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INVESTMENT SECURITIES - Continuous Unrealized Loss on Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Gross unrealized losses	$ (1,513)	$ (486)
Less than 12 months, Fair value	77,013	26,711
Twelve months or more, Gross unrealized losses	(458)	(327)
Twelve months or more, Fair value	21,764	16,790
Total, Gross unrealized losses	(1,971)	(813)
Total, Fair value	98,777	43,501
Residential mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Gross unrealized losses	(65)	(7)
Less than 12 months, Fair value	1,126	1,196
Twelve months or more, Gross unrealized losses	(227)	(185)
Twelve months or more, Fair value	1,346	1,432
Total, Gross unrealized losses	(292)	(192)
Total, Fair value	2,472	2,628
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Gross unrealized losses	(94)	(8)
Less than 12 months, Fair value	8,932	925
Twelve months or more, Gross unrealized losses	0	0
Twelve months or more, Fair value	0	0
Total, Gross unrealized losses	(94)	(8)
Total, Fair value	8,932	925
Residential collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Gross unrealized losses	(841)	(95)
Less than 12 months, Fair value	31,525	7,391
Twelve months or more, Gross unrealized losses	0	0
Twelve months or more, Fair value	0	0
Total, Gross unrealized losses	(841)	(95)
Total, Fair value	31,525	7,391
Commercial collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Gross unrealized losses	(196)	(39)
Less than 12 months, Fair value	8,595	6,687
Twelve months or more, Gross unrealized losses	(169)	(142)
Twelve months or more, Fair value	16,550	15,358
Total, Gross unrealized losses	(365)	(181)
Total, Fair value	25,145	22,045
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Gross unrealized losses	(317)	(337)
Less than 12 months, Fair value	26,835	10,512
Twelve months or more, Gross unrealized losses	(62)	0
Twelve months or more, Fair value	3,868	0
Total, Gross unrealized losses	(379)	(337)
Total, Fair value	$ 30,703	$ 10,512

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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