Mortgage Banking Activities (Details 4) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Estimated amortization expense
2013	$ 1,352
2014	1,252
2015	1,157
2016	1,107
2017	$ 776

Estimated amortization expenses next twelve months.

No definition available.

Name:	ucfc_EstimatedAmortizationExpensesNextTwelveMonths
Namespace Prefix:	ucfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant