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INVESTMENT SECURITIES (Schedule of Securities with Unrealized/Unrecognized Losses) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) item	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) item	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) item
Held-to-Maturity Securities
Total, Unrealized/Unrecognized Losses	$ 0		$ 0
Number of securities of one issuer | item	0		0		0
Impairment loss	$ 0	$ 0	$ 0	$ 0
Available-for-Sale Securities
Available-for-Sale Securities
Less than 12 Months, Estimated Fair Value	23,493		23,493		$ 66,483
Less than 12 Months, Unrealized/Unrecognized Losses	(87)		(87)		(1,514)
12 months or more, Estimated Fair Value	320,625		320,625		358,156
12 months or more, Unrealized/Unrecognized Losses	(59,341)		(59,341)		(76,334)
Total, Estimated Fair Value	344,118		344,118		424,639
Total, Unrealized/Unrecognized Losses	(59,428)		(59,428)		(77,848)
Held-to-Maturity Securities
Held-to-Maturity Securities
12 months or more, Estimated Fair Value	329,762		329,762		366,719
12 months or more, Unrealized/Unrecognized Losses	(46,684)		(46,684)		(61,838)
Total, Estimated Fair Value	329,762		329,762		366,719
Total, Unrealized/Unrecognized Losses	(46,684)		(46,684)		(61,838)
U.S. Government agency securities | Available-for-Sale Securities
Available-for-Sale Securities
12 months or more, Estimated Fair Value	37,852		37,852		63,752
12 months or more, Unrealized/Unrecognized Losses	(2,148)		(2,148)		(4,247)
Total, Estimated Fair Value	37,852		37,852		63,752
Total, Unrealized/Unrecognized Losses	(2,148)		(2,148)		(4,247)
U.S. Treasury securities | Held-to-Maturity Securities
Held-to-Maturity Securities
12 months or more, Estimated Fair Value	9,909		9,909		29,528
12 months or more, Unrealized/Unrecognized Losses	(74)		(74)		(410)
Total, Estimated Fair Value	9,909		9,909		29,528
Total, Unrealized/Unrecognized Losses	(74)		(74)		(410)
U.S. State and Municipal securities | Available-for-Sale Securities
Available-for-Sale Securities
12 months or more, Estimated Fair Value	9,640		9,640		9,500
12 months or more, Unrealized/Unrecognized Losses	(1,584)		(1,584)		(1,841)
Total, Estimated Fair Value	9,640		9,640		9,500
Total, Unrealized/Unrecognized Losses	(1,584)		(1,584)		(1,841)
U.S. State and Municipal securities | Held-to-Maturity Securities
Held-to-Maturity Securities
12 months or more, Estimated Fair Value	13,336		13,336		13,633
12 months or more, Unrealized/Unrecognized Losses	(1,794)		(1,794)		(1,686)
Total, Estimated Fair Value	13,336		13,336		13,633
Total, Unrealized/Unrecognized Losses	(1,794)		(1,794)		(1,686)
Residential MBS | Available-for-Sale Securities
Available-for-Sale Securities
Less than 12 Months, Estimated Fair Value	12,696		12,696		46,859
Less than 12 Months, Unrealized/Unrecognized Losses	(70)		(70)		(1,104)
12 months or more, Estimated Fair Value	247,336		247,336		258,763
12 months or more, Unrealized/Unrecognized Losses	(53,491)		(53,491)		(67,650)
Total, Estimated Fair Value	260,032		260,032		305,622
Total, Unrealized/Unrecognized Losses	(53,561)		(53,561)		(68,754)
Residential MBS | Held-to-Maturity Securities
Held-to-Maturity Securities
12 months or more, Estimated Fair Value	299,023		299,023		316,366
12 months or more, Unrealized/Unrecognized Losses	(44,258)		(44,258)		(58,866)
Total, Estimated Fair Value	299,023		299,023		316,366
Total, Unrealized/Unrecognized Losses	(44,258)		(44,258)		(58,866)
Commercial MBS | Available-for-Sale Securities
Available-for-Sale Securities
Less than 12 Months, Estimated Fair Value	10,797		10,797		19,624
Less than 12 Months, Unrealized/Unrecognized Losses	(17)		(17)		(410)
12 months or more, Estimated Fair Value	23,391		23,391		23,504
12 months or more, Unrealized/Unrecognized Losses	(2,046)		(2,046)		(2,556)
Total, Estimated Fair Value	34,188		34,188		43,128
Total, Unrealized/Unrecognized Losses	(2,063)		(2,063)		(2,966)
Commercial MBS | Held-to-Maturity Securities
Held-to-Maturity Securities
12 months or more, Estimated Fair Value	7,494		7,494		7,192
12 months or more, Unrealized/Unrecognized Losses	(558)		(558)		(876)
Total, Estimated Fair Value	7,494		7,494		7,192
Total, Unrealized/Unrecognized Losses	(558)		(558)		(876)
Asset-backed securities | Available-for-Sale Securities
Available-for-Sale Securities
12 months or more, Estimated Fair Value	2,406		2,406		2,637
12 months or more, Unrealized/Unrecognized Losses	(72)		(72)		(40)
Total, Estimated Fair Value	2,406		2,406		2,637
Total, Unrealized/Unrecognized Losses	$ (72)		$ (72)		$ (40)

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