Regulatory Capital - Actual Amount and Capital Ratios of Company and Bank (Details) $ in Thousands	Jun. 30, 2016 USD ($)
Company
Total Capital to Risk Weighted Assets
Total Capital to Risk Weighted Assets, Actual Capital Amount	$ 148,592
Total Capital to Risk Weighted Assets, Actual Capital Ratio	15.00%
Total Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Amount	$ 79,034
Tier 1 Capital to Risk Weighted Assets
Tier 1 Capital to Risk Weighted Assets, Actual Capital Amount	$ 136,126
Tier 1 Capital to Risk Weighted Asset, Actual Capital Ratio	13.80%
Tier 1 Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Amount	$ 59,275
Tier 1 Capital to Average Assets
Tier 1 Capital to Average Assets, Actual Capital Amount	$ 136,126
Tier 1 Capital to Average Asset, Actual Capital Ratio	12.40%
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Amount	$ 43,970
Bank
Total Capital to Risk Weighted Assets
Total Capital to Risk Weighted Assets, Actual Capital Amount	$ 130,121
Total Capital to Risk Weighted Assets, Actual Capital Ratio	13.50%
Total Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Amount	$ 77,180
Total Capital to Risk Weighted Assets To be Categorized as Well Capitalized, Amount	96,475
Tier 1 Capital to Risk Weighted Assets
Tier 1 Capital to Risk Weighted Assets, Actual Capital Amount	$ 117,942
Tier 1 Capital to Risk Weighted Asset, Actual Capital Ratio	12.20%
Tier 1 Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Amount	$ 57,885
Tier 1 Capital to Risk Weighted Assets, To be Categorized As Well Capitalized, Amount	77,180
Tier 1 Capital to Average Assets
Tier 1 Capital to Average Assets, Actual Capital Amount	$ 117,942
Tier 1 Capital to Average Asset, Actual Capital Ratio	10.90%
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Amount	$ 43,369
Tier 1 Capital to Risk Weighted Assets, To be Categorized As Well Capitalized, Amount	$ 54,211
Minimum | Company
Total Capital to Risk Weighted Assets
Total Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Ratio	8.00%
Tier 1 Capital to Risk Weighted Assets
Tier 1 Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Ratio	6.00%
Tier 1 Capital to Average Assets
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Ratio	4.00%
Minimum | Bank
Total Capital to Risk Weighted Assets
Total Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Ratio	8.00%
Total Capital to Risk Weighted Assets To be Categorized as Well Capitalized, Ratio	10.00%
Tier 1 Capital to Risk Weighted Assets
Tier 1 Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Ratio	6.00%
Tier 1 Capital to Risk Weighted Assets, To be Categorized As Well Capitalized, Ratio	8.00%
Tier 1 Capital to Average Assets
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Ratio	4.00%
Tier 1 Capital to Average Assets, To be Categorized As Well Capitalized, Ratio	5.00%
Common stock | Company
Tier 1 Capital to Risk Weighted Assets
Tier 1 Capital to Risk Weighted Assets, Actual Capital Amount	$ 123,818
Tier 1 Capital to Risk Weighted Asset, Actual Capital Ratio	12.50%
Tier 1 Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Amount	$ 44,457
Common stock | Bank
Tier 1 Capital to Risk Weighted Assets
Tier 1 Capital to Risk Weighted Assets, Actual Capital Amount	$ 117,942
Tier 1 Capital to Risk Weighted Asset, Actual Capital Ratio	12.20%
Tier 1 Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Amount	$ 43,414
Tier 1 Capital to Risk Weighted Assets, To be Categorized As Well Capitalized, Amount	$ 62,709
Common stock | Minimum | Company
Tier 1 Capital to Risk Weighted Assets
Tier 1 Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Ratio	4.50%
Common stock | Minimum | Bank
Tier 1 Capital to Risk Weighted Assets
Tier 1 Capital to Risk Weighted Assets, For Capital Adequacy Purposes, Ratio	4.50%
Tier 1 Capital to Risk Weighted Assets, To be Categorized As Well Capitalized, Ratio	6.50%