Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Significant Changes in Our Contract Liabilities (Detail)

v3.20.1
Revenue Recognition - Significant Changes in Our Contract Liabilities (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Change in Contract with Customer, Liability [Abstract]    
Short Term, Balance, beginning of period $ 9,493  
Short Term, Revenue recognized during the period that was included in the beginning balance of contract liabilities (3,042)  
Short Term, Additional amounts recognized during the period 5,196  
Short Term, Revenue recognized during the period that was recorded during the period (2,308)  
Short Term, Transfers 291  
Short Term, Balance, end of period 9,630  
Short Term, Amount refundable 9,541 $ 9,403
Long-Term, Balance, beginning of period 1,744  
Long-Term, Additional amounts recognized during the period 287  
Long-Term, Transfers (291)  
Long-Term, Balance, end of period 1,740  
Long-Term, Amount refundable $ 1,740 $ 1,744