Earnings Per Share - Narrative (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted-average shares of common stock outstanding (in shares)	79,795,000	81,519,000	79,702,000	82,061,000
Incremental common shares attributable to dilutive effect of share-based payment arrangements (in shares)	0		0	0
Dilutive effect of potentially dilutive securities (in shares)	0	164,000	0	0
Performance-based Restricted Stock Units (PSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Incremental common shares attributable to dilutive effect of share-based payment arrangements (in shares)		0