LOANS HELD FOR INVESTMENT, NET - Financial effect of the modifications to borrowers experiencing financial difficulty (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted Average Interest Rate Reductions	4.50%	4.27%
Weighted Average months of Term Extensions		20 months
Weighted Average Payment Delay or Principal Forgiveness	$ 2,405	$ 2,374
Business loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted Average Interest Rate Reductions	4.50%	4.27%
Weighted Average months of Term Extensions		20 months
Weighted Average Payment Delay or Principal Forgiveness	$ 1,417	$ 1,314
One-to-four family residential and cooperative/condominium apartment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted Average Payment Delay or Principal Forgiveness		72
Non-owner-occupied commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted Average Payment Delay or Principal Forgiveness	$ 988	$ 988