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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
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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.

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Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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Fair Value Measurements - (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019
Fair value of the Company’s financial assets
Marketable securities	$ 284,285		$ 300,514
Assets transferred from level 1 to level 2	0	$ 0		$ 0	$ 0
Assets transferred from level 2 to level 1	0	$ 0		$ 0	$ 0
Fair Value
Fair value of the Company’s financial assets
Total financial assets	294,241		319,855
Fair Value \| Quoted Prices in Active Markets (Level 1)
Fair value of the Company’s financial assets
Total financial assets	9,956		19,341
Fair Value \| Significant Other Observable Inputs (Level 2)
Fair value of the Company’s financial assets
Total financial assets	284,285		300,514
Money market funds (cash equivalents) \| Fair Value
Fair value of the Company’s financial assets
Money market funds (cash equivalents)	9,956		19,341
Money market funds (cash equivalents) \| Fair Value \| Quoted Prices in Active Markets (Level 1)
Fair value of the Company’s financial assets
Money market funds (cash equivalents)	9,956		19,341
U.S. treasury securities \| Fair Value
Fair value of the Company’s financial assets
Marketable securities			4,991
U.S. treasury securities \| Fair Value \| Significant Other Observable Inputs (Level 2)
Fair value of the Company’s financial assets
Marketable securities			4,991
Agency bonds \| Fair Value
Fair value of the Company’s financial assets
Marketable securities	24,449		24,451
Agency bonds \| Fair Value \| Significant Other Observable Inputs (Level 2)
Fair value of the Company’s financial assets
Marketable securities	24,449		24,451
Corporate bonds \| Fair Value
Fair value of the Company’s financial assets
Marketable securities	252,874		271,072
Corporate bonds \| Fair Value \| Significant Other Observable Inputs (Level 2)
Fair value of the Company’s financial assets
Marketable securities	252,874		$ 271,072
Commercial Paper \| Fair Value
Fair value of the Company’s financial assets
Marketable securities	6,962
Commercial Paper \| Fair Value \| Significant Other Observable Inputs (Level 2)
Fair value of the Company’s financial assets
Marketable securities	$ 6,962