XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.23.3

Deposits (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2023
Banking and Thrift, Other Disclosure [Abstract] |
Schedule of Deposits | The following table summarizes total deposits at September 30, 2023 and December 31, 2022.
|  | September 30, |  | December 31,
(Dollars in thousands) |  | 2023 |  | 2022
Deposits - interest-bearing |  | $ | 21,550,108 |  |  | $ | 21,446,647 |
Deposits - non-interest-bearing |  | 637 |  |  | 1,424 |
Total deposits |  | $ | 21,550,745 |  |  | $ | 21,448,071 |
Schedule of Interest Bearing Deposits | Interest bearing deposits at September 30, 2023 and December 31, 2022 are summarized as follows:
|  | September 30, 2023 |  | December 31, 2022
(Dollars in thousands) |  | Amount |  | Qtr.-End Weighted Average Stated Rate(1) |  | Amount |  | Year-End Weighted Average Stated Rate(1)
Money market |  | $ | 10,241,232 |  |  | 4.75 | % |  | $ | 10,977,242 |  |  | 3.75 | %
Savings |  | 930,590 |  |  | 4.35 |  |  | 982,586 |  |  | 3.15 |
Certificates of deposit |  | 10,378,286 |  |  | 3.58 |  |  | 9,486,819 |  |  | 2.57 |
Deposits - interest bearing |  | $ | 21,550,108 |  |  |  |  | $ | 21,446,647 |  |  |
(1) Includes the effect of interest rate swaps in effective hedge relationships.
Schedule of Certificates of Deposit Maturities | Certificates of deposit remaining maturities are summarized as follows:
(Dollars in thousands) |  | September 30, 2023 |  | December 31, 2022
One year or less |  | $ | 3,436,186 |  |  | $ | 3,224,573 |
After one year to two years |  | 4,079,381 |  |  | 2,954,257 |
After two years to three years |  | 2,359,064 |  |  | 1,904,919 |
After three years to four years |  | 248,301 |  |  | 1,031,881 |
After four years to five years |  | 255,354 |  |  | 324,375 |
After five years |  | — |  |  | 46,814 |
Total |  | $ | 10,378,286 |  |  | $ | 9,486,819 |

X
- Definition [Table Text Block] for Interest Bearing Deposits [Table] + References No definition available. + Details
Name: | slm_InterestBearingDepositsTableTextBlock
Namespace Prefix: | slm_
Data Type: | dtr-types1: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: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of time deposit liability maturities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481544/470-10-50-1 + Details
Name: | us-gaap_TimeDepositMaturitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration