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Share-Based Compensation Plans - Narrative (Details) - USD ($)	1 Months Ended						12 Months Ended			55 Months Ended
	May 31, 2024	May 31, 2022	May 31, 2018	May 31, 2016	May 31, 2013	Apr. 30, 2005	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2024	May 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation vested in period, fair value							$ 3,146,000	$ 5,623,000	$ 3,334,000
Excess tax benefit realized from vesting of restricted common shares							$ 248,000	$ 230,000	$ 543,000
Time-based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value, granted (in dollars per share)							$ 16.35	$ 18.48	$ 18.71
Unrecognized compensation expense							$ 1,930,000			$ 1,930,000
Employee service share-based compensation, nonvested, period for recognition							1 year 29 days
Performance-based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value, granted (in dollars per share)							$ 17.84	$ 17.08
Unrecognized compensation expense							$ 0			0
Phantom Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Volume-weighted average closing price of stock triggering settlement, period prior to vesting period							30 days
Deferred compensation arrangement with individual, recorded liability							$ 897,000			$ 897,000
2016 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award reserved for issuance of common shares (in shares)				1,800,000						2,900,000
Share-based compensation, increase in awards reserved for issuance of common shares (in shares)											1,100,000
Share-based compensation award granted in period (in shares)							3,787,892
Share-based compensation award, number of shares available for grant (in shares)							863,479			863,479
2016 Plan | Time-based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award granted in period (in shares)							1,513,927
Share-based compensation award vesting period							3 years	3 years	3 years
2016 Plan | Performance-based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award granted in period (in shares)							2,273,965
Share-based compensation award forfeited in period (in shares)							1,751,371
Share-based compensation award vesting period							3 years	3 years	3 years
Director Share Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award reserved for issuance of common shares (in shares)	1,150,000	950,000,000	850,000		700,000	500,000
Share-based compensation, increase in awards reserved for issuance of common shares (in shares)	200,000	100,000	150,000		200,000
Share-based compensation award vesting period							1 year
Share-based compensation restricted common shares issued (in shares)							931,692
Share-based compensation, maximum number of shares issuable (in shares)							218,308

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