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SECURITIES - Available-for-sale Securities With Unrealized Loss Positions (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	$ 26,058	$ 53,233
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(69)	(336)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	0	53,990
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	0	(626)
Available-for-sale securities with unrealized loss positions, fair value	26,058	107,223
Available-for-sale securities, with unrealized loss positions, unrealized losses	(69)	(962)
Obligations of the U.S. Treasury
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	9,159
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(2)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	0
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	0
Available-for-sale securities with unrealized loss positions, fair value	9,159
Available-for-sale securities, with unrealized loss positions, unrealized losses	(2)
Obligations of U.S. Government agencies
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	4,992
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(8)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	0
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	0
Available-for-sale securities with unrealized loss positions, fair value	4,992
Available-for-sale securities, with unrealized loss positions, unrealized losses	(8)
Obligations Of States And Political Subdivisions Tax Exempt
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	3,811	6,429
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(26)	(38)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	0	0
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	0	0
Available-for-sale securities with unrealized loss positions, fair value	3,811	6,429
Available-for-sale securities, with unrealized loss positions, unrealized losses	(26)	(38)
Obligations Of States And Political Subdivisions Taxable
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	5,235	5,624
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(24)	(68)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	0	161
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	0	(2)
Available-for-sale securities with unrealized loss positions, fair value	5,235	5,785
Available-for-sale securities, with unrealized loss positions, unrealized losses	(24)	(70)
Residential Passthrough Securities
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value		9,771
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses		(35)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value		14,787
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses		(102)
Available-for-sale securities with unrealized loss positions, fair value		24,558
Available-for-sale securities, with unrealized loss positions, unrealized losses		(137)
Residential Collateralized Mortgage Obligations
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	2,861	31,409
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(9)	(195)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	0	30,535
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	0	(415)
Available-for-sale securities with unrealized loss positions, fair value	2,861	61,944
Available-for-sale securities, with unrealized loss positions, unrealized losses	$ (9)	(610)
Commercial Mortgage Backed Securities
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value		0
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses		0
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value		8,507
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses		(107)
Available-for-sale securities with unrealized loss positions, fair value		8,507
Available-for-sale securities, with unrealized loss positions, unrealized losses		$ (107)

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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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