Loans and Allowance for Loan Losses - Allowance for Loan Losses Outstanding by Impairment Methodology (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	$ 7,702	$ 6,516
Collectively evaluated for impairment	35,595	32,466
Non-residential real estate owner occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	372	217
Collectively evaluated for impairment	4,869	4,497
Non-residential real estate other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	1,881	2,663
Collectively evaluated for impairment	9,357	8,203
Residential real estate permanent mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	539	222
Collectively evaluated for impairment	2,771	2,511
Residential real estate all other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	736	1,794
Collectively evaluated for impairment	6,079	5,555
Non-consumer non-real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	3,567	1,124
Collectively evaluated for impairment	8,400	7,627
Consumer non-real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	417	265
Collectively evaluated for impairment	2,228	2,124
Other loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment	190	231
Collectively evaluated for impairment	1,803	1,730
Acquired loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated for impairment
Collectively evaluated for impairment	$ 88	$ 219