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Leases (Supplemental balance sheet information related to leases) (Details)	Dec. 31, 2021	Dec. 31, 2020
Weighted average remaining lease term (years)
Operating lease, weighted average remaining lease term	5 years	8 years 3 months 18 days
Finance lease, weighted average remaining lease term	15 years 3 months 18 days	15 years 6 months
Weighted average discount rate
Operating lease, weighted average discount rate (in percentage)	3.50%	6.60%
Finance lease, weighted average discount rate (in percentage)	6.50%	6.50%

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Leases, Weighted Average Discount Rate [Abstract]

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Weighted Average Remaining Lease Term [Abstract]

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

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