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Earnings Per Share - Narrative (Details) - USD ($) shares in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Nov. 19, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of diluted earnings per share (in shares)	200	60
Weighted average dilutive shares, contingently issuable (in shares)		233
Convertible Senior Notes 1.00 percent due December 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Face amount of debt issuance	$ 287,500,000			$ 287,500,000
Interest rate, as a percentage	1.00%		1.00%	1.00%