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Fair Value Measurements (Tables)
 3 Months Ended
Mar. 31, 2021
Fair Value Disclosures [Abstract]  
Schedule of Company's Financial Assets and (Liabilities) at Fair Value on Recurring Basis
The following table summarizes the basis used to measure the Company’s financial assets (liabilities) at fair value on a recurring basis in the balance sheets at March 31, 2021 and December 31, 2020:
 Basis of Fair Value Measurements
 Balance at March 31, 2021Level 1Level 2Level 3
Available for sale securities$13,486 $13,486 $— $— 
 Basis of Fair Value Measurements
 Balance at December 31, 2020Level 1Level 2Level 3
Available for sale securities$13,554 $13,554 $— $—