Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2021

Pension [Member]

Components of Net Periodic Pension Plan Cost

	Nine Months Ended				Three Months Ended
Pension Plan	September 30,				September 30,
(in thousands)	2021		2020		2021		2020
Service cost	$	117	$	169	$	39	$	57
Interest cost		1,066		1,219		355		406
Expected return on assets		(2,677)		(2,661)		(892)		(887)
Amortization of net actuarial loss		1,116		1,074		372		358
Net pension credit included in employee benefits and other expense	$	(378)	$	(199)	$	(126)	$	(66)

SERP [Member]

Components of Net Periodic Pension Plan Cost

	Nine Months Ended				Three Months Ended
Defined Benefit SERP	September 30,				September 30,
(in thousands)	2021		2020		2021		2020
Service cost	$	104	$	93	$	35	$	31
Interest cost		179		201		60		67
Amortization of recognized loss		226		141		75		47
Amortization of prior service cost		(1)		(2)		—		(1)
Net Defined Benefit SERP expense included in employee benefits and other expense	$	508	$	433	$	170	$	144