Loans, Allowance for Loan Losses and Credit Quality (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Accounts, Notes, Loans and Financing Receivable
30-59 Days	$ 739	$ 645
60-89 Days	1,301	895
Past Due 90 Days or More-Nonaccrual	4,576	4,366
Total Past Due	6,616	5,906
Total Current	605,521	510,510
Total loans	612,137	516,416
Non-Accrual Loans	10,750	7,325
Residential
Accounts, Notes, Loans and Financing Receivable
Total loans	108,343	120,659
Home equity
Accounts, Notes, Loans and Financing Receivable
Total loans	24,326	27,975
Commercial real estate.
Accounts, Notes, Loans and Financing Receivable
Total loans	348,676	316,098
Commercial business
Accounts, Notes, Loans and Financing Receivable
Total loans	123,133	41,800
Consumer.
Accounts, Notes, Loans and Financing Receivable
Total loans	7,659	9,884
Originated
Accounts, Notes, Loans and Financing Receivable
30-59 Days	653	645
60-89 Days	1,002	895
Past Due 90 Days or More-Nonaccrual	2,166	2,371
Total Past Due	3,821	3,911
Total Current	405,724	309,055
Total loans	409,545	312,966
Non-Accrual Loans	4,218	3,209
Originated | Residential
Accounts, Notes, Loans and Financing Receivable
30-59 Days	239	222
60-89 Days	973	728
Past Due 90 Days or More-Nonaccrual	1,393	1,573
Total Past Due	2,605	2,523
Total Current	103,670	114,449
Total loans	106,275	116,972
Non-Accrual Loans	3,021	1,743
Originated | Home equity
Accounts, Notes, Loans and Financing Receivable
30-59 Days	9	109
60-89 Days		7
Past Due 90 Days or More-Nonaccrual	11	120
Total Past Due	20	236
Total Current	24,306	27,739
Total loans	24,326	27,975
Non-Accrual Loans	11	160
Originated | Commercial real estate.
Accounts, Notes, Loans and Financing Receivable
30-59 Days	300	126
60-89 Days		136
Past Due 90 Days or More-Nonaccrual	704	629
Total Past Due	1,004	891
Total Current	147,421	115,726
Total loans	148,425	116,617
Non-Accrual Loans	994	1,162
Originated | Commercial business
Accounts, Notes, Loans and Financing Receivable
Past Due 90 Days or More-Nonaccrual	2
Total Past Due	2
Total Current	122,858	41,518
Total loans	122,860	41,518
Non-Accrual Loans	2	5
Originated | Consumer.
Accounts, Notes, Loans and Financing Receivable
30-59 Days	105	188
60-89 Days	29	24
Past Due 90 Days or More-Nonaccrual	56	49
Total Past Due	190	261
Total Current	7,469	9,623
Total loans	7,659	9,884
Non-Accrual Loans	190	139
Purchased
Accounts, Notes, Loans and Financing Receivable
30-59 Days	86
60-89 Days	299
Past Due 90 Days or More-Nonaccrual	2,410	1,995
Total Past Due	2,795	1,995
Total Current	199,797	201,455
Total loans	202,592	203,450
Non-Accrual Loans	6,532	4,116
Purchased | Residential
Accounts, Notes, Loans and Financing Receivable
Total Current	2,068	3,687
Total loans	2,068	3,687
Purchased | Commercial real estate.
Accounts, Notes, Loans and Financing Receivable
30-59 Days	86
60-89 Days	299
Past Due 90 Days or More-Nonaccrual	2,410	1,995
Total Past Due	2,795	1,995
Total Current	197,456	197,486
Total loans	200,251	199,481
Non-Accrual Loans	6,532	4,116
Purchased | Commercial business
Accounts, Notes, Loans and Financing Receivable
Total Current	273	282
Total loans	$ 273	$ 282