XML 53 R35.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Allowance for Loan Losses - Allowance for Credit Losses and Recorded Investments in Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Allowance for Loan Losses |  |  |  |
Beginning balance | $ 89,805 | $ 77,634 | $ 83,842 | $ 68,081
Total provision | 15,558 | 1,014 | 32,176 | 40,173
Net charge-offs: |  |  |  |
Charge-offs | (13,757) | (654) | (23,618) | (1,297)
Recoveries | 1,780 | 0 | 3,168 |
Net charge-offs | (11,977) | (654) | (20,450) |
Loan sales | (1,520) | (17,467) | (3,702) | (46,430)
Ending Balance | 91,866 | 60,527 | 91,866 | 60,527
Allowance: |  |  |  |
Ending balance: individually evaluated for impairment | 32,446 | 1,037 | 32,446 | 1,037
Ending balance: collectively evaluated for impairment | 59,420 | 59,490 | 59,420 | 59,490
Loans: |  |  |  |
Ending balance: individually evaluated for impairment | 187,143 | 4,508 | 187,143 | 4,508
Ending balance: collectively evaluated for impairment | 10,304,670 | 8,838,393 | 10,304,670 | 8,838,393
FFELP Loans |  |  |  |
Allowance for Loan Losses |  |  |  |
Beginning balance | 4,569 | 6,181 | 5,268 | 6,318
Total provision | 466 | 685 | 901 | 1,191
Net charge-offs: |  |  |  |
Charge-offs | (479) | (654) | (1,613) | (1,297)
Recoveries | 0 | 0 | 0 |
Net charge-offs | (479) | (654) | (1,613) |
Loan sales | 0 | 0 | 0 | 0
Ending Balance | 4,556 | 6,212 | 4,556 | 6,212
Allowance: |  |  |  |
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | 4,556 | 6,212 | 4,556 | 6,212
Loans: |  |  |  |
Ending balance: individually evaluated for impairment | 0 | 0 | 0 | 0
Ending balance: collectively evaluated for impairment | $ 1,178,876 | $ 1,360,107 | $ 1,178,876 | $ 1,360,107
Net charge-offs as a percentage of average loans in repayment (annualized) | 0.22% | 0.07% | 0.37% | 0.13%
Allowance as a percentage of the ending total loan balance | 0.39% | 0.46% | 0.39% | 0.46%
Allowance as a percentage of the ending loans in repayment | 0.54% | 0.66% | 0.54% | 0.66%
Allowance coverage of net charge-offs (annualized) | 2.38 | 2.40 | 1.41 | 2.40
Ending total loans, gross | $ 1,178,876 | $ 1,360,107 | $ 1,178,876 | $ 1,360,107
Average loans in repayment | 861,453 | 973,894 | 880,953 | 994,290
Ending loans in repayment | 836,545 | 947,972 | 836,545 | 947,972
Private Education Loans |  |  |  |
Allowance for Loan Losses |  |  |  |
Beginning balance | 85,236 | 71,453 | 78,574 | 61,763
Total provision | 15,092 | 329 | 31,275 | 38,982
Net charge-offs: |  |  |  |
Charge-offs | (13,278) | 0 | (22,005) | 0
Recoveries | 1,780 | 0 | 3,168 |
Net charge-offs | (11,498) | 0 | (18,837) |
Loan sales | (1,520) | (17,467) | (3,702) | (46,430)
Ending Balance | 87,310 | 54,315 | 87,310 | 54,315
Allowance: |  |  |  |
Ending balance: individually evaluated for impairment | 32,446 | 1,037 | 32,446 | 1,037
Ending balance: collectively evaluated for impairment | 54,864 | 53,278 | 54,864 | 53,278
Loans: |  |  |  |
Ending balance: individually evaluated for impairment | 187,143 | 4,508 | 187,143 | 4,508
Ending balance: collectively evaluated for impairment | $ 9,125,794 | $ 7,478,286 | $ 9,125,794 | $ 7,478,286
Net charge-offs as a percentage of average loans in repayment (annualized) | 0.81% | 0.00% | 0.66% | 0.00%
Allowance as a percentage of the ending total loan balance | 0.94% | 0.73% | 0.94% | 0.73%
Allowance as a percentage of the ending loans in repayment | 1.54% | 1.23% | 1.54% | 1.23%
Allowance coverage of net charge-offs (annualized) | 1.90 | 0.00 | 2.32 | 0.00
Ending total loans, gross | $ 9,312,937 | $ 7,482,794 | $ 9,312,937 | $ 7,482,794
Average loans in repayment | 5,712,559 | 4,322,356 | 5,667,912 | 4,354,878
Ending loans in repayment | $ 5,666,645 | $ 4,425,573 | $ 5,666,645 | $ 4,425,573

X
- Definition Allowance. + References No definition available. + Details
Name: | slm_AllowanceAbstract
Namespace Prefix: | slm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Allowance as a percentage of the ending total loan balance. + References No definition available. + Details
Name: | slm_AllowanceAsPercentageOfEndingLoanBalance
Namespace Prefix: | slm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Allowance as a percentage of the ending loans in repayment. + References No definition available. + Details
Name: | slm_AllowanceAsPercentageOfEndingLoansInRepayment
Namespace Prefix: | slm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Allowance coverage of charge offs average loans in repayment. + References No definition available. + Details
Name: | slm_AllowanceCoverageOfChargeOffsAverageLoansInRepayment
Namespace Prefix: | slm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Allowance coverage of charge-offs ending total loans. + References No definition available. + Details
Name: | slm_AllowanceCoverageOfChargeOffsEndingLoans
Namespace Prefix: | slm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Allowance coverage of charge-offs Ending loans in repayment. + References No definition available. + Details
Name: | slm_AllowanceCoverageOfChargeOffsEndingLoansInRepayment
Namespace Prefix: | slm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Allowance for credit losses. + References No definition available. + Details
Name: | slm_AllowanceForCreditLossesAbstract
Namespace Prefix: | slm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Annualized allowance on private education loan coverage of charge offs. + References No definition available. + Details
Name: | slm_AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs
Namespace Prefix: | slm_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Charge offs as percentage of average loans in repayment. + References No definition available. + Details
Name: | slm_ChargeOffsAsPercentageOfAverageLoansInRepayment
Namespace Prefix: | slm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans. + References No definition available. + Details
Name: | slm_LoansAbstract
Namespace Prefix: | slm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of reduction of allowance reserve for credit loss arising from sale of loan and lease portfolios. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesLoansSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after recoveries, of loans and leases that have been written-off. + References No definition available. + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
Name: | us-gaap_ProvisionForLoanLeaseAndOtherLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis=slm_FfelpLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis=slm_PrivateEducationLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |