Capital Stock (Details) - $ / shares	1 Months Ended	3 Months Ended
	Apr. 30, 2021	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash dividends, per share (in dollars per share)		$ 0.10	$ 0.10
Subsequent event | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash dividends, per share (in dollars per share)	$ 0.10
Subsequent event | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash dividends, per share (in dollars per share)	$ 0.11