CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 1,839,054	$ 1,534,339
Available-for-sale investments at fair value (cost of $181,785 and $247,607, respectively)	172,370	244,088
Loans held for investment (net of allowance for losses of $328,974 and $251,475, respectively)	21,978,903	18,567,641
Restricted cash	115,658	101,836
Other interest-earning assets	32,071	21,586
Accrued interest receivable	1,270,026	967,482
Premises and equipment, net	105,058	89,748
Income taxes receivable, net	22,102	0
Tax indemnification receivable	54,941	168,011
Other assets	101,000	84,853
Total assets	25,691,183	21,779,584
Liabilities
Deposits	17,873,293	15,505,383
Long-term borrowings	4,532,221	3,275,270
Income taxes payable, net	0	102,285
Upromise member accounts	226,176	243,080
Other liabilities	219,158	179,310
Total liabilities	22,850,848	19,305,328
Commitments and contingencies
Equity
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
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 449.8 million and 443.5 million shares issued, respectively	89,962	88,693
Additional paid-in capital	1,268,763	1,222,277
Accumulated other comprehensive income (net of tax expense of $8,666 and $1,696, respectively)	27,012	2,748
Retained earnings	1,196,895	868,182
Total SLM Corporation stockholders’ equity before treasury stock	2,982,632	2,581,900
Less: Common stock held in treasury at cost: 14.1 million and 11.1 million shares, respectively	(142,297)	(107,644)
Total equity	2,840,335	2,474,256
Total liabilities and equity	$ 25,691,183	$ 21,779,584