Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Changes in Contract Liabilities (Details)

v3.19.3
Revenue Recognition - Changes in Contract Liabilities (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2019
USD ($)
Change in Contract with Customer, Liability [Roll Forward]  
Outstanding at December 31, 2018 $ 1,079
Increase (decrease) attributed to:  
Customer loyalty net deferrals  3,976
Customer loyalty redemptions  (3,999)
Outstanding at September 30, 2019 $ 1,056