideration in a business combination as of the balance sheet date.

No definition available.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ 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 (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- References

No definition available.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562

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- Definition

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. 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
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Fair value portion 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

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- Definition

Fair value of financial and nonfinancial obligations.

+ References

+ Details

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Balance Type:	credit
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- References

No definition available.

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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

No definition available.

+ Details

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- Definition

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 short-term 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. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Details

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Summary of Significant Accounting Policies - Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Assets
Restricted cash and cash equivalents	$ 81,776	$ 133,597	$ 215,325
Investments	305,253	326,165
Cash held in bank accounts	127,000	160,200
Liabilities
Contingent consideration	11,153	92,426	$ 58,153
Level 2 \| Term Loan
Liabilities
Fair value of debt	418,800
Fair value measured on recurring basis
Assets
Total assets held at fair value	482,748	414,982
Liabilities
Contingent consideration	11,153	92,426
Total liabilities held at fair value	11,153	92,426
Fair value measured on recurring basis \| Other than cash held in bank accounts by Company
Assets
Cash and cash equivalents	177,495	88,817
Fair value measured on recurring basis \| U.S. Government and agency securities
Assets
Investments	5,817	5,514
Fair value measured on recurring basis \| Obligations of government-sponsored enterprises
Assets
Investments	25,767	50,525
Fair value measured on recurring basis \| Corporate debt securities
Assets
Investments	272,219	268,976
Fair value measured on recurring basis \| Certificates of deposit
Assets
Investments	1,450	1,150
Fair value measured on recurring basis \| Level 1
Assets
Total assets held at fair value	5,817	5,514
Fair value measured on recurring basis \| Level 1 \| U.S. Government and agency securities
Assets
Investments	5,817	5,514
Fair value measured on recurring basis \| Level 2
Assets
Total assets held at fair value	476,931	409,468
Fair value measured on recurring basis \| Level 2 \| Other than cash held in bank accounts by Company
Assets
Cash and cash equivalents	177,495	88,817
Fair value measured on recurring basis \| Level 2 \| Obligations of government-sponsored enterprises
Assets
Investments	25,767	50,525
Fair value measured on recurring basis \| Level 2 \| Corporate debt securities
Assets
Investments	272,219	268,976
Fair value measured on recurring basis \| Level 2 \| Certificates of deposit
Assets
Investments	1,450	1,150
Fair value measured on recurring basis \| Level 3
Liabilities
Contingent consideration	11,153	92,426
Total liabilities held at fair value	$ 11,153	$ 92,426