XML 60 R48.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Purchased Credit Impaired ("PCI") Loans - Summary of FDIC Loss Share Receivable (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015
FDIC Indemnification Asset [Roll Forward] |  |
Cash received from the FDIC for covered assets | $ 0 | $ (1,725)

X
- Definition Net cash proceeds received from FDIC loss share receivable + References No definition available. + Details
Name: | efsc_NetCashProceedsReceivedFromFdicLossShareReceivable
Namespace Prefix: | efsc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FDICIndemnificationAssetRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration