General form of registration statement for all companies including face-amount certificate companies

Revenue Recognition - Contract Balances (Details)

v3.19.3.a.u2
Revenue Recognition - Contract Balances (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
Revenue from Contract with Customer [Abstract]        
Trade receivables, net $ 12,105 $ 13,121 $ 12,645 $ 12,645
Contract assets, net - current portion 10,952 [1] 13,452 [1] 14,197  
Contract assets, net - long-term portion 12,600 [2] 16,154 [2] 10,377  
Deferred revenue $ 13,309 $ 13,060 $ 12,892 $ 13,871
[1] Amount is included in Prepaid and other current assets in the unaudited condensed consolidated balance sheets.
[2] Amount is included in Other assets in the unaudited condensed consolidated balance sheets.