INVESTMENT SECURITIES - TRUST PREFERRED SECURITY (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2015
Amortized cost and fair value of the investment securities portfolio by contractual maturity
Amount of floating rate purchased	$ 244,820	$ 141,571
Trust Preferred Securities
Amortized cost and fair value of the investment securities portfolio by contractual maturity
Amount of floating rate purchased			$ 3,000
Price as percentage of face value			68.00%
3 Month London Interbank Offered Rate (LIBOR) | Trust Preferred Securities
Amortized cost and fair value of the investment securities portfolio by contractual maturity
Interest rate - Basis Spread			1.59%