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Subsequent Events	9 Months Ended
	Sep. 30, 2023
Subsequent Events
Subsequent Events	10.  Subsequent Events ​ On October 6, 2023, the Board of Directors of the Company declared a cash distribution of $0.01 per share of common stock payable on November 9, 2023 to stockholders of record on October 20, 2023. ​ On October 26, 2023, the Company sold an office building located in Plano, Texas, for a sales price of $48.0 million at a gain of approximately $10.6 million. ​ ​

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- Definition

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
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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