Retirement Plans - Amounts Expected to be Recognized as Components of Net Periodic Pension Costs (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Amounts expected to be recognized as component of net periodic pension costs during the next fiscal year:
Net periodic pension benefit/(cost)	$ (288)
Pension plan
Amounts expected to be recognized as component of net periodic pension costs during the next fiscal year:
Expected return on plan assets	752
Interest cost	(291)
Amortization of net gain/(loss)	(73)
Net periodic pension benefit/(cost)	388
SERP liability adjustments
Amounts expected to be recognized as component of net periodic pension costs during the next fiscal year:
Interest cost	(163)
Amortization of net gain/(loss)	$ (125)

Defined Benefit Plan, Expected Interest Cost, Next Fiscal Year

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- Definition

Defined Benefit Plan, Expected Net Period Benefit Cost (Credit), Next Fiscal Year

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- Definition

Defined Benefit Plan, Expected Return on Plan Assets, Next Fiscal Year

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- Definition

Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (s)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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