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Investments

12 Months Ended

Dec. 31, 2022

Investments, Debt and Equity Securities [Abstract]

The following table represents the Company’s available for sale investments by major security type (amounts in thousands):


	December 31, 2022
	Amortized Cost		Gross Unrealized Loss		Total Fair Value
Investments:
U.S. government securities	$	114,778	$	(877)	$	113,901
Total investments	$	114,778	$	(877)	$	113,901


	December 31, 2021
	Amortized Cost		Gross Unrealized Loss		Total Fair Value
Investments:
U.S. government securities	$	177,096	$	(560)	$	176,536
Total investments	$	177,096	$	(560)	$	176,536

The Company’s investment instruments and cash and cash equivalents are classified using Level 1 inputs within the fair value hierarchy and are valued using quoted market prices, broker or dealer quotations, or alternative pricing sources with reasonable levels of price transparency. Debt securities have an average maturity of 0.37 years as of December 31, 2022.