XML 37 R25.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Purchased Credit Impaired ("PCI") Loans (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Covered Loans [Line Items] |
Rollforward of PCI Loans, Net of Allowance for Loan Losses | The following table is a rollforward of PCI loans, net of the allowance for loan losses, for the six months ended June 30, 2017 and 2016.
(in thousands) | Contractual Cashflows |  | Non-accretable Difference |  | Accretable Yield |  | Carrying Amount
Balance December 31, 2016 | $ | 66,003 |  |  | $ | 18,902 |  |  | $ | 13,176 |  |  | $ | 33,925 |
Acquisitions | 68,763 |  |  | 14,296 |  |  | 5,312 |  |  | 49,155 |
Principal reductions and interest payments | (10,781 | ) |  | — |  |  | — |  |  | (10,781 | )
Accretion of loan discount | — |  |  | — |  |  | (3,534 | ) |  | 3,534 |
Changes in contractual and expected cash flows due to remeasurement | 5,641 |  |  | (1,383 | ) |  | 1,328 |  |  | 5,696 |
Reductions due to disposals | (5,070 | ) |  | (1,317 | ) |  | (1,398 | ) |  | (2,355 | )
Balance June 30, 2017 | $ | 124,556 |  |  | $ | 30,498 |  |  | $ | 14,884 |  |  | $ | 79,174 |
Balance December 31, 2015 | $ | 116,689 |  |  | $ | 26,765 |  |  | $ | 25,341 |  |  | $ | 64,583 |
Principal reductions and interest payments | (11,768 | ) |  | — |  |  | — |  |  | (11,768 | )
Accretion of loan discount | — |  |  | — |  |  | (3,431 | ) |  | 3,431 |
Changes in contractual and expected cash flows due to remeasurement | 6,144 |  |  | 1,522 |  |  | (788 | ) |  | 5,410 |
Reductions due to disposals | (21,663 | ) |  | (4,912 | ) |  | (3,073 | ) |  | (13,678 | )
Balance June 30, 2016 | $ | 89,402 |  |  | $ | 23,375 |  |  | $ | 18,049 |  |  | $ | 47,978 |
Covered Loans |
Covered Loans [Line Items] |
Summary of PCI Loans by Category | Below is a summary of PCI loans by category at June 30, 2017 and December 31, 2016:
| June 30, 2017 |  | December 31, 2016
(in thousands) | Weighted- Average Risk Rating 1 | Recorded Investment PCI Loans |  | Weighted- Average Risk Rating 1 | Recorded Investment PCI Loans
Commercial and industrial | 6.02 | $ | 4,059 |  |  | 5.87 | $ | 3,523 |
Real estate: |  |  |  |  |
Commercial - investor owned | 7.35 | 46,180 |  |  | 6.95 | 8,162 |
Commercial - owner occupied | 6.55 | 12,743 |  |  | 6.39 | 11,863 |
Construction and land development | 5.84 | 7,883 |  |  | 5.80 | 4,365 |
Residential | 6.15 | 13,370 |  |  | 5.64 | 11,792 |
Total real estate loans |  | 80,176 |  |  |  | 36,182 |
Consumer and other | 2.81 | 65 |  |  | 1.64 | 64 |
Purchased credit impaired loans |  | $ | 84,300 |  |  |  | $ | 39,769 |
1 Risk ratings are based on the borrower's contractual obligation, which is not reflective of the purchase discount.
Summary of Aging of Recorded Investment in Past Due PCI Loans by Portfolio Class and Category | The aging of the recorded investment in past due PCI loans by portfolio class and category at June 30, 2017 and December 31, 2016 is shown below:
| June 30, 2017
(in thousands) | 30-89 Days Past Due |  | 90 or More Days Past Due |  | Total Past Due |  | Current |  | Total
Commercial and industrial | $ | — |  |  | $ | 50 |  |  | $ | 50 |  |  | $ | 4,009 |  |  | $ | 4,059 |
Real estate: |  |  |  |  |  |  |  |  |
Commercial - investor owned | 4,052 |  |  | — |  |  | 4,052 |  |  | 42,128 |  |  | 46,180 |
Commercial - owner occupied | 653 |  |  | 401 |  |  | 1,054 |  |  | 11,689 |  |  | 12,743 |
Construction and land development | — |  |  | 366 |  |  | 366 |  |  | 7,517 |  |  | 7,883 |
Residential | 400 |  |  | 1,303 |  |  | 1,703 |  |  | 11,667 |  |  | 13,370 |
Consumer and other | — |  |  | — |  |  | — |  |  | 65 |  |  | 65 |
Total | $ | 5,105 |  |  | $ | 2,120 |  |  | $ | 7,225 |  |  | $ | 77,075 |  |  | $ | 84,300 |
| December 31, 2016
(in thousands) | 30-89 Days Past Due |  | 90 or More Days Past Due |  | Total Past Due |  | Current |  | Total
Commercial and industrial | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 3,523 |  |  | $ | 3,523 |
Real estate: |  |  |  |  |  |  |  |  |
Commercial - investor owned | — |  |  | — |  |  | — |  |  | 8,162 |  |  | 8,162 |
Commercial - owner occupied | — |  |  | — |  |  | — |  |  | 11,863 |  |  | 11,863 |
Construction and land development | — |  |  | — |  |  | — |  |  | 4,365 |  |  | 4,365 |
Residential | 169 |  |  | 51 |  |  | 220 |  |  | 11,572 |  |  | 11,792 |
Consumer and other | — |  |  | — |  |  | — |  |  | 64 |  |  | 64 |
Total | $ | 169 |  |  | $ | 51 |  |  | $ | 220 |  |  | $ | 39,549 |  |  | $ | 39,769 |
Summary of FDIC Loss Share Receivable | .

X
- Definition Covered Loans [Line Items] + References No definition available. + Details
Name: | efsc_CoveredLoansLineItems
Namespace Prefix: | efsc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rollforward of Covered Loans [Table Text Block] + References No definition available. + Details
Name: | efsc_RollforwardofCoveredLoansTableTextBlock
Namespace Prefix: | efsc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of Changes in Accretable Yield for Purchased Loans [Table Text Block] + References No definition available. + Details
Name: | efsc_SummaryOfChangesInAccretableYieldForPurchasedLoansTableTextBlock
Namespace Prefix: | efsc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary Of Covered Loans By Category [Table Text Block] + References No definition available. + Details
Name: | efsc_SummaryOfCoveredLoansByCategoryTableTextBlock
Namespace Prefix: | efsc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_PastDueFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | efsc_LoansByMajorCategoryAxis=efsc_CoveredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |