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Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity), classified as current.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
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-URI https://asc.fasb.org/1943274/2147481830/320-10-45-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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Fair value of investment in debt security measured at amortized cost (held-to-maturity), classified as current.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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