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v3.3.1.900

Investments (Details) $ in Thousands | Dec. 31, 2015 USD ($)
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Schedule of Available-for-sale Securities [Line Items] |
Amortized cost | $ 142,882
Gross unrealized gains | 44
Gross unrealized losses | (49)
Fair value | 142,877
Government-sponsored Enterprises [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized cost | 22,055
Gross unrealized gains | 1
Gross unrealized losses | (9)
Fair value | 22,047
Corporate Debt Securities [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized cost | 111,473
Gross unrealized gains | 42
Gross unrealized losses | (34)
Fair value | 111,481
U.S. Treasury Securities [Member] |
Schedule of Available-for-sale Securities [Line Items] |
Amortized cost | 9,354
Gross unrealized gains | 1
Gross unrealized losses | (6)
Fair value | $ 9,349

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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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