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Employee Benefit Plans (Schedule of Fair Value of Other Benefits Plan Assets) (Details) - Other Benefits Plan [Member] - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Fair value of plan assets	$ 50,668	$ 44,892
Debt Securities [Member]
Fair value of plan assets	15,533	13,788
Money Market Funds [Member]
Fair value of plan assets	1,291	3,696
Mutual Funds [Member]
Fair value of plan assets	33,844	27,408
Fair Value, Level 1 [Member]
Fair value of plan assets	35,135	31,104
Fair Value, Level 1 [Member] | Debt Securities [Member]
Fair value of plan assets
Fair Value, Level 1 [Member] | Money Market Funds [Member]
Fair value of plan assets	1,291	3,696
Fair Value, Level 1 [Member] | Mutual Funds [Member]
Fair value of plan assets	33,844	27,408
Fair Value, Level 2 [Member]
Fair value of plan assets	15,533	13,788
Fair Value, Level 2 [Member] | Debt Securities [Member]
Fair value of plan assets	15,533	13,788
Fair Value, Level 2 [Member] | Money Market Funds [Member]
Fair value of plan assets
Fair Value, Level 2 [Member] | Mutual Funds [Member]
Fair value of plan assets
Fair Value, Level 3 [Member]
Fair value of plan assets
Fair Value, Level 3 [Member] | Debt Securities [Member]
Fair value of plan assets
Fair Value, Level 3 [Member] | Money Market Funds [Member]
Fair value of plan assets
Fair Value, Level 3 [Member] | Mutual Funds [Member]
Fair value of plan assets

X

- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(ii)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 55
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-URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(02)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

+ Details

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