Shareholders' Equity - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended
	Feb. 28, 2021	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Mar. 01, 2021
Class of Stock [Line Items]
Repurchase of shares		$ 18,045,000	$ 18,045,000	$ 20,869,000
Distributions to common shareholders/unitholders	$ 6,000,000		$ 6,024,000	$ 1,936,000
Common Shares
Class of Stock [Line Items]
Stock repurchase program, authorized amount (up to)					$ 150,000,000
Repurchase of shares (in shares)			430,871
Average cost per share (in dollars per share)			$ 25.70
Repurchase of shares			$ 11,100,000
Stock repurchase program, remaining authorized repurchase amount		$ 138,900,000	$ 138,900,000
Surrender of shares for tax withholding (in shares)			245,215	183,992