INVESTMENTS - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Gain (Loss) on Securities [Line Items]
Proceeds from Sale of Debt Securities, Available-for-sale			$ 116,796	$ 361,736
Available-for-sale Securities, Gross Realized Losses	$ 400	$ 3,100	$ 400	7,000
NumberOfSecuritiesInSecurityPortfolio	1,436		1,436		1,418
NumberOfSecuritiesInUnrealizedLossPosition	1,106		1,106		327
Debt Securities, Held-to-maturity, Nonaccrual	$ 0		$ 0		$ 0
Debt Securities, Held-to-maturity, Allowance for Credit Loss	0		0		$ 0
Sale of Debt Securities, Available-for-sale, Total	111,800	100,600	116,800	372,300
Debt Securities, Available-for-sale, Realized Gain	$ 200	$ 2,800	$ 300	$ 6,300