INVESTMENTS - Disposition of Fixed Securities and Equities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Debt securities | Available for sale securities | SALES
Summary of the disposition of fixed income and equity securities
Proceeds From Sales	$ 42,874	$ 133,473
Gross Realized Gains	3,495	2,346
Gross Realized Losses	(1,162)	(1,106)
Net Realized Gain (Loss)	2,333	1,240
Debt securities | Available for sale securities | CALLS/MATURITIES
Summary of the disposition of fixed income and equity securities
Proceeds From Sales	121,911	53,113
Gross Realized Gains	294	58
Gross Realized Losses	(9)	(9)
Net Realized Gain (Loss)	285	49
Equity securities | SALES
Summary of the disposition of fixed income and equity securities
Proceeds From Sales	52,533	33,360
Gross Realized Gains	19,569	13,016
Gross Realized Losses	(6,732)	(711)
Net Realized Gain (Loss)	$ 12,837	$ 12,305