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Revenue Arrangements (Tables)
 3 Months Ended
Mar. 31, 2020
Revenue from Contract with Customer [Abstract]  
Schedule of Changes in Contract Liabilities
The following table presents changes in the Company’s contract liabilities during the three months ended March 31, 2020 (in thousands):
 
 
Balance at
 
 
 
 
 
Balance at
 
 
beginning of period
 
Additions
 
Deductions
 
end of period
Three Months Ended March 31, 2020
 
 
 
 
 
 
 
 
Contract liabilities:
 
 
 
 
 
 
 
 
     Deferred revenue
 
$
16,354

 
$
—

 
$
(24
)
 
$
16,330

Total contract liabilities
 
$
16,354

 
$
—

 
$
(24
)
 
$
16,330