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v3.21.2

Parent Company Only Financial Information - Condensed Statements of Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Interest income | $ 423,108 | $ 441,042 | $ 1,707,993 | $ 1,805,160 | $ 1,689,673
Dividends received from subsidiaries |  |  | (380,000) |  |
Other income | 2,461 | 1,958 | 6,039 | 18,845 | 35,535
Income tax benefit | (50,500) | (14,915) | (76,695) | (128,264) | (135,252)
Net income | $ 145,596 | $ 100,328 | 511,109 | 395,043 | 422,417
Parent Company |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Interest income |  |  | 293 | 668 | 500
Dividends received from subsidiaries |  |  | 380,000 | 380,000 | 380,000
Other income |  |  | 582 | 716 | 793
Gross income |  |  | 380,875 | 381,384 | 381,293
Operating expenses |  |  | 51,730 | 49,926 | 59,372
Income before income tax benefit and equity in underdistributed earnings of subsidiaries |  |  | 329,145 | 331,458 | 321,921
Income tax benefit |  |  | 14,163 | 13,669 | 16,616
Income before equity in underdistributed earnings of subsidiaries |  |  | 343,308 | 345,127 | 338,537
Equity in underdistributed earnings of subsidiaries |  |  | 167,801 | 49,916 | 83,880
Net income |  |  | $ 511,109 | $ 395,043 | $ 422,417

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