Net Income Per Share Reconciliation of Weighted Average Common Shares Outstanding (Details) - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average shares outstanding (basic) (in shares)	163,475	169,884
Impact of common stock equivalents (in shares)	942	1,025
Weighted average shares outstanding (diluted) (in shares)	164,417	170,909
Basic (in dollars per share)	$ 0.16	$ 0.33
Diluted (in dollars per share)	$ 0.16	$ 0.33