Stockholders' Equity (Details)																6 Months Ended
		Jul. 25, 2022 $ / shares	Jul. 11, 2022 $ / shares shares	Jul. 08, 2022	Jun. 21, 2022 $ / shares	Apr. 26, 2022 $ / shares	Mar. 23, 2022 $ / shares	Jan. 26, 2022 $ / shares	Dec. 21, 2021 $ / shares	Oct. 26, 2021 $ / shares	Sep. 23, 2021 $ / shares	Jul. 26, 2021 $ / shares	Jun. 22, 2021 $ / shares	Apr. 26, 2021 $ / shares	Mar. 23, 2021 $ / shares	Jun. 30, 2022 $ / shares shares	Jul. 10, 2022 $ / shares shares	Mar. 31, 2022 shares	Dec. 31, 2021 $ / shares shares	Jun. 30, 2021 shares	Mar. 31, 2021 shares	Dec. 31, 2020 shares	Jun. 05, 2020 USD ($)
Shareholders equity
Common stock, shares authorized (in shares)																50,000,000			50,000,000
Common stock, shares issued (in shares)																6,038,010			6,038,010
Common stock, shares outstanding (in shares)																6,038,010			6,038,010
Common stock, par value (in dollars per share) | $ / shares																$ 0.01			$ 0.01
Shares authorized to be repurchased (in shares)																			300,000
Stock repurchased during period (in shares)																0
Dividends, declared per share of common stock (in dollars per share) | $ / shares					$ 0.40	$ 0.40	$ 0.40		$ 0.60		$ 0.60		$ 0.60		$ 0.60
Dividends, cash paid per share of common stock (in dollars per share) | $ / shares								$ 0.60		$ 0.60		$ 0.60		$ 0.60
Subsequent Event
Shareholders equity
Common stock, shares authorized (in shares)			50,000,000														500,000,000
Common stock, shares issued (in shares)			6,038,010														60,380,105
Common stock, shares outstanding (in shares)			6,038,010														60,380,105
Common stock, par value (in dollars per share) | $ / shares			$ 0.01														$ 0.01
Stockholders' equity note, stock split, conversion ratio			0.1	0.1
Dividends, declared per share of common stock (in dollars per share) | $ / shares		$ 0.40
Common Stock Outstanding
Shareholders equity
Common stock, shares issued (in shares)	[1]															6,038,010		6,038,010	6,038,010	6,081,270	6,081,270	6,081,270
Common Stock Outstanding | At The Market Offering
Shareholders equity
Equity offering amount, maximum | $																							$ 100,000,000
Sale of stock (in shares)																0

[1] Amounts have been adjusted to reflect the one-for-ten reverse stock split effected July 11, 2022. See Note 2 and Note 12 for additional details