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Investments in AFS Debt Securities - Schedule of Investments in Debt Securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | $ 205,168 | $ 205,168 | $ 195,796
Accrued Interest | 566 | 566 | 462
Gross Unrealized Gains | 0 | 0 | 4
Gross Unrealized Losses | (7,801) | (7,801) | (1,355)
Fair Value | 197,933 | 197,933 | 194,907
Amortization of premium | 186 | 477 |
U.S. Treasury securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 121,284 | 121,284 | 103,014
Accrued Interest | 151 | 151 | 73
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | (3,249) | (3,249) | (584)
Fair Value | 118,186 | 118,186 | 102,503
Multinational securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 19,785 | 19,785 | 19,911
Accrued Interest | 109 | 109 | 109
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | (692) | (692) | (154)
Fair Value | 19,202 | 19,202 | 19,866
Corporate bonds |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 42,125 | 42,125 | 39,894
Accrued Interest | 256 | 256 | 235
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | (2,477) | (2,477) | (480)
Fair Value | 39,904 | 39,904 | 39,649
Agency TBA |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost |  |  | 7,457
Accrued Interest |  |  | 13
Gross Unrealized Gains |  |  | 4
Gross Unrealized Losses |  |  | (8)
Fair Value |  |  | 7,466
Agency mortgage-backed securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 9,650 | 9,650 | 4,153
Accrued Interest | 24 | 24 | 14
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | (731) | (731) | (31)
Fair Value | 8,943 | 8,943 | 4,136
Other asset-backed securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 9,583 | 9,583 | 9,610
Accrued Interest | 5 | 5 | 5
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | (466) | (466) | (91)
Fair Value | 9,122 | 9,122 | 9,524
Commercial paper |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost |  |  | 9,939
Accrued Interest |  |  | 0
Gross Unrealized Gains |  |  | 0
Gross Unrealized Losses |  |  | 0
Fair Value |  |  | 9,939
Other |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Amortized Cost | 2,741 | 2,741 | 1,818
Accrued Interest | 21 | 21 | 13
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | (186) | (186) | (7)
Fair Value | $ 2,576 | $ 2,576 | $ 1,824

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- Definition The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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