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Equity Based Plans - Summary (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation [Abstract]
Shares outstanding for which restrictions had not lapsed (in shares)	102,682	127,562
Restricted Stock [Member]
Share-based Compensation [Abstract]
Compensation expense	$ 7.8	$ 7.9	$ 7.0
Compensation not yet recognized	$ 8.9
Employees [Member]
Share-based Compensation [Abstract]
Restricted period on the stock granted	4 years
Executive Officer [Member]
Share-based Compensation [Abstract]
Restricted period on the stock granted	4 years
Maximum [Member]
Share-based Compensation [Abstract]
Restrictions will lapse in	2025
Minimum [Member]
Share-based Compensation [Abstract]
Restrictions will lapse in	2022

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

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