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Stock-Based Compensation Plans and Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2022

Share-based Payment Arrangement [Abstract]

Schedule of performance incentive plans

The following is a summary of the status of the Company’s equity-classified iPIP plans and changes during the nine months ended September 30, 2022.

​	​	​	​	​
​	​	iPIP Investment Pool
​		2019-2020		2021-2022
Points at beginning of period		95.20		84.75
Granted	​	—	​	7.95
Forfeited		—		(0.95)
Points at end of period		95.20		91.75

The following is a summary of the status of the Company’s liability-classified iPIP plans and changes during the nine months ended September 30, 2022.

​	​	​	​	​	​	​
​	​	iPIP Investment Pool
​		2013‑2014		2015‑2016(1)		2017‑2018
Points at beginning of period		80.17		70.40		75.34
Granted	​	—	​	—	​	—
Points at end of period		80.17		70.40		75.34

(1) As of September 30, 2022, all awards under the 2015-2016 Plan had been paid.

Schedule of restricted stock units activity

​	​	​
Nonvested at beginning of period	​	754
Granted	​	221
Vested	​	(316)
Forfeited	​	(19)
Nonvested at end of period		640

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Schedule Of Share-Based Compensation, Performance Incentive Plans, Activity [Table Text Block]

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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