XML 57 R38.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Deposits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Deposits [Abstract] |
Schedule of Deposits | The following table summarizes total deposits at December 31, 2016 and 2015.
|  | December 31,
|  | 2016 |  | 2015
Deposits - interest bearing |  | $ | 13,434,990 |  |  | $ | 11,487,006 |
Deposits - non-interest bearing |  | 677 |  |  | 701 |
Total deposits |  | $ | 13,435,667 |  |  | $ | 11,487,707 |
Interest Bearing Deposits | Interest bearing deposits at December 31, 2016 and 2015 are summarized as follows:
|  | December 31, 2016 |  | December 31, 2015
|  | Amount |  | Year-End Weighted Average Stated Rate(1) |  | Amount |  | Year-End Weighted Average Stated Rate(1)
Money market |  | $ | 7,129,404 |  |  | 1.22 | % |  | $ | 4,886,299 |  |  | 1.19 | %
Savings |  | 834,521 |  |  | 0.84 |  |  | 669,254 |  |  | 0.82 |
Certificates of deposit |  | 5,471,065 |  |  | 1.41 |  |  | 5,931,453 |  |  | 0.98 |
Deposits - interest bearing |  | $ | 13,434,990 |  |  |  |  |  | $ | 11,487,006 |  |  |
___ (1) Includes the effect of interest rate swaps in effective hedge relationships.
Schedule of Maturities of Time Deposits | Certificates of deposit remaining maturities are summarized as follows:
|  | December 31,
|  | 2016 |  | 2015
One year or less |  | $ | 2,565,246 |  |  | $ | 2,667,980 |
After one year to two years |  | 1,364,812 |  |  | 1,210,429 |
After two years to three years |  | 936,125 |  |  | 1,053,442 |
After three years to four years |  | 225,245 |  |  | 630,851 |
After four years to five years |  | 379,637 |  |  | 203,704 |
After five years |  | — |  |  | 165,047 |
Total |  | $ | 5,471,065 |  |  | $ | 5,931,453 |

X
- Definition [Table Text Block] for Interest Bearing Deposits [Table] + References No definition available. + Details
Name: | slm_InterestBearingDepositsTableTextBlock
Namespace Prefix: | slm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Deposits [Table Text Block] + References No definition available. + Details
Name: | slm_ScheduleofDepositsTableTextBlock
Namespace Prefix: | slm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Maturities of Time Deposits [Table Text Block] + References No definition available. + Details
Name: | slm_ScheduleofMaturitiesofTimeDepositsTableTextBlock
Namespace Prefix: | slm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DepositsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration