Stock-based Compensation - Summary of the Status of the Trust's Non-Vested Restricted Common Shares (Details) - 2013 Plan - Restricted common shares	9 Months Ended
	Sep. 30, 2022 $ / shares shares
Common Shares
Non-vested at the beginning of the period (in shares) | shares	247,447
Granted (in shares) | shares	247,579
Vested (in shares) | shares	(213,572)
Forfeited (in shares) | shares	(5,356)
Non-vested at the end of the period (in shares) | shares	276,098
Weighted Average Grant Date Fair Value
Non-vested at beginning of period (in dollars per share) | $ / shares	$ 17.41
Granted (in dollars per share) | $ / shares	16.53
Vested (in dollars per share) | $ / shares	17.29
Forfeited (in dollars per share) | $ / shares	18.01
Non-vested at end of period (in dollars per share) | $ / shares	$ 16.70