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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Assets |  |
Cash and cash equivalents | $ 2,559,106 | $ 1,534,339
Available-for-sale investments at fair value (cost of $182,325 and $247,607, respectively) | 176,245 | 244,088
Loans held for investment (net of allowance for losses of $341,121 and $251,475, respectively) | 22,270,919 | 18,567,641
Restricted cash | 122,789 | 101,836
Other interest-earning assets | 27,157 | 21,586
Accrued interest receivable | 1,191,981 | 967,482
Premises and equipment, net | 105,504 | 89,748
Income taxes receivable, net | 41,570 | 0
Tax indemnification receivable | 39,207 | 168,011
Other assets | 103,695 | 84,853
Total assets | 26,638,173 | 21,779,584
Liabilities |  |
Deposits | 18,943,158 | 15,505,383
Long-term borrowings | 4,284,304 | 3,275,270
Income taxes payable, net | 0 | 102,285
Upromise member accounts | 213,104 | 243,080
Other liabilities | 224,951 | 179,310
Total liabilities | 23,665,517 | 19,305,328
Commitments and contingencies |  |
Preferred stock, par value $0.20 per share, 20 million shares authorized: |  |
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 449.9 million and 443.5 million shares issued, respectively | 89,972 | 88,693
Additional paid-in capital | 1,274,635 | 1,222,277
Accumulated other comprehensive income (net of tax expense of $3,436 and $1,696, respectively) | 10,623 | 2,748
Retained earnings | 1,340,017 | 868,182
Total SLM Corporation stockholders’ equity before treasury stock | 3,115,247 | 2,581,900
Less: Common stock held in treasury at cost: 14.2 million and 11.1 million shares, respectively | (142,591) | (107,644)
Total equity | 2,972,656 | 2,474,256
Total liabilities and equity | 26,638,173 | 21,779,584
Series B Preferred Stock |  |
Preferred stock, par value $0.20 per share, 20 million shares authorized: |  |
Series B: 4 million and 4 million shares issued, respectively, at stated value of $100 per share | $ 400,000 | $ 400,000

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