Investment Securities (Tables)

3 Months Ended

Mar. 31, 2022

Investment Securities [Abstract]

Schedule Of Investment Securities Classified As Available-for-sale And Held-to-maturity

 

Available-for-sale	March 31, 2022
			Gross		Gross
	Amortized		unrealized		unrealized		Fair
	cost		gains		losses		value
U.S. Government agency securities	$	30,583	$	30	$	(407)	$	30,206
Asset-backed securities *		358,550		12		(2,223)		356,339
Tax-exempt obligations of states and political subdivisions		3,559		28		(4)		3,583
Taxable obligations of states and political subdivisions		45,750		453		—		46,203
Residential mortgage-backed securities		169,062		761		(2,724)		167,099
Collateralized mortgage obligation securities		54,252		60		(486)		53,826
Commercial mortgage-backed securities		248,765		162		(5,535)		243,392
Corporate debt securities		10,000		—		(3,310)		6,690
	$	920,521	$	1,506	$	(14,689)	$	907,338

	March 31, 2022
			Gross		Gross
	Amortized		unrealized		unrealized		Fair
* Asset-backed securities as shown above	cost		gains		losses		value
Federally insured student loan securities	$	21,351	$	3	$	(92)	$	21,262
Collateralized loan obligation securities		337,199		9		(2,131)		335,077
	$	358,550	$	12	$	(2,223)	$	356,339

Available-for-sale	December 31, 2021
			Gross		Gross
	Amortized		unrealized		unrealized		Fair
	cost		gains		losses		value
U.S. Government agency securities	$	36,182	$	1,167	$	(47)	$	37,302
Asset-backed securities *		360,332		327		(241)		360,418
Tax-exempt obligations of states and political subdivisions		3,559		172		—		3,731
Taxable obligations of states and political subdivisions		45,984		2,422		—		48,406
Residential mortgage-backed securities		179,778		4,804		(281)		184,301
Collateralized mortgage obligation securities		60,778		1,083		—		61,861
Commercial mortgage-backed securities		248,599		4,106		(1,629)		251,076
Corporate debt securities		10,000		—		(3,386)		6,614
	$	945,212	$	14,081	$	(5,584)	$	953,709

	December 31, 2021
			Gross		Gross
	Amortized		unrealized		unrealized		Fair
* Asset-backed securities as shown above	cost		gains		losses		value
Federally insured student loan securities	$	22,518	$	13	$	(73)	$	22,458
Collateralized loan obligation securities		337,814		314		(168)		337,960
	$	360,332	$	327	$	(241)	$	360,418

Amortized Cost And Fair Value Of Investment Securities By Contractual Maturity

	Available-for-sale
	Amortized		Fair
	cost		value
Due before one year	$	20,665	$	20,797
Due after one year through five years		142,703		142,324
Due after five years through ten years		220,456		218,540
Due after ten years		536,697		525,677
	$	920,521	$	907,338

Available-for-sale And Held-to-maturity Securities, Continuous Unrealized Loss Position

Available-for-sale		Less than 12 months				12 months or longer				Total
	Number of securities		Fair Value		Unrealized losses		Fair Value		Unrealized losses		Fair Value		Unrealized losses
Description of Securities
U.S. Government agency securities	12	$	25,675	$	(363)	$	2,456	$	(44)	$	28,131	$	(407)
Asset-backed securities	55		310,173		(2,044)		29,190		(179)		339,363		(2,223)
Tax-exempt obligations of states and
political subdivisions	1		1,156		(4)		—		—		1,156		(4)
Residential mortgage-backed securities	100		92,267		(2,397)		5,937		(327)		98,204		(2,724)
Collateralized mortgage obligation securities	18		45,203		(486)		—		—		45,203		(486)
Commercial mortgage-backed securities	34		107,595		(1,647)		88,949		(3,888)		196,544		(5,535)
Corporate debt securities	1		—		—		6,690		(3,310)		6,690		(3,310)
Total unrealized loss position
investment securities	221	$	582,069	$	(6,941)	$	133,222	$	(7,748)	$	715,291	$	(14,689)

The table below indicates the length of time individual securities had been in a continuous unrealized loss position at December 31, 2021 (dollars in thousands):

Available-for-sale		Less than 12 months				12 months or longer				Total
	Number of securities		Fair Value		Unrealized losses		Fair Value		Unrealized losses		Fair Value		Unrealized losses
Description of Securities
U.S. Government agency securities	2	$	—	$	—	$	2,700	$	(47)	$	2,700	$	(47)
Asset-backed securities	42		243,598		(235)		1,197		(6)		244,795		(241)
Residential mortgage-backed securities	30		21,640		(159)		5,160		(122)		26,800		(281)
Commercial mortgage-backed securities	12		3,334		(43)		91,355		(1,586)		94,689		(1,629)
Corporate debt securities	1		—		—		6,614		(3,386)		6,614		(3,386)
Total unrealized loss position
investment securities	87	$	268,572	$	(437)	$	107,026	$	(5,147)	$	375,598	$	(5,584)