GOODWILL AND INTANGIBLE ASSETS - Estimated amortization expense (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
VOBA
2021	$ 3,854
2022	0
2023	0
2024	0
2025	0
2026 and thereafter	0
Value of business acquired	3,854	$ 8,992
Intangible assets
2021	10,916
2022	10,916
2023	10,916
2024	10,916
2025	9,921
2026 and thereafter	45,264
Total	98,849
Indefinite lived intangible assets	120,784	120,784	$ 120,784
Intangible assets, net	219,633	230,550
Total
2021	14,770
2022	10,916
2023	10,916
2024	10,916
2025	9,921
2026 and thereafter	45,264
Total remaining amortization expense	102,703
Total intangible assets	$ 223,487	$ 239,542

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