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U.S. Government Securities (Tables)
12 Months Ended
Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]  
Carrying Value and Fair Value of Securities
The following table summarizes the carrying value and fair value of the Company’s securities by the contractual maturity date as of December 31, 2020:
Carrying ValueFair Value
Due in 1 year$5,764 $5,871 
Due in 1 to 5 years129,351 134,399 
TOTAL$135,115 $140,270