Share-Based Compensation - Summary of Stock Options Activity (Details) shares in Thousands	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Number of Shares
Beginning of period (in shares) | shares	2,121
Granted (in shares) | shares	188
Exercised (in shares) | shares	(163)
Forfeited (in shares) | shares	(23)
Expired (in shares) | shares	(16)
End of period (in shares) | shares	2,107
Weighted Average Exercise Price
Beginning of period (in dollars per share) | $ / shares	$ 31.53
Granted (in dollars per share) | $ / shares	40.49
Exercised (in dollars per share) | $ / shares	22.32
Forfeited (in dollars per share) | $ / shares	36.49
Expired (in dollars per share) | $ / shares	31.37
End of period (in dollars per share) | $ / shares	$ 32.99