Investments in Securities (Tables)

12 Months Ended

Dec. 31, 2021

Investments in Securities

Investment Securities

	December 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(In Thousands)
Agency mortgage-backed securities	$	219,624	$	10,561	$	744	$	229,441
Agency collateralized mortgage obligations		204,332		2,443		2,498		204,277
States and political subdivisions securities		38,440		1,618		43		40,015
Small Business Administration securities		26,802		497		—		27,299
	$	489,198	$	15,119	$	3,285	$	501,032

	December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(In Thousands)
Agency mortgage-backed securities	$	151,106	$	19,665	$	831	$	169,940
Agency collateralized mortgage obligations		168,472		8,524		375		176,621
States and political subdivisions securities		45,196		2,135		6		47,325
Small Business Administration securities		20,033		1,014		—		21,047
	$	384,807	$	31,338	$	1,212	$	414,933

Investments Classified by Contractual Maturity Date

	Amortized		Fair
	Cost		Value
	(In Thousands)
After one through five years	$	1,002	$	1,040
After five through ten years		9,200		9,847
After ten years		28,238		29,128
Securities not due on a single maturity date		450,758		461,017
	$	489,198	$	501,032

Schedule of Financial Instruments Owned and Pledged as Collateral

	2021				2020
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
	(In Thousands)
Public deposits	$	4,742	$	5,029	$	5,674	$	5,962
Collateralized borrowing accounts		133,242		139,112		188,309		201,818
Other		6,257		6,461		6,413		6,819
	$	144,241	$	150,602	$	200,396	$	214,599

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value

	2021
	Less than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
Description of Securities	Value		Losses		Value		Losses		Value		Losses
	(In Thousands)
Agency mortgage-backed securities	$	47,769	$	(388)	$	10,583	$	(356)	$	58,352	$	(744)
Agency collateralized mortgage obligations		92,727		(1,588)		16,298		(910)		109,025		(2,498)
States and political subdivisions securities		6,537		(43)		—		—		6,537		(43)
	$	147,033	$	(2,019)	$	26,881	$	(1,266)	$	173,914	$	(3,285)

	2020
	Less than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
Description of Securities	Value		Losses		Value		Losses		Value		Losses
	(In Thousands)
Agency mortgage-backed securities	$	10,279	$	(831)	$	—	$	—	$	10,279	$	(831)
Agency collateralized mortgage obligations		12,727		(375)		—		—		12,727		(375)
States and political subdivisions securities		1,164		(6)		—		—		1,164		(6)
	$	24,170	$	(1,212)	$	—	$	—	$	24,170	$	(1,212)