CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest income:
Loans	$ 359,610	$ 268,341	$ 1,021,106	$ 765,246
Investments	1,928	2,193	6,272	7,155
Cash and cash equivalents	4,686	2,003	10,429	4,832
Total interest income	366,224	272,537	1,037,807	777,233
Interest expense:
Deposits	61,890	38,210	157,473	107,633
Interest expense on short-term borrowings	1,804	1,604	4,234	5,827
Interest expense on long-term borrowings	20,469	9,448	56,070	17,869
Total interest expense	84,163	49,262	217,777	131,329
Net interest income	282,061	223,275	820,030	645,904
Less: provisions for credit losses	54,930	41,784	130,441	116,179
Net interest income after provisions for credit losses	227,131	181,491	689,589	529,725
Non-interest income:
Gains (losses) on derivatives and hedging activities, net	1,661	1,368	(7,326)	3,156
Other income	4,455	21,598	26,430	56,309
Total non-interest income	6,116	22,966	19,104	59,465
Non-interest expenses:
Compensation and benefits	51,052	43,380	157,523	138,659
FDIC assessment fees	7,626	5,095	21,477	13,548
Other operating expenses	57,464	51,234	151,070	135,164
Total operating expenses	116,142	99,709	330,070	287,371
Acquired intangible asset amortization expense	117	226	351	747
Total non-interest expenses	116,259	99,935	330,421	288,118
Income before income tax expense	116,988	104,522	378,272	301,072
Income tax expense	40,617	47,557	136,341	120,987
Net income	76,371	56,965	241,931	180,085
Preferred stock dividends	3,028	5,316	12,577	15,698
Net income attributable to SLM Corporation common stock	$ 73,343	$ 51,649	$ 229,354	$ 164,387
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	$ 0.17	$ 0.12	$ 0.53	$ 0.38
Average common shares outstanding (in shares)	431,718	428,077	430,958	427,711
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	$ 0.17	$ 0.12	$ 0.52	$ 0.38
Average common and common equivalent shares outstanding (in shares)	438,419	433,523	438,422	432,079