XML 18 R37.htm IDEA: XBRL DOCUMENT v2.4.1.9
LOANS (Details 5) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Financing Receivable, Recorded Investment [Line Items]      
Loans $ 558,923us-gaap_LoansAndLeasesReceivableGrossCarryingAmount $ 552,038us-gaap_LoansAndLeasesReceivableGrossCarryingAmount [1] $ 346,391us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 558,923us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ slct_LoanAxis
= slct_TotalLoansMember
552,038us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ slct_LoanAxis
= slct_TotalLoansMember
 
Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 26,408us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
27,035us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 532,515us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
525,003us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 66,029us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
  29,835us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
Commercial and Industrial [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 66,029us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
58,217us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 571us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
657us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 65,458us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
57,560us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Superior [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 1,379us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
1,241us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Superior [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Superior [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 1,379us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
1,241us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Very Good [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 2,046us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
1,110us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Very Good [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Very Good [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 2,046us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
1,110us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Good [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 6,134us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
5,282us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Good [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Good [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 6,134us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
5,282us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Acceptable [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 27,687us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
26,132us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Acceptable [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Acceptable [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 27,687us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
26,132us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Acceptable With Care [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 27,669us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
23,404us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Acceptable With Care [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 523us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
602us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Acceptable With Care [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 27,146us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
22,802us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Special Mention [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 185us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
221us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Special Mention [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Special Mention [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 185us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
221us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Substandard [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 929us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
827us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Substandard [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 48us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
55us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Substandard [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 881us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
772us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Doubtful [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Doubtful [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Doubtful [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Loss [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial and Industrial [Member] | Loss [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial and Industrial [Member] | Loss [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_CommercialAndIndustrialOtherMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Superior [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Superior [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Superior [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Very Good [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Very Good [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Very Good [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Good [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 2,700us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
2,705us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Good [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Good [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 2,700us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
2,705us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Acceptable [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 13,648us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
13,579us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Acceptable [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Acceptable [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 13,648us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
13,579us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Acceptable With Care [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 67,751us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
65,717us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Acceptable With Care [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 1,388us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
1,397us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Acceptable With Care [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 66,363us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
64,320us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Special Mention [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 725us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
384us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Special Mention [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 65us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
66us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Special Mention [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 660us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
318us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Substandard [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 1,144us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
1,208us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Substandard [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Substandard [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 1,144us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
1,208us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Doubtful [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Doubtful [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Doubtful [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Loss [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Construction Loans [Member] | Loss [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Construction Loans [Member] | Loss [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConstructionLoansMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 234,754us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
  167,517us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
Commercial Real Estate [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 234,754us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
233,630us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 11,698us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
11,903us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 223,056us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
221,727us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Superior [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Superior [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Superior [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Very Good [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Very Good [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Very Good [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Good [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 14,679us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
15,276us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Good [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Good [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 14,679us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
15,276us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Acceptable [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 126,687us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
128,056us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Acceptable [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Acceptable [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 126,687us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
128,056us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Acceptable With Care [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 79,044us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
75,554us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Acceptable With Care [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 9,203us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
9,368us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Acceptable With Care [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 69,841us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
66,186us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Special Mention [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 7,915us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
8,036us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Special Mention [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 1,937us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
1,973us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Special Mention [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 5,978us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
6,063us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Substandard [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 6,429us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
6,708us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Substandard [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 558us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
562us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Substandard [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 5,871us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
6,146us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Doubtful [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Doubtful [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Doubtful [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Loss [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Commercial Real Estate [Member] | Loss [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Commercial Real Estate [Member] | Loss [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 41,319us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
