v3.22.1

SECURITIES - Summary of AFS Securities Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	$ 273,545	$ 1,198,562
Gross Unrealized gains	1,469	9,473
Gross Unrealized losses	(5,984)	(6,258)
Allowance for credit losses - investments	(10,743)	(10,399)	$ (8,878)	$ (7,245)
Estimated Fair Value	258,287	1,191,378
U.S. Treasury
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	897	499
Gross Unrealized losses	(43)	(9)
Estimated Fair Value	854	490
Collateralized mortgage obligations
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	11,761	13,862
Gross Unrealized losses	(577)	(37)
Estimated Fair Value	11,184	13,825
SBA securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	25,692	27,970
Gross Unrealized gains	1	2
Gross Unrealized losses	(21)
Estimated Fair Value	25,672	27,972
Agency Mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	10,376	928,546
Gross Unrealized gains	8	6,563
Gross Unrealized losses	(306)	(6,120)
Estimated Fair Value	10,078	928,989
Beneficial interest - FHLMC securitizations
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	20,631	21,606
Gross Unrealized gains	334	373
Allowance for credit losses - investments	(10,743)	(10,399)
Estimated Fair Value	10,222	11,580
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	50,737	52,052
Gross Unrealized gains	21	94
Gross Unrealized losses	(2,244)
Estimated Fair Value	48,514	52,146
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	153,451	154,027
Gross Unrealized gains	1,105	2,441
Gross Unrealized losses	(2,793)	(92)
Estimated Fair Value	$ 151,763	$ 156,376

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