Shareholders' Equity - Summary of Common Shares Outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Roll forward of common shares outstanding
Balance at beginning of the year	32,276,787	32,472,406
Repurchases	(266,722)	(342,731)	(420,770)
Restricted stock unit issuances	168,650	147,112
Balance at end of period	32,178,715	32,276,787	32,472,406