Shareholders' Equity (Details) $ / shares in Units, $ in Thousands							3 Months Ended	9 Months Ended
	Oct. 12, 2023 USD ($) $ / shares	Sep. 13, 2023 $ / shares shares	Aug. 17, 2023 USD ($) $ / shares	Jun. 13, 2023 trustee $ / shares shares	May 18, 2023 USD ($) $ / shares	Feb. 16, 2023 USD ($) $ / shares	Sep. 30, 2023 trustee $ / shares shares	Sep. 30, 2023 USD ($) trustee $ / shares shares	Sep. 30, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of trustees | trustee				9
Shares granted (in shares) | shares				3,500
Share price (in dollars per share)		$ 5.76		$ 7.90
Equity compensation plan shares issue (in shares) | shares		210,300
Share repurchases (in shares) | shares							40,104	47,858
Stock repurchase price (in dollars per share)							$ 5.84	$ 6.09
Stock repurchased during period, number of trustees | trustee							1	1
Cash distribution to common shareholders (in dollars per share)			$ 0.25		$ 0.25	$ 0.55		$ 1.05
Distributions to common shareholders | $			$ 12,147		$ 12,141	$ 26,710		$ 50,998	$ 79,919
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends declared (in dollars per share)	$ 0.25
Dividends declared | $	$ 12,200