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Marketable Securities (Tables)
 12 Months Ended
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Summary of Fair Value of Marketable Securities by Type of Marketable Securities

The amortized cost, gross unrealized holding gains, gross unrealized holding losses and fair value of our marketable securities by type of security as of December 31, 2022 was as follows:

 

 

 

 

 

DECEMBER 31, 2022

 

(in thousands)

 

Fair Value Hierarchy Level

 

Amortized Cost

 

 

Gross Unrealized Holding Gains

 

 

Gross Unrealized Holding Losses

 

 

Fair Value

 

Money market funds

 

Level 1

 

$

12,647

 

 

$

—

 

 

$

—

 

 

$

12,647

 

U.S. treasury securities

 

Level 1

 

 

39,372

 

 

 

—

 

 

 

(169

)

 

 

39,203

 

U.S. government agency securities

 

Level 2

 

 

76,860

 

 

 

37

 

 

 

(82

)

 

 

76,815

 

 

 

 

 

$

128,879

 

 

$

37

 

 

$

(251

)

 

$

128,665

 
Schedule of Marketable Securities by Balance Sheet Location Classification

The fair values of marketable securities by classification in the consolidated balance sheets was as follows:

 

 

 

 

 

(in thousands)

 

DECEMBER 31, 2022

 

Cash and cash equivalents

 

$

16,629

 

Marketable securities

 

 

112,036

 

 

 

$

128,665

 
Schedule of Fair Values of Available-for-Sale Debt Securities by Contractual Maturity

The fair values of available-for-sale debt securities as of December 31, 2022, by contractual maturity, are summarized as follows:
 

(in thousands)

 

DECEMBER 31, 2022

 

Due in one year or less

 

$

127,667

 

Due after one year through two years

 

 

998

 

 

 

$

128,665