Capital Stock - Share-based and Other Compensation Programs (Details)	6 Months Ended
	Jun. 30, 2022 $ / shares shares
Performance Based RSUs Equity Settled
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Balance, Number of Shares (in shares) | shares	2,340,673
Beginning Balance, Weighted Average Grant Date Fair Value (in usd per share) | $ / shares	$ 16.76
Number of Shares, Granted (in shares) | shares	643,740
Weighted Average Grant Date Fair Value, Granted (in usd per share) | $ / shares	$ 20.09
Number of Shares, Performance adjustment (in shares) | shares	197,534
Weighted Average Grant Date Fair Value, Performance adjustment (in usd per share) | $ / shares	$ 0
Number of Shares, Vested (in shares) | shares	(796,479)
Weighted Average Grant Date Fair Value, Vested (in usd per share) | $ / shares	$ 18.35
Number of Shares, Forfeited (in shares) | shares	(4,832)
Weighted Average Grant Date Fair Value, Forfeited (in usd per share) | $ / shares	$ 17.94
Ending Balance, Number of Shares (in shares) | shares	2,380,636
Ending Balance, Weighted Average Grant Date Fair Value (in usd per share) | $ / shares	$ 17.61
Timed-Vested RSUs Equity Settled
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Balance, Number of Shares (in shares) | shares	1,808,551
Beginning Balance, Weighted Average Grant Date Fair Value (in usd per share) | $ / shares	$ 15.51
Number of Shares, Granted (in shares) | shares	560,443
Weighted Average Grant Date Fair Value, Granted (in usd per share) | $ / shares	$ 21.06
Number of Shares, Performance adjustment (in shares) | shares	0
Weighted Average Grant Date Fair Value, Performance adjustment (in usd per share) | $ / shares	$ 0
Number of Shares, Vested (in shares) | shares	(425,186)
Weighted Average Grant Date Fair Value, Vested (in usd per share) | $ / shares	$ 18.86
Number of Shares, Forfeited (in shares) | shares	(7,278)
Weighted Average Grant Date Fair Value, Forfeited (in usd per share) | $ / shares	$ 19.46
Ending Balance, Number of Shares (in shares) | shares	1,936,530
Ending Balance, Weighted Average Grant Date Fair Value (in usd per share) | $ / shares	$ 16.36