Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Liabilities Measurements on a Recurring Basis (Details)

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FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Liabilities Measurements on a Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Mar. 17, 2022
Dec. 31, 2021
Assets      
Investments $ 231,331   $ 167,365
Commercial paper, available for sale      
Assets      
Investments 121,368   76,930
Corporate Bonds, available for sale      
Assets      
Investments 99,215   84,588
Municipal bonds, available for sale      
Assets      
Investments 10,748   5,847
Level 2 | Series A warrants      
Liabilities      
Warrant liability   $ 43,900  
Fair Value Measurements on Recurring Basis      
Assets      
Cash equivalents 98,304   27,389
Investments 231,331   167,365
Total assets 329,635   194,754
Liabilities      
Total warrant liability 51,381   6,113
Fair Value Measurements on Recurring Basis | RTI warrants      
Liabilities      
Warrant liability 3,379   5,175
Fair Value Measurements on Recurring Basis | Private warrants      
Liabilities      
Warrant liability 681   938
Fair Value Measurements on Recurring Basis | Series A warrants      
Liabilities      
Warrant liability 47,321   0
Fair Value Measurements on Recurring Basis | Commercial paper, available for sale      
Assets      
Investments 121,368   76,930
Fair Value Measurements on Recurring Basis | Corporate Bonds, available for sale      
Assets      
Investments 99,215   84,588
Fair Value Measurements on Recurring Basis | Municipal bonds, available for sale      
Assets      
Investments 10,748   5,847
Fair Value Measurements on Recurring Basis | Level 1      
Assets      
Cash equivalents 120   27,389
Investments 0   0
Total assets 120   27,389
Liabilities      
Total warrant liability 0   0
Fair Value Measurements on Recurring Basis | Level 1 | RTI warrants      
Liabilities      
Warrant liability 0   0
Fair Value Measurements on Recurring Basis | Level 1 | Private warrants      
Liabilities      
Warrant liability 0   0
Fair Value Measurements on Recurring Basis | Level 1 | Series A warrants      
Liabilities      
Warrant liability 0   0
Fair Value Measurements on Recurring Basis | Level 1 | Commercial paper, available for sale      
Assets      
Investments 0   0
Fair Value Measurements on Recurring Basis | Level 1 | Corporate Bonds, available for sale      
Assets      
Investments 0   0
Fair Value Measurements on Recurring Basis | Level 1 | Municipal bonds, available for sale      
Assets      
Investments 0   0
Fair Value Measurements on Recurring Basis | Level 2      
Assets      
Cash equivalents 98,184   0
Investments 231,331   167,365
Total assets 329,515   167,365
Liabilities      
Total warrant liability 47,321   0
Fair Value Measurements on Recurring Basis | Level 2 | RTI warrants      
Liabilities      
Warrant liability 0   0
Fair Value Measurements on Recurring Basis | Level 2 | Private warrants      
Liabilities      
Warrant liability 0   0
Fair Value Measurements on Recurring Basis | Level 2 | Series A warrants      
Liabilities      
Warrant liability 47,321   0
Fair Value Measurements on Recurring Basis | Level 2 | Commercial paper, available for sale      
Assets      
Investments 121,368   76,930
Fair Value Measurements on Recurring Basis | Level 2 | Corporate Bonds, available for sale      
Assets      
Investments 99,215   84,588
Fair Value Measurements on Recurring Basis | Level 2 | Municipal bonds, available for sale      
Assets      
Investments 10,748   5,847
Fair Value Measurements on Recurring Basis | Level 3      
Assets      
Cash equivalents 0   0
Investments 0   0
Total assets 0   0
Liabilities      
Total warrant liability 4,060   6,113
Fair Value Measurements on Recurring Basis | Level 3 | RTI warrants      
Liabilities      
Warrant liability 3,379   5,175
Fair Value Measurements on Recurring Basis | Level 3 | Private warrants      
Liabilities      
Warrant liability 681   938
Fair Value Measurements on Recurring Basis | Level 3 | Series A warrants      
Liabilities      
Warrant liability 0   0
Fair Value Measurements on Recurring Basis | Level 3 | Commercial paper, available for sale      
Assets      
Investments 0   0
Fair Value Measurements on Recurring Basis | Level 3 | Corporate Bonds, available for sale      
Assets      
Investments 0   0
Fair Value Measurements on Recurring Basis | Level 3 | Municipal bonds, available for sale      
Assets      
Investments $ 0   $ 0