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

Basis of Presentation - Supplemental Cash Flow Information (Details)

v3.19.3.a.u2
Basis of Presentation - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
1 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Aug. 31, 2019
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
State taxes paid, net $ 0 $ 2,637 $ 2,710 $ 2,569 $ 2,713 $ 2,645
Interest paid 7,238 72,710 95,889 147,632 138,339 123,763
Accrued capital expenditures $ 1,471 $ 1,405 $ 882 $ 552 $ 272 $ 558