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INVESTMENT SECURITIES - Composition, Repricing and Yield Information of Investment Securities (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Fair Value
One year or less	$ 0
More than One Year through Five Years	0
More than Five Years through Ten Years	24,039
More than Ten Years	238,421
Total	$ 262,460
Weighted-Average Yield
One year or less	0.00%
More than One Year through Five Years	0.00%
More than Five Years through Ten Years	2.29%
More than Ten Years	2.69%
Total	2.65%
Fair Value
Within one year	$ 493,321
One to five years	161,681
Five to ten years	37,796
Greater than ten years	175,499
Total	$ 868,297
Weighted-Average Yield
One year or less	5.78%
More than One Year through Five Years	4.74%
More than Five Years through Ten Years	3.69%
More than Ten Years	4.42%
Total	5.20%
SBA loan pools securities
Fair Value
Within one year	$ 11,187
One to five years	0
Five to ten years	0
Greater than ten years	0
Total	$ 11,187
Weighted-Average Yield
One year or less	3.18%
More than One Year through Five Years	0.00%
More than Five Years through Ten Years	0.00%
More than Ten Years	0.00%
Total	3.18%
U.S. government agency and U.S. government sponsored enterprise residential mortgage-backed securities
Fair Value
One year or less	$ 0
More than One Year through Five Years	0
More than Five Years through Ten Years	7,987
More than Ten Years	115,239
Total	$ 123,226
Weighted-Average Yield
One year or less	0.00%
More than One Year through Five Years	0.00%
More than Five Years through Ten Years	2.52%
More than Ten Years	2.70%
Total	2.69%
Fair Value
Within one year	$ 0
One to five years	0
Five to ten years	0
Greater than ten years	40,206
Total	$ 40,206
Weighted-Average Yield
One year or less	0.00%
More than One Year through Five Years	0.00%
More than Five Years through Ten Years	0.00%
More than Ten Years	5.59%
Total	5.59%
U.S. government agency and U.S. government sponsored enterprise collateralized mortgage obligations
Fair Value
One year or less	$ 0
More than One Year through Five Years	0
More than Five Years through Ten Years	0
More than Ten Years	49,458
Total	$ 49,458
Weighted-Average Yield
One year or less	0.00%
More than One Year through Five Years	0.00%
More than Five Years through Ten Years	0.00%
More than Ten Years	2.64%
Total	2.64%
Fair Value
Within one year	$ 5,531
One to five years	7,941
Five to ten years	24,918
Greater than ten years	54,801
Total	$ 93,191
Weighted-Average Yield
One year or less	4.65%
More than One Year through Five Years	3.24%
More than Five Years through Ten Years	2.76%
More than Ten Years	4.80%
Total	4.04%
Municipal securities
Fair Value
One year or less	$ 0
More than One Year through Five Years	0
More than Five Years through Ten Years	16,052
More than Ten Years	73,724
Total	$ 89,776
Weighted-Average Yield
One year or less	0.00%
More than One Year through Five Years	0.00%
More than Five Years through Ten Years	2.19%
More than Ten Years	2.71%
Total	2.62%
Non-agency residential mortgage-backed securities
Fair Value
Within one year	$ 0
One to five years	0
Five to ten years	0
Greater than ten years	80,492
Total	$ 80,492
Weighted-Average Yield
One year or less	0.00%
More than One Year through Five Years	0.00%
More than Five Years through Ten Years	0.00%
More than Ten Years	3.68%
Total	3.68%
Collateralized loan obligations
Fair Value
Within one year	$ 476,603
One to five years	0
Five to ten years	0
Greater than ten years	0
Total	$ 476,603
Weighted-Average Yield
One year or less	5.85%
More than One Year through Five Years	0.00%
More than Five Years through Ten Years	0.00%
More than Ten Years	0.00%
Total	5.85%
Corporate debt securities
Fair Value
Within one year	$ 0
One to five years	153,740
Five to ten years	12,878
Greater than ten years	0
Total	$ 166,618
Weighted-Average Yield
One year or less	0.00%
More than One Year through Five Years	4.82%
More than Five Years through Ten Years	5.73%
More than Ten Years	0.00%
Total	4.89%

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