Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2021

Summary Of Contributions To Defined Benefit Pension Plans

	Years Ended December 31,
(Dollars in thousands)	2021		2020		2019
Company contributions	$	3,821	$	6,825	$	4,750

Summary Of Accumulated Benefit Obligation

	At December 31,
(Dollars in thousands)	2021		2020
Qualified Plan	$	339,360	$	336,027
Non-qualified Plan		12,190		16,258
Total	$	351,550	$	352,285
(Some amounts may not reconcile due to rounding.)

Projected Benefit Obligations In Excess Of Plan Assets

	At December 31,
(Dollars in thousands)	2021		2020
Qualified Plan
Projected benefit obligation	$	390,437	$	388,213
Fair value of plan assets		377,303		354,464
Non-qualified Plan
Projected benefit obligation	$	12,190	$	16,258
Fair value of plan assets		-		-

Accumulated Benefit Obligations In Excess Of Plan Assets

	At December 31,
(Dollars in thousands)	2021		2020
Qualified Plan
Accumulated benefit obligation	$	-	$	-
Fair value of plan assets		-		-
Non-qualified Plan
Accumulated benefit obligation	$	12,189	$	16,258
Fair value of plan assets		-		-

Defined Benefit Pension Plan [Member]

Summary Of Pension Expenses

	Years Ended December 31,
(Dollars in thousands)	2021		2020		2019
Pension expense	$	3,388	$	8,429	$	10,042

Summary Of Status Of Plan

	Years Ended December 31,
(Dollars in thousands)	2021		2020
Change in projected benefit obligation:
Benefit obligation at beginning of year	$	404,471	$	355,356
Service cost		10,637		9,522
Interest cost		8,253		10,112
Actuarial (gain)/loss		(8,587)		43,595
Curtailment		-		-
Benefits paid		(12,147)		(14,115)
Projected benefit obligation at end of year		402,626		404,471
Change in plan assets:
Fair value of plan assets at beginning of year		354,464		301,467
Actual return on plan assets		31,166		60,286
Actual contributions during the year		3,821		6,825
Administrative expenses paid		-		-
Benefits paid		(12,147)		(14,115)
Fair value of plan assets at end of year		377,303		354,464
Funded status at end of year	$	(25,323)	$	(50,007)
(Some amounts may not reconcile due to rounding.)

Amounts Recognized In The Consolidated Balance Sheets

	At December 31,
(Dollars in thousands)	2021		2020
Other assets (due beyond one year)	$	-	$	-
Other liabilities (due within one year)		(1,469)		(2,197)
Other liabilities (due beyond one year)		(23,854)		(47,810)
Net amount recognized in the consolidated balance sheets	$	(25,323)	$	(50,007)
(Some amounts may not reconcile due to rounding.)

Amounts Not Yet Reflected In Net Periodic Benefit Cost And Included In Accumulated Other Comprehensive Income (Loss)

	At December 31,
(Dollars in thousands)	2021		2020
Accumulated income (loss)	$	(67,729)	$	(91,979)
Accumulated other comprehensive income (loss)	$	(67,729)	$	(91,979)
(Some amounts may not reconcile due to rounding.)

Other Changes In Other Comprehensive Income (Loss)

	Years Ended December 31,
(Dollars in thousands)	2021		2020
Other comprehensive income (loss) at December 31, prior year	$	(91,979)	$	(97,466)
Net gain (loss) arising during period		15,298		(4,090)
Recognition of amortizations in net periodic benefit cost:
Actuarial loss		8,953		9,576
Curtailment loss recognized		-		-
Other comprehensive income (loss) at December 31, current year	$	(67,729)	$	(91,979)
(Some amounts may not reconcile due to rounding.)

Net Periodic Benefit Cost

	Years Ended December 31,
(Dollars in thousands)	2021		2020		2019
Service cost	$	10,637	$	9,522	$	8,255
Interest cost		8,253		10,112		11,712
Expected return on assets		(24,454)		(20,781)		(17,968)
Amortization of actuarial loss from earlier periods		8,489		8,551		7,635
Settlement		464		1,025		408
Net periodic benefit cost	$	3,388	$	8,429	$	10,042
Other changes recognized in other comprehensive income (loss):
Other comprehensive income (loss) attributable to change from prior year		(24,251)		(5,486)
Total recognized in net periodic benefit cost and other
comprehensive income (loss)	$	(20,863)	$	2,943
(Some amounts may not reconcile due to rounding.)

