GOODWILL AND INTANGIBLE ASSETS - Estimated amortization expense (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
VOBA
2020	$ 5,139
2021	3,853
2022	0
2023	0
2024	0
2025 and thereafter	0
Value of business acquired	8,992	$ 35,714
Intangible assets
2020	10,916
2021	10,916
2022	10,916
2023	10,916
2024	10,916
2025 and thereafter	55,186
Total	109,766
Indefinite lived intangible assets	120,784	120,784	$ 26,036
Intangible assets, net	230,550	241,568
Total
2020	16,055
2021	14,769
2022	10,916
2023	10,916
2024	10,916
2025 and thereafter	55,186
Total remaining amortization expense	118,758
Total intangible assets	$ 239,542	$ 277,282

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