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SHORT-TERM INVESTMENTS | 12 Months Ended
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Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
SHORT-TERM INVESTMENTS | SHORT-TERM INVESTMENTS Short-term investments include marketable securities in the amount of $1,012,286 and $1,041,589 as of December 31, 2022 and 2021, respectively and short-term bank deposits in the amounts of $29,657 and $4,507 as of December 31, 2022 and 2021, respectively. The following table summarizes amortized costs, gross unrealized gains and losses and estimated fair values of available-for-sale marketable securities as of December 31, 2022 and 2021:
| Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value (Level 2 within the fair value hierarchy)
| December 31, |  | December 31, |  | December 31, |  | December 31,
| 2022 |  | 2021 |  | 2022 |  | 2021 |  | 2022 |  | 2021 |  | 2022 |  | 2021
Corporate debentures | $ | 986,803 |  |  | $ | 1,012,615 |  |  | $ | 180 |  |  | $ | 3,883 |  |  | $ | (37,408) |  |  | $ | (5,560) |  |  | $ | 949,574 |  |  | $ | 1,010,939 |
U.S. Treasuries | 42,317 |  |  | 14,658 |  |  | 96 |  |  | 156 |  |  | (984) |  |  | — |  |  | 41,428 |  |  | 14,815 |
U.S. Government Agencies | 22,238 |  |  | 16,005 |  |  | 12 |  |  | — |  |  | (968) |  |  | (169) |  |  | 21,284 |  |  | 15,835 |
| $ | 1,051,358 |  |  | $ | 1,043,278 |  |  | $ | 288 |  |  | $ | 4,039 |  |  | $ | (39,360) |  |  | $ | (5,729) |  |  | $ | 1,012,286 |  |  | $ | 1,041,589 |
The scheduled maturities of available-for-sale marketable securities as of December 31, 2022 are as follows:
| Amortized cost |  | Estimated fair value
Due within one year | $ | 347,284 |  |  | $ | 340,514 |
Due after one year through five years | 704,074 |  |  | 671,772 |
| $ | 1,051,358 |  |  | $ | 1,012,286 |
Investments with continuous unrealized losses for less than 12 months and 12 months or greater and their related fair values as of December 31, 2022 and 2021 are as indicated in the following tables:
| December 31, 2022
| Investments with continuous unrealized losses for less than 12 months |  | Investments with continuous unrealized losses for 12 months or greater |  | Total Investments with continuous unrealized losses
| Fair value |  | Unrealized losses |  | Fair value |  | Unrealized losses |  | Fair value |  | Unrealized losses
Corporate debentures | $ | 404,393 |  |  | $ | (14,198) |  |  | $ | 508,180 |  |  | $ | (23,210) |  |  | $ | 912,573 |  |  | $ | (37,408) |
U.S. Treasuries | 32,501 |  |  | (984) |  |  | — |  |  | — |  |  | 32,501 |  |  | (984) |
U.S. Government Agencies | 3,344 |  |  | (157) |  |  | 15,195 |  |  | (811) |  |  | 18,539 |  |  | (968) |
| $ | 440,238 |  |  | $ | (15,339) |  |  | $ | 523,375 |  |  | $ | (24,021) |  |  | $ | 963,613 |  |  | $ | (39,360) |
| December 31, 2021
| Investments with continuous unrealized losses for less than 12 months |  | Investments with continuous unrealized losses for 12 months or greater |  | Total Investments with continuous unrealized losses
| Fair value |  | Unrealized losses |  | Fair value |  | Unrealized losses |  | Fair value |  | Unrealized losses
Corporate debentures | $ | 494,731 |  |  | $ | (4,413) |  |  | $ | 156,840 |  |  | $ | (1,147) |  |  | $ | 651,571 |  |  | $ | (5,560) |
U.S. Treasuries | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
U.S. Government Agencies | 15,835 |  |  | (169) |  |  | — |  |  | — |  |  | 15,835 |  |  | (169) |
| $ | 510,566 |  |  | $ | (4,582) |  |  | $ | 156,840 |  |  | $ | (1,147) |  |  | $ | 667,406 |  |  | $ | (5,729) |

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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