INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Jun. 30, 2021
Other Commitments [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Investments in Low Income Housing Tax Credit Partnerships	$ 25,309		$ 25,916
Investments in common securities of statutory trusts	1,547		1,547
Investments in affiliates	187		162
Other	4,049		2,054
Investment in unconsolidated subsidiaries	31,092		29,679
Equity Method Investments	200		200
Amortization expense in pretax income	607	$ 407
Income tax credits and adjustments	709	$ 474
2022 (remainder)	7,724
2021	8,128
2022	26
2023	6
2024	6
2025	6
Thereafter	32
Total unfunded commitments	15,928
Fund Commitments
Other Commitments [Line Items]
Funded commitments, LIHTC	30,300		30,300
Unfunded Commitments
Other Commitments [Line Items]
Funded commitments, LIHTC	14,300		14,300
Swell Financial, Inc.
Other Commitments [Line Items]
Equity Method Investments	2,000
JAM FINTOP Banktech Fund, L.P.
Other Commitments [Line Items]
Equity Method Investments				$ 2,000
LIHTC partnerships
Other Commitments [Line Items]
2022 (remainder)	6,071
2021	8,128
2022	26
2023	6
2024	6
2025	6
Thereafter	32
Total unfunded commitments	14,275
Other partnerships
Other Commitments [Line Items]
2022 (remainder)	1,653
2021	0
2022	0
2023	0
2024	0
2025	0
Thereafter	0
Total unfunded commitments	$ 1,653		$ 1,700