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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2021

Stockholders' equity:

Schedule of dividend activity

During the nine months ended September 30, 2021 the Corporation had the following dividend activity:

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Date	​	Date of	​	Date	​	​	Quarterly	​	​	Special
Declared		Record	​	Paid	​	​	Dividend	​	​	Dividend
January 28, 2021	​	February 8, 2021	​	February 22, 2021	​	$	0.125	​	$	—
February 16, 2021	​	March 1, 2021	​	March 15, 2021	​	​	—	​	​	1.00
April 22, 2021	​	May 10, 2021	​	May 17, 2021	​	​	0.125	​	​	—
July 22, 2021	​	August 9, 2021	​	August 16, 2021	​	​	0.125	​	​	—

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