v3.21.2

REDEMPTION SETTLEMENT ASSETS, RESTRICTED - Amortized cost, unrealized gains and losses, and fair value of securities available-for-sale (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 641,820	$ 592,247
Unrealized Gains	10,257	19,110
Unrealized Losses	(2,541)	(173)
Fair Value	649,536	611,184
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	641,820	592,247
Unrealized Gains	10,257	19,110
Unrealized Losses	(2,541)	(173)
Fair Value	$ 649,536	$ 611,184

X

- Definition

Amortized cost of 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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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-Subparagraph (a)
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
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+ References

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-Publisher FASB
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Amount of 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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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