Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Contract Balances) (Details)

v3.20.2
Revenue Recognition (Contract Balances) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Changes in contract liabilities        
Balance at Beginning of Period $ 6,316 $ 6,886 $ 2,187 $ 2,006
Additions 3,500 3,328 12,006 13,479
Deductions (5,620) (6,147) (9,997) (11,418)
Balance at End of Period 4,196 4,067 4,196 4,067
Contract assets 0 0 0 0
Revenue recognized included in contract liabilities at the beginning of the period $ 773 $ 721 $ 2,187 $ 2,006