CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Assets
Cash and cash equivalents	$ 875,622	$ 2,359,780
Available-for-sale investments at fair value (cost of $168,964 and $167,740, respectively)	170,831	168,934
Loans held for investment (net of allowance for losses of $89,805 and $83,842, respectively)	10,909,014	9,509,786
Other interest-earning assets	62,383	77,283
Accrued interest receivable	541,355	469,697
Premises and equipment, net	79,822	78,470
Acquired intangible assets, net	2,855	3,225
Tax indemnification receivable	227,157	240,311
Other assets	64,485	64,757
Total assets	12,933,524	12,972,243
Liabilities
Deposits	10,467,753	10,540,555
Income taxes payable, net	194,345	191,499
Upromise related liabilities	285,104	293,004
Other liabilities	120,409	117,227
Total liabilities	11,067,611	11,142,285
Commitments and contingencies
Equity
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 428 million and 425 million shares issued, respectively	85,587	84,961
Additional paid-in capital	1,106,415	1,090,511
Accumulated other comprehensive loss (net of tax benefit of $13,012 and $7,186, respectively)	(20,584)	(11,393)
Retained earnings	154,824	113,066
Total SLM Corporation stockholders' equity before treasury stock	1,891,242	1,842,145
Less: Common stock held in treasury at cost: 3 million and 1 million shares, respectively	(25,329)	(12,187)
Total equity	1,865,913	1,829,958
Total liabilities and equity	12,933,524	12,972,243
Series A Preferred Stock
Equity
Preferred stock value outstanding	165,000	165,000
Series B Preferred Stock
Equity
Preferred stock value outstanding	$ 400,000	$ 400,000