Stockholders' Equity - Treasury Stock (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares
May 2019 ASR
Equity, Class of Treasury Stock [Line Items]
Treasury stock acquired (in shares) | shares	2,072
Average repurchase price per share (in USD per share) | $ / shares	$ 48.26
Treasury stock	$ 100,000
March 2017 ASR
Equity, Class of Treasury Stock [Line Items]
Treasury stock acquired (in shares) | shares	1,326
Average repurchase price per share (in USD per share) | $ / shares	$ 38.64
Treasury stock	$ 50,000
Cash settlement	$ 2,000