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SUBSEQUENT EVENTS:	9 Months Ended
	Sep. 30, 2021
SUBSEQUENT EVENTS:
SUBSEQUENT EVENTS:	​ ​ NOTE 15 — SUBSEQUENT EVENTS: ​ Dividends: ​ On October 21, 2021, the Board of Directors authorized a dividend of $1.00 per share payable on November 23, 2021 to shareholders of record at the close of business on November 10, 2021. ​

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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