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Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	RSU Awards				​	​	PRSU Awards
​	​	​	​	Weighted-Average		​	​	​	​	Weighted-Average
​	​	​	​	Grant-Date		​	​	​	​	Grant-Date
​		Shares		Fair Value		​	​	Shares		Fair Value
Non-vested at December 31, 2018		502,658	​	$	24.93	​	​	—	​	$	—
Granted		263,574	​		22.38	​	​	67,352	​		22.38
Vested		(307,207)	​		23.47	​	​	(33,166)	​		22.38
Forfeited		(30,730)	​		24.76	​	​	—	​		—
Non-vested at December 31, 2019		428,295	​	$	24.42	​	​	34,186	​	$	22.38
​	​	​	​	​	​	​	​	​	​	​	​
Vested but unissued at December 31, 2019		257,372	​	$	24.62	​	​	27,366	​	$	22.38

Share-based Compensation, Activity [Table Text Block]

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​	​	​	​	​	​
Phantom Stock Plan		Shares		Fair Value
Outstanding at December 31, 2018		99,313	​	$	21.53
Granted		11,336	​		21.93
Distributions		(1,423)	​		21.92
Outstanding at December 31, 2019		109,226	​	$	21.61
Vested at December 31, 2019		108,974	​	$	21.61

X

- Definition

Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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