Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Long-Term Awards (Details)

v3.21.1
Stock-Based Compensation - Long-Term Awards (Details)
shares in Thousands
Mar. 31, 2021
shares
Total target performance awards as of December 31, 2020 320
2018 Program [Member] | Long-Term Awards [Member]  
Total target performance awards as of December 31, 2020 82 [1]
2019 Program [Member] | Long-Term Awards [Member]  
Total target performance awards as of December 31, 2020 70 [1]
2020 Program [Member] | Annual Awards [Member]  
Total target performance awards as of December 31, 2020 92
2020 Program [Member] | Long-Term Awards [Member]  
Total target performance awards as of December 31, 2020 76
[1] 2019 Long-Term Awards