Discontinued Operations - Claims Activity (Details) - Discontinued Operations, Held-for-sale - NLC $ in Thousands	Mar. 31, 2020 USD ($)
Incurred losses and allocated loss adjustment expenses, net of reinsurance
Total incurred	$ 245,611
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
Total paid	233,073
All outstanding reserves prior to 2017, net of reinsurance	466
Reserve for unpaid losses and allocated loss adjustment expenses, net of reinsurance	13,004
2017
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2017	87,899
2018	88,025
2019	87,534
2020	87,568
Total of incurred but not reported reserves plus expected development on reported claims	$ 216
Cumulative Number of Reported Claims	20,174
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2017	$ 77,675
2018	86,319
2019	87,203
2020	87,291
2018
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2018	75,217
2019	73,261
2020	73,314
Total of incurred but not reported reserves plus expected development on reported claims	$ 927
Cumulative Number of Reported Claims	14,713
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2018	$ 61,922
2019	70,958
2020	72,255
2019
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2019	71,687
2020	73,072
Total of incurred but not reported reserves plus expected development on reported claims	$ 4,009
Cumulative Number of Reported Claims	13,798
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2019	$ 55,014
2020	66,150
2020
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2020	11,657
Total of incurred but not reported reserves plus expected development on reported claims	$ 1,565
Cumulative Number of Reported Claims	2,317
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2020	$ 7,377