pre_text: The following is a summary of investments, including those that meet the definition of a cash equivalent, as of December 31, 2018 (in thousands): As of December 31, 2019, the Company’s investment in corporate bonds and US treasury securities had a weighted-average maturity date of approximately five months. Unrealized gains and losses on investments were not significant individually or in aggregate, and the Company does not believe the unrealized losses represent other-than-temporary impairments as of December 31, 2019.
table: Amortized Cost Unrealized Gains Unrealized Losses Fair Value
table: Current assets:
table: Cash $54,275 $— $— $54,275
table: Cash equivalents:
table: Money market funds 129,321 — — 129,321
table: Total cash equivalents 129,321 — — 129,321
table: Total cash and cash equivalents 183,596 — — 183,596
table: Short-term investments:
table: Corporate bonds 58,115 — (82) 58,033
table: US treasury securities 138,826 — (100) 138,726
table: Commercial paper 7,973 — — 7,973
table: Total short-term investments 204,914 — (182) 204,732
table: Long-term investments:
table: Strategic investments 1,250 — — 1,250
table: Total long-term investments $1,250 $— $— $1,250
question: Analyse this data from a financial earnings document. What was the sum of amortized cost of corporate bonds and US treasury securities?