FAIR VALUE MEASUREMENTS - Available for Sale Securities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, at fair value	$ 14,198	$ 16,083
Level 2 | Residential Mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, at fair value	14,200	16,100
The unpaid principal balances of mortgage loans serviced	16,000	16,100
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	277,453	416,038
Total liabilities measured at fair value	(172)	(155)
Fair Value, Measurements, Recurring | Mortgage loans held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	23,447	125,810
Fair Value, Measurements, Recurring | Residential Mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, at fair value	14,198	16,083
Fair Value, Measurements, Recurring | Securities available-for-sale. | U.S. agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	18,137	20,970
Fair Value, Measurements, Recurring | Securities available-for-sale. | Corporate securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	8,616	9,002
Fair Value, Measurements, Recurring | Securities available-for-sale. | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	116,644	135,433
Fair Value, Measurements, Recurring | Securities available-for-sale. | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	71,077	89,402
Fair Value, Measurements, Recurring | Securities available-for-sale. | U.S. Small Business Administration securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	13,468	16,552
Fair Value, Measurements, Recurring | Derivative | Mandatory and best effort forward commitments with investors
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	294	808
Fair Value, Measurements, Recurring | Derivative | Forward TBA mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	1,154	53
Fair Value, Measurements, Recurring | Derivative | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	10,418	1,168
Total liabilities measured at fair value		(155)
Fair Value, Measurements, Recurring | Derivative | Interest rate lock commitments with customers
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value		757
Total liabilities measured at fair value	(172)
Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Total liabilities measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Mortgage loans held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Residential Mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Securities available-for-sale. | U.S. agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Securities available-for-sale. | Corporate securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Securities available-for-sale. | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Securities available-for-sale. | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Securities available-for-sale. | U.S. Small Business Administration securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Derivative | Mandatory and best effort forward commitments with investors
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Derivative | Forward TBA mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Derivative | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Total liabilities measured at fair value		0
Fair Value, Measurements, Recurring | Level 1 | Derivative | Interest rate lock commitments with customers
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value		0
Total liabilities measured at fair value	0
Fair Value, Measurements, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	277,159	413,335
Total liabilities measured at fair value	0	(155)
Fair Value, Measurements, Recurring | Level 2 | Mortgage loans held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	23,447	125,810
Fair Value, Measurements, Recurring | Level 2 | Residential Mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, at fair value	14,198	16,083
Fair Value, Measurements, Recurring | Level 2 | Securities available-for-sale. | U.S. agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	18,137	20,970
Fair Value, Measurements, Recurring | Level 2 | Securities available-for-sale. | Corporate securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	8,616	7,995
Fair Value, Measurements, Recurring | Level 2 | Securities available-for-sale. | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	116,644	135,302
Fair Value, Measurements, Recurring | Level 2 | Securities available-for-sale. | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	71,077	89,402
Fair Value, Measurements, Recurring | Level 2 | Securities available-for-sale. | U.S. Small Business Administration securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	13,468	16,552
Fair Value, Measurements, Recurring | Level 2 | Derivative | Mandatory and best effort forward commitments with investors
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 2 | Derivative | Forward TBA mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	1,154	53
Fair Value, Measurements, Recurring | Level 2 | Derivative | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	10,418	1,168
Total liabilities measured at fair value		(155)
Fair Value, Measurements, Recurring | Level 2 | Derivative | Interest rate lock commitments with customers
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value		0
Total liabilities measured at fair value	0
Fair Value, Measurements, Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	294	2,703
Total liabilities measured at fair value	(172)	0
Fair Value, Measurements, Recurring | Level 3 | Mortgage loans held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Residential Mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans receivable, at fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Securities available-for-sale. | U.S. agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Securities available-for-sale. | Corporate securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	1,007
Fair Value, Measurements, Recurring | Level 3 | Securities available-for-sale. | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	131
Fair Value, Measurements, Recurring | Level 3 | Securities available-for-sale. | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Securities available-for-sale. | U.S. Small Business Administration securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Derivative | Mandatory and best effort forward commitments with investors
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	294	808
Fair Value, Measurements, Recurring | Level 3 | Derivative | Forward TBA mortgage backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Derivative | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value	0	0
Total liabilities measured at fair value		0
Fair Value, Measurements, Recurring | Level 3 | Derivative | Interest rate lock commitments with customers
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value		$ 757
Total liabilities measured at fair value	$ (172)