Dividend Restrictions and Regulatory Capital (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Disclosure of Restrictions on Dividends, Loans and Advances Disclosure [Abstract]
Amount available