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Marketable Securities - Schedule of Gross Unrealized Losses and Fair Value by Major Security Type (Details) - USD ($) $ in Thousands | Apr. 01, 2023 | Dec. 31, 2022
--- | --- | ---
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | $ (6,699) | $ (30,716)
Fair Value Less than 12 Consecutive Months | 220,984 | 601,202
Gross Unrealized Losses 12 Consecutive Months or Longer | (93,755) | (83,412)
Fair Value 12 Consecutive Months or Longer | 1,103,710 | 756,413
Gross Unrealized Losses, Total | (100,454) | (114,128)
Fair Value, Total | 1,324,694 | 1,357,615
Agency securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months |  |
Fair Value Less than 12 Consecutive Months |  |
Gross Unrealized Losses 12 Consecutive Months or Longer | (671) | (786)
Fair Value 12 Consecutive Months or Longer | 6,329 | 6,214
Gross Unrealized Losses, Total | (671) | (786)
Fair Value, Total | 6,329 | 6,214
Mortgage-backed securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (15) | (1,900)
Fair Value Less than 12 Consecutive Months | 240 | 23,229
Gross Unrealized Losses 12 Consecutive Months or Longer | (4,339) | (2,625)
Fair Value 12 Consecutive Months or Longer | 38,856 | 17,619
Gross Unrealized Losses, Total | (4,354) | (4,525)
Fair Value, Total | 39,096 | 40,848
Corporate debt securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (6,431) | (26,680)
Fair Value Less than 12 Consecutive Months | 200,179 | 508,956
Gross Unrealized Losses 12 Consecutive Months or Longer | (63,058) | (51,122)
Fair Value 12 Consecutive Months or Longer | 786,401 | 498,834
Gross Unrealized Losses, Total | (69,489) | (77,802)
Fair Value, Total | 986,580 | 1,007,790
Municipal securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (253) | (2,136)
Fair Value Less than 12 Consecutive Months | 20,565 | 69,017
Gross Unrealized Losses 12 Consecutive Months or Longer | (24,634) | (26,725)
Fair Value 12 Consecutive Months or Longer | 266,158 | 225,679
Gross Unrealized Losses, Total | (24,887) | (28,861)
Fair Value, Total | 286,723 | 294,696
Other [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months |  |
Fair Value Less than 12 Consecutive Months |  |
Gross Unrealized Losses 12 Consecutive Months or Longer | (1,053) | (2,154)
Fair Value 12 Consecutive Months or Longer | 5,966 | 8,067
Gross Unrealized Losses, Total | (1,053) | (2,154)
Fair Value, Total | $ 5,966 | $ 8,067

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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 + Details
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