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

Quarterly Financial Information (Unaudited - see accompanying accountants' report) (Details)

v3.19.3.a.u2
Quarterly Financial Information (Unaudited - see accompanying accountants' report) (Details) - USD ($)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Aug. 31, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Aug. 31, 2019
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]                                  
Total Net revenue $ 36,289 $ 84,589     $ 134,436 $ 137,156 $ 135,013 $ 133,753 $ 133,546 $ 138,211 $ 140,498 $ 141,200 $ 342,286 $ 405,922 $ 540,358 $ 553,455 $ 570,372
Operating income (loss) (3,129) 9,111     (316,590) 12,280 (201,845) 12,012 14,647 12,896 (11,848) 16,609 47,565 (177,553) (494,143) 32,304 67,649
Net loss $ (10,807) $ 684,385 $ (54,202) $ (31,770) $ (376,911) $ (33,840) $ (241,792) $ (26,207) $ (14,642) $ (25,536) $ (50,104) $ (21,013) $ 598,413 $ (301,839) $ (678,750) $ (111,295) $ (76,307)