Equity (Details) - USD ($) shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Equity, Class of Treasury Stock [Line Items]
Maximum authorized amount for stock repurchases	$ 500,000
Remaining authorized repurchase amount	$ 189,105
2015 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Number of common shares repurchased	0	0