ACQUISITIONS - Narrative (Details)	Apr. 06, 2022 branch $ / shares shares	Feb. 18, 2022 branch
Online Deposit Business And 80 East Coast Branches Of HSBC Bank | New York City Metro
Business Acquisition [Line Items]
Number of branches acquired		66
Online Deposit Business And 80 East Coast Branches Of HSBC Bank | Mid-Atlantic/Washington D.C.
Business Acquisition [Line Items]
Number of branches acquired		9
Online Deposit Business And 80 East Coast Branches Of HSBC Bank | Southeast Florida
Business Acquisition [Line Items]
Number of branches acquired		5
Investors Acquisition
Business Acquisition [Line Items]
Number of branches acquired	154
Stock options granted (in shares) | shares	1,151,301
Number of shares issued for acquisition | shares	73,600,000
Cash consideration, in dollars per share for each share of investors stock (in dollars per share) | $ / shares	$ 1.46
Investors Acquisition | Restricted Stock
Business Acquisition [Line Items]
Awards granted (in shares) | shares	259,316
Investors Acquisition | Common Stock
Business Acquisition [Line Items]
Stock consideration (in dollars per each share) | $ / shares	$ 0.297