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v3.22.0.1

Selected Quarterly Financial Information (unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net interest income | $ 367,350 | $ 357,518 | $ 338,784 | $ 331,114 | $ 366,537 | $ 364,567 | $ 348,775 | $ 400,116 | $ 1,394,766 | $ 1,479,993 | $ 1,623,315
Less: provisions for credit losses | (15,309) | 138,442 | 69,677 | (225,767) | (316,372) | (3,640) | 351,887 | 61,258 | (32,957) | 93,133 | 354,249
Net interest income after provisions for credit losses | 382,659 | 219,076 | 269,107 | 556,881 | 682,909 | 368,207 | (3,112) | 338,858 | 1,427,723 | 1,386,860 | 1,269,066
Gains on sales of loans, net | 145,535 | (10) | 3,679 | 399,111 | (247) | (4) | (369) | 238,935 | 548,315 | 238,315 | 0
Gains (losses) on derivative and hedging activities, net | (17) | 44 | 89 | 28 | 136 | (15) | 3,751 | 45,672 | 144 | 49,544 | 17,825
Other income | 7,243 | 13,879 | 48,580 | 14,288 | 1,043 | 9,646 | 25,412 | 7,487 | 83,990 | 43,590 | 31,102
Total operating expenses | 125,495 | 140,649 | 128,010 | 124,499 | 121,743 | 127,490 | 141,557 | 147,298 | 518,653 | 538,088 | 574,253
Restructuring expenses | 0 | 108 | 70 | 1,077 | 2,088 | 24,127 | 0 | 0 | 1,255 | 26,215 | 0
Income tax expense (benefit) | 103,660 | 19,392 | 53,174 | 203,525 | 127,310 | 55,189 | (30,664) | 121,481 | 379,751 | 273,316 | 165,464
Net income | 306,265 | 72,840 | 140,201 | 641,207 | 432,700 | 171,028 | (85,211) | 362,173 | 1,160,513 | 880,690 | 578,276
Preferred stock dividends | 1,177 | 1,166 | 1,192 | 1,201 | 1,734 | 2,058 | 2,478 | 3,464 | 4,736 | 9,734 | 16,837
Net income (loss) attributable to SLM Corporation common stock | 305,088 | 71,674 | 139,009 | 640,006 | 430,966 | 168,970 | (87,689) | 358,709 | 1,155,777 | 870,956 | 561,439
Net income attributable to SLM Corporation common stock | $ 305,088 | $ 71,674 | $ 139,009 | $ 640,006 | $ 430,966 | $ 168,970 | $ (87,689) | $ 358,709 | $ 1,155,777 | $ 870,956 | $ 561,439
Basic earnings per common share (in usd per share) | $ 1.06 | $ 0.24 | $ 0.45 | $ 1.77 | $ 1.15 | $ 0.45 | $ (0.23) | $ 0.88 | $ 3.67 | $ 2.27 | $ 1.31
Diluted earnings per common share (in usd per share) | 1.04 | 0.24 | 0.44 | 1.75 | 1.13 | 0.45 | (0.23) | 0.87 | 3.61 | 2.25 | 1.30
Declared dividends per common share (in usd per share) | $ 0.11 | $ 0.03 | $ 0.03 | $ 0.03 | $ 0.03 | $ 0 | $ 0.06 | $ 0.03 | $ 0.20 | $ 0.12 | $ 0.12

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