Annual report pursuant to Section 13 and 15(d)

REVENUE RECOGNITION - Changes in Contract Liabilities (Details)

v3.20.1
REVENUE RECOGNITION - Changes in Contract Liabilities (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Change in Contract with Customer, Liability [Roll Forward]    
Outstanding at December 31, 2018 $ 1,079 $ 1,126
Increase (decrease) attributed to:    
Customer loyalty net deferrals 4,969 4,333
Customer loyalty redemptions (5,093) (4,380)
Outstanding at December 31, 2019 $ 955 $ 1,079