Expected Benefit Payments

(Dollars in thousands)
2022	$	16,662
2023		12,639
2024		13,565
2025		14,550
2026		15,439
Next 5 years		95,005

Fair Value Measurement Levels For Qualified Plan Assets

			Fair Value Measurement Using:
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	December 31, 2021		(Level 1)		(Level 2)		(Level 3)
Assets:
Short-term investments, which approximates fair value (a)	$	2,540	$	2,540	$	-	$	-
Mutual funds, fair value
Fixed income (b)		84,663		84,663		-		-
Equities (c)		287,382		287,382		-		-
Total	$	374,585	$	374,585	$	-	$	-
(Some amounts may not reconcile due to rounding.)

(a) This category includes high quality, short-term money market instruments, which are issued and payable in U.S. dollars.

(b) This category includes fixed income funds, which invest in investment grade securities of corporations, governments and government agencies with approximately 70% in U.S. securities and 30% in international securities.

(c) This category includes funds, which invest in small, mid and multi-cap equity securities including common stocks, securities convertible into common stock and securities with common stock characteristics, such as rights and warrants, with approximately 50% in U.S. equities and 50% in international equities.

			Fair Value Measurement Using:
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	December 31, 2020		(Level 1)		(Level 2)		(Level 3)
Assets:
Short-term investments, which approximates fair value (a)	$	1,204	$	1,204	$	-	$	-
Mutual funds, fair value
Fixed income (b)		93,609		93,609		-		-
Equities (c)		255,054		255,054		-		-
Total	$	349,867	$	349,867	$	-	$	-
(Some amounts may not reconcile due to rounding.)

(a) This category includes high quality, short-term money market instruments, which are issued and payable in U.S. dollars.

(b) This category includes fixed income funds, which invest in investment grade securities of corporations, governments and government agencies with approximately 70% in U.S. securities and 30% in international securities.

(c) This category includes funds, which invest in small, mid and multi-cap equity securities including common stocks, securities convertible into common stock and securities with common stock characteristics, such as rights and warrants, with approximately 50% in U.S. equities and 50% in international equities.

Post-Retirement Plan [Member]

Summary Of Status Of Plan

	At December 31,
(Dollars in thousands)	2021		2020
Change in projected benefit obligation:
Benefit obligation at beginning of year	$	35,098	$	29,376
Service cost		1,096		1,066
Interest cost		641		845
Amendments		-		-
Actuarial (gain)/loss		(6,044)		4,042
Benefits paid		(267)		(232)
Benefit obligation at end of year		30,523		35,098
Change in plan assets:
Fair value of plan assets at beginning of year		-		-
Employer contributions		267		232
Benefits paid		(267)		(232)
Fair value of plan assets at end of year		-		-
Funded status at end of year	$	(30,523)	$	(35,098)

Amounts Recognized In The Consolidated Balance Sheets

	At December 31,
(Dollars in thousands)	2021		2020
Other liabilities (due within one year)	$	(682)	$	(613)
Other liabilities (due beyond one year)		(29,840)		(34,484)
Net amount recognized in the consolidated balance sheets	$	(30,523)	$	(35,098)
(Some amounts may not reconcile due to rounding.)

Amounts Not Yet Reflected In Net Periodic Benefit Cost And Included In Accumulated Other Comprehensive Income (Loss)

	At December 31,
(Dollars in thousands)	2021		2020
Accumulated income (loss)	$	2,191	$	(3,854)
Accumulated prior service credit (cost)		1,750		2,327
Accumulated other comprehensive income (loss)	$	3,941	$	(1,527)

Other Changes In Other Comprehensive Income (Loss)

	Years Ended December 31,
(Dollars in thousands)	2021		2020
Other comprehensive income (loss) at December 31, prior year	$	(1,527)	$	3,092
Net gain (loss) arising during period		6,044		(4,042)
Prior Service credit (cost) arising during period		-		-
Recognition of amortizations in net periodic benefit cost:
Actuarial loss (gain)		-		-
Prior service cost		(577)		(577)
Other comprehensive income (loss) at December 31, current year	$	3,941	$	(1,527)

Net Periodic Benefit Cost

	Years Ended December 31,
(Dollars in thousands)	2021		2020		2019
Service cost	$	1,096	$	1,066	$	983
Interest cost		641		845		980
Prior service credit recognition		(577)		(577)		(577)
Net gain recognition		-		-		(155)
Net periodic cost	$	1,161	$	1,334	$	1,231
Other changes recognized in other comprehensive income (loss):
Other comprehensive gain (loss) attributable to change from prior year		(5,468)		4,619
Total recognized in net periodic benefit cost and
other comprehensive income (loss)	$	(4,307)	$	5,953
(Some amounts may not reconcile due to rounding.)

Expected Benefit Payments

(Dollars in thousands)
2022	$	683
2023		779
2024		831
2025		974
2026		1,084
Next 5 years		7,252