  21,081us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
Multi Family Residential Real Estate [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 41,319us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
42,224us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 2,698us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
2,724us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 38,621us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
39,500us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Superior [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Superior [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Superior [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_SuperiorMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Very Good [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Very Good [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Very Good [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_VeryGoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Good [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Good [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Good [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_GoodMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Acceptable [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 31,214us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
31,619us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Acceptable [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Acceptable [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 31,214us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
31,619us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Acceptable With Care [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 7,216us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
8,374us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Acceptable With Care [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 2,698us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
2,724us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Acceptable With Care [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 4,518us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
5,650us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_AcceptableWithCareMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Special Mention [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 2,006us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
1,330us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Special Mention [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Special Mention [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 2,006us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
1,330us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Substandard [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 883us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
901us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Substandard [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Substandard [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 883us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
901us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Doubtful [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Doubtful [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Doubtful [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_DoubtfulMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Loss [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Multi Family Residential Real Estate [Member] | Loss [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Multi Family Residential Real Estate [Member] | Loss [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_LossMember
/ us-gaap_FinancialInstrumentAxis
= slct_MultiFamilyResidentialRealEstateMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Loans to Individuals and Overdrafts [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 5,775us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
  7,560us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
Loans to Individuals and Overdrafts [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 5,775us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_TotalLoansMember
6,017us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Loans to Individuals and Overdrafts [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 125us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
128us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Loans to Individuals and Overdrafts [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 5,650us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
5,889us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Loans to Individuals and Overdrafts [Member] | Pass [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 5,747us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_TotalLoansMember
5,969us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Loans to Individuals and Overdrafts [Member] | Pass [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 115us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
117us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Loans to Individuals and Overdrafts [Member] | Pass [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 5,632us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
5,852us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Loans to Individuals and Overdrafts [Member] | Non-Pass [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 28us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_NonPassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_TotalLoansMember
48us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_NonPassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Loans to Individuals and Overdrafts [Member] | Non-Pass [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 10us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_NonPassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
11us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_NonPassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Loans to Individuals and Overdrafts [Member] | Non-Pass [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 18us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_NonPassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
37us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= slct_NonPassMember
/ us-gaap_FinancialInstrumentAxis
= slct_LoansToIndividualsAndOverdraftsMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Family Residential Real Estate 1 to 4 [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 87,273us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
  32,551us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
Family Residential Real Estate 1 to 4 [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 87,273us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_TotalLoansMember
90,903us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_TotalLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 9,674us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
9,972us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 77,599us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
80,931us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Pass [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 79,236us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_TotalLoansMember
82,794us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_TotalLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Pass [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 6,058us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
6,437us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Pass [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 73,178us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
76,357us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Special Mention [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 3,834us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_TotalLoansMember
3,978us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_TotalLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Special Mention [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 3,011us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
2,926us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Special Mention [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 823us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
1,052us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Substandard [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 4,203us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_TotalLoansMember
4,131us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_TotalLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Substandard [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 605us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
609us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Family Residential Real Estate 1 to 4 [Member] | Substandard [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 3,598us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
3,522us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= slct_FamilyResidentialRealEstate1To4Member
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Home Equity Line Of Credit [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 38,481us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
  31,164us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
Home Equity Line Of Credit [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 38,481us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_TotalLoansMember
38,093us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Home Equity Line Of Credit [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 189us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
188us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Home Equity Line Of Credit [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 38,292us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
37,905us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Home Equity Line Of Credit [Member] | Pass [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 36,800us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_TotalLoansMember
36,357us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Home Equity Line Of Credit [Member] | Pass [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 189us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
188us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Home Equity Line Of Credit [Member] | Pass [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 36,611us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
36,169us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_PassMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Home Equity Line Of Credit [Member] | Special Mention [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 631us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_TotalLoansMember
695us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Home Equity Line Of Credit [Member] | Special Mention [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Home Equity Line Of Credit [Member] | Special Mention [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 631us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
695us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SpecialMentionMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
Home Equity Line Of Credit [Member] | Substandard [Member] | Total Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 1,050us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_TotalLoansMember
1,041us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_TotalLoansMember
 
Home Equity Line Of Credit [Member] | Substandard [Member] | Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_PurchaseCreditImpairmentLoansMember
 
Home Equity Line Of Credit [Member] | Substandard [Member] | Excluding Purchase Credit Impairment Loans [Member]      
Financing Receivable, Recorded Investment [Line Items]      
Loans $ 1,050us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
$ 1,041us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_CreditRatingAMBestAxis
= us-gaap_SubstandardMember
/ us-gaap_FinancialInstrumentAxis
= us-gaap_HomeEquityMember
/ slct_LoanAxis
= slct_ExcludingPurchaseCreditImpairmentLoansMember
 
[1] Derived from audited consolidated financial statements.