Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of stock repurchase plan authorized.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Stockholders' Equity - Common Stock Dividends and Buyback Program (Details) - USD ($)	9 Months Ended		82 Months Ended	83 Months Ended	100 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 2022	May 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock outstanding (in shares)	33,719,621		33,719,621	33,719,621	33,719,621
Common stock dividends paid	$ 8,421,508	$ 2,666,334			$ 82,900,000
Cash dividends to common stockholders	8,400,000	2,700,000
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total cost of treasury shares acquired	$ 37,596	$ 7,348
Average cost per share (in dollars per share)	$ 5.09	$ 2.79
Common Stock \| 2015 Share Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized amount to be repurchased						$ 5,000,000
Total cost of treasury shares acquired				$ 4,000,000
Treasury stock acquired (in shares)	0			706,858
Average cost per share (in dollars per share)			$ 5.72