CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest income:
Loans	$ 195,287	$ 162,238	$ 393,143	$ 322,273
Investments	2,386	2,236	5,106	3,204
Cash and cash equivalents	801	1,099	1,581	1,965
Total interest income	198,474	165,573	399,830	327,442
Interest expense:
Deposits	29,482	21,034	59,052	43,624
Other interest expense	735	0	1,567	41
Total interest expense	30,217	21,034	60,619	43,665
Net interest income	168,257	144,539	339,211	283,777
Less: provisions for loan losses	15,558	1,014	32,176	40,173
Net interest income after provisions for loan losses	152,699	143,525	307,035	243,604
Noninterest income:
Gains on sales of loans, net	76,874	1,928	76,874	35,816
Gains (losses) on derivatives and hedging activities, net	1,602	(9,458)	4,894	(10,222)
Other	10,912	15,229	18,919	23,365
Total noninterest income	89,388	7,699	100,687	48,959
Expenses:
Compensation and benefits	38,572	31,667	79,775	61,334
Other operating expenses	51,227	28,812	91,211	62,744
Total operating expenses	89,799	60,479	170,986	124,078
Acquired intangible asset amortization expense	370	1,156	740	2,995
Restructuring and other reorganization expenses	744	13,520	5,401	13,749
Total expenses	90,913	75,155	177,127	140,822
Income before income tax expense	151,174	76,069	230,595	151,741
Income tax expense	60,158	31,941	91,880	60,599
Net income	91,016	44,128	138,715	91,142
Less: net loss attributable to noncontrolling interest	0	0	0	(434)
Net income attributable to SLM Corporation	91,016	44,128	138,715	91,576
Preferred stock dividends	4,870	3,228	9,693	3,228
Net income attributable to SLM Corporation common stock	$ 86,146	$ 40,900	$ 129,022	$ 88,348
Basic earnings per common share attributable to SLM Corporation (in dollars per share)	$ 0.20	$ 0.10	$ 0.30	$ 0.21
Average common shares outstanding (in shares)	425,688	422,805	425,061	424,751
Diluted earnings per common share attributable to SLM Corporation (in dollars per share)	$ 0.20	$ 0.09	$ 0.30	$ 0.20
Average common and common equivalent shares outstanding (in shares)	432,742	430,750	432,523	432,689