Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Changes in Contract Liabilities (Details)

v3.19.2
Revenue Recognition - Changes in Contract Liabilities (Details)
$ in Thousands
6 Months Ended
Jun. 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 3,041
Customer loyalty redemptions (3,011)
Outstanding at June 30, 2019 $ 1,109