Share Repurchase Program (Notes)	12 Months Ended
	Dec. 31, 2021
Share Repurchase Program [Abstract]
Treasury Stock [Text Block]	Share Repurchase ProgramOn July 28, 2021, the Company announced that its Board of Directors approved a new share repurchase program (the “2021 Share Repurchase Program”), which replaced and superseded the share repurchase program authorized by the Board of Directors in 2018 (the “2018 Share Repurchase Program”). Prior to its replacement, the Company did not repurchase any outstanding common shares under the 2018 Share Repurchase Program during 2021.Pursuant to the 2021 Share Repurchase Program, the Company may purchase up to $100 million of its outstanding common shares through open market transactions, privately negotiated transactions or otherwise in accordance with all applicable laws. During the year ended December 31, 2021, the Company repurchased 0.8 million outstanding common shares at an aggregate purchase price of $51.5 million under the 2021 Share Repurchase Program. The Company did not repurchase any shares during the first or second quarters of 2021. As of December 31, 2021, $48.5 million remained available for repurchases under the 2021 Share Repurchase Program. The timing, amount and other terms and conditions of any additional repurchases under the 2021 Share Repurchase Program will be determined by the Company’s management at its discretion based on a variety of factors, including the market price of the Company’s common shares, corporate considerations, general market and economic conditions and legal requirements. The 2021 Share Repurchase Program does not have an expiration date and the Board may modify, discontinue or suspend it at any time. See Note 17 for additional information.