Shareholders' Equity - Additional Information (Details) $ / shares in Units, $ in Thousands							3 Months Ended	9 Months Ended
	Oct. 13, 2022 USD ($) $ / shares	Sep. 14, 2022 $ / shares shares	Aug. 18, 2022 USD ($)	Jun. 15, 2022 trustee $ / shares shares	May 19, 2022 USD ($)	Feb. 17, 2022 USD ($)	Sep. 30, 2022 $ / shares shares	Sep. 30, 2022 USD ($) $ / shares shares
Class of Stock [Line Items]
Common stock dividend | $			$ 1,651		$ 1,651	$ 1,651		$ 4,953
Number of new trustees | trustee				7
Shares repurchased (in shares) | shares							68,371	68,849
Shares repurchased (in dollars per share)							$ 6.71	$ 6.72
Subsequent event
Class of Stock [Line Items]
Quarterly distribution declared (in dollars per share)	$ 0.20
Common stock dividend | $	$ 33,091
Trustee One | Common Shares
Class of Stock [Line Items]
Shares granted (in shares) | shares				7,000
Shares granted valued (in dollars per share)				$ 5.70
Trustee Two | Common Shares
Class of Stock [Line Items]
Shares granted (in shares) | shares				7,000
Shares granted valued (in dollars per share)				$ 5.70
Trustee Three | Common Shares
Class of Stock [Line Items]
Shares granted (in shares) | shares				7,000
Shares granted valued (in dollars per share)				$ 5.70
Trustee Four | Common Shares
Class of Stock [Line Items]
Shares granted (in shares) | shares				7,000
Shares granted valued (in dollars per share)				$ 5.70
Trustee Five | Common Shares
Class of Stock [Line Items]
Shares granted (in shares) | shares				7,000
Shares granted valued (in dollars per share)				$ 5.70
Trustee Six | Common Shares
Class of Stock [Line Items]
Shares granted (in shares) | shares				7,000
Shares granted valued (in dollars per share)				$ 5.70
Trustee Seven | Common Shares
Class of Stock [Line Items]
Shares granted (in shares) | shares				7,000
Shares granted valued (in dollars per share)				$ 5.70
Officers, Other Current and Former Officers | Common Shares
Class of Stock [Line Items]
Shares granted (in shares) | shares		384,500
Shares granted valued (in dollars per share)		$ 6.75