Investment Securities (Tables)

6 Months Ended

Jun. 30, 2022

Investment Securities [Abstract]

Amortized Cost And Estimated Fair Values Of AFS Investment Securities

	June 30, 2022
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(in thousands)	Cost		Gains		Losses		Value
State and municipals	$	321,725	$	634	$	(14,349)	$	308,010
Pass-through mortgage securities		184,001		2		(25,184)		158,819
Collateralized mortgage obligations		126,937		115		(14,490)		112,562
Corporate bonds		119,000		—		(9,122)		109,878
	$	751,663	$	751	$	(63,145)	$	689,269
	December 31, 2021
State and municipals	$	315,747	$	11,600	$	(176)	$	327,171
Pass-through mortgage securities		187,494		54		(4,591)		182,957
Collateralized mortgage obligations		109,254		67		(3,239)		106,082
Corporate bonds		119,000		—		(892)		118,108
	$	731,495	$	11,721	$	(8,898)	$	734,318

Securities With A Continuous Unrealized Loss Position

	June 30, 2022
	Less than				12 Months
	12 Months				or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(in thousands)	Value		Loss		Value		Loss		Value		Loss
State and municipals	$	173,244	$	(12,585)	$	4,040	$	(1,764)	$	177,284	$	(14,349)
Pass-through mortgage securities		47,404		(4,874)		111,182		(20,310)		158,586		(25,184)
Collateralized mortgage obligations		21,050		(3,222)		63,477		(11,268)		84,527		(14,490)
Corporate bonds		81,540		(6,460)		28,338		(2,662)		109,878		(9,122)
Total temporarily impaired	$	323,238	$	(27,141)	$	207,037	$	(36,004)	$	530,275	$	(63,145)
	December 31, 2021
State and municipals	$	18,429	$	(176)	$	—	$	—	$	18,429	$	(176)
Pass-through mortgage securities		179,575		(4,529)		1,641		(62)		181,216		(4,591)
Collateralized mortgage obligations		99,305		(3,239)		—		—		99,305		(3,239)
Corporate bonds		87,620		(380)		30,488		(512)		118,108		(892)
Total temporarily impaired	$	384,929	$	(8,324)	$	32,129	$	(574)	$	417,058	$	(8,898)

Sales Of Available-For-Sale Securities

	Six Months Ended				Three Months Ended
	June 30,				June 30,
(in thousands)	2022		2021		2022		2021
Proceeds	$	—	$	54,192	$	—	$	—
Gains	$	—	$	622	$	—	$	—
Losses		—		(16)		—		—
Net gain	$	—	$	606	$	—	$	—

Maturities

(in thousands)	Amortized Cost		Fair Value
Within one year	$	10,854	$	10,892
After 1 through 5 years		87,723		87,683
After 5 through 10 years		210,440		199,821
After 10 years		131,708		119,492
Mortgage-backed securities		310,938		271,381
	$	751,663	$	689,269