Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Amortized cost, current $ 183,915 $ 158,148
Allowance for credit losses, current 0 0
Amortized cost, noncurrent 111,858 45,181
Allowance for credit losses, noncurrent $ 0 $ 0
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 25,000,000 25,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 39,692,373 39,401,976
Common stock, shares outstanding 39,692,373 39,401,976