Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables present the financial assets measured at fair value on a recurring basis:

	March 31, 2022
(in thousands)	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents:
Deposits held with banks	$	113,268	$	—	$	—	$	113,268
Short-term highly liquid investments	19,274		—		—		19,274
Investments	152,295		133,915		—		286,210
Total	$	284,837	$	133,915	$	—	$	418,752

	December 31, 2021
(in thousands)	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents:
Deposits held with banks	$	214,702	$	—	$	—	$	214,702
Short-term highly liquid investments	17,198		—		—		17,198
Investments	206,724		27,454		—		234,178
Total	$	438,624	$	27,454	$	—	$	466,078