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R114.htm
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Loan Servicing (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Banking and Thrift [Abstract]
Unpaid balance of loans serviced for others
$ 549,618
$ 369,592
$ 312,204
X
- Definition
Unpaid Principal Balance Of Loans Serviced For Others
+ References
No definition available.
+ Details
Name:
frme_UnpaidPrincipalBalanceOfLoansServicedForOthers
Namespace Prefix:
frme_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_BankingAndThriftAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration