Cash, Cash Equivalents and Investments	9 Months Ended
Sep. 30, 2021
Cash, Cash Equivalents and Investments [Abstract]
Cash, Cash Equivalents and Investments	NOTE 6. CASH, CASH EQUIVALENTS AND INVESTMENTS The following tables summarize our cash, cash equivalents and investments as of September 30, 2021 and December 31, 2020 (in thousands): As of September 30, 2021 Gross Gross Amortized unrealized unrealized Fair Cost gains losses Value Cash and cash equivalents: Cash and money market funds$ 364,020 $ — $ — $ 364,020Commercial paper 61,369 — (1) 61,368U.S. government & agency securities — — — —Total cash and cash equivalents 425,389 — (1) 425,388Investments: Commercial paper 255,817 8 (8) 255,817Corporate debt securities 13,564 31 — 13,595U.S. government & agency securities 385,092 52 (54) 385,090Total investments 654,473 91 (62) 654,502Total cash, cash equivalents and investments $ 1,079,862 $ 91 $ (63) $ 1,079,890Short-term restricted cash: Cash $ 500 $ — $ — $ 500Long-term restricted cash: Cash $ 4,560 $ — $ — $ 4,560 As of December 31, 2020 Gross Gross Amortized unrealized unrealized Fair Cost gains losses Value Cash and cash equivalents: Cash and money market funds$ 43,040 $ — $ — $ 43,040Commercial paper 32,538 — (1) 32,537U.S. government & agency securities 170 — — 170U.S. Treasury security 5,864 — — 5,864Total cash and cash equivalents 81,612 — (1) 81,611Investments: Commercial paper 112,648 4 (8) 112,644Corporate debt securities 17,360 96 — 17,456U.S. government & agency securities 107,109 6 (12) 107,103Total investments 237,117 106 (20) 237,203Total cash, cash equivalents and investments $ 318,729 $ 106 $ (21) $ 318,814Short-term restricted cash: Cash $ 836 $ — $ — $ 836Long-term restricted cash: Cash $ 3,500 $ — $ — $ 3,500 The following table summarizes the contractual maturities of our cash equivalents and available-for-sale investments, excluding money market funds, as of September 30, 2021 (in thousands): Fair ValueDue in one year or less $ 404,995Due after one year through 5 years 310,875Total investments $ 715,870 Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without call or prepayment penalties.

Cash, Cash Equivalents and Investments

9 Months Ended

Sep. 30, 2021

Cash, Cash Equivalents and Investments [Abstract]

NOTE 6. CASH, CASH EQUIVALENTS AND INVESTMENTS The following tables summarize our cash, cash equivalents and investments as of September 30, 2021 and December 31, 2020 (in thousands): As of September 30, 2021 Gross Gross Amortized unrealized unrealized Fair Cost gains losses Value Cash and cash equivalents: Cash and money market funds$ 364,020 $ — $ — $ 364,020Commercial paper 61,369 — (1) 61,368U.S. government & agency securities — — — —Total cash and cash equivalents 425,389 — (1) 425,388Investments: Commercial paper 255,817 8 (8) 255,817Corporate debt securities 13,564 31 — 13,595U.S. government & agency securities 385,092 52 (54) 385,090Total investments 654,473 91 (62) 654,502Total cash, cash equivalents and investments $ 1,079,862 $ 91 $ (63) $ 1,079,890Short-term restricted cash: Cash $ 500 $ — $ — $ 500Long-term restricted cash: Cash $ 4,560 $ — $ — $ 4,560 As of December 31, 2020 Gross Gross Amortized unrealized unrealized Fair Cost gains losses Value Cash and cash equivalents: Cash and money market funds$ 43,040 $ — $ — $ 43,040Commercial paper 32,538 — (1) 32,537U.S. government & agency securities 170 — — 170U.S. Treasury security 5,864 — — 5,864Total cash and cash equivalents 81,612 — (1) 81,611Investments: Commercial paper 112,648 4 (8) 112,644Corporate debt securities 17,360 96 — 17,456U.S. government & agency securities 107,109 6 (12) 107,103Total investments 237,117 106 (20) 237,203Total cash, cash equivalents and investments $ 318,729 $ 106 $ (21) $ 318,814Short-term restricted cash: Cash $ 836 $ — $ — $ 836Long-term restricted cash: Cash $ 3,500 $ — $ — $ 3,500 The following table summarizes the contractual maturities of our cash equivalents and available-for-sale investments, excluding money market funds, as of September 30, 2021 (in thousands): Fair ValueDue in one year or less $ 404,995Due after one year through 5 years 310,875Total investments $ 715,870 Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without call or prepayment penalties.