XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Deposits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Deposits [Abstract] |
Schedule of Time Deposit Maturities | The following is a summary of the scheduled maturities of all time deposits as of December 31, 2015 (in thousands):
2016 | $ | 121,827
2017 |  | 49,582
2018 |  | 45,758
2019 |  | 13,242
2020 |  | 24,166
Thereafter |  | 0
Total | $ | 254,575

X
- Definition Tabular disclsoure of the scheduled maturities of time deposits. + References No definition available. + Details
Name: | func_ScheduleOfTimeDepositMaturitiesTableTextBlock
Namespace Prefix: | func_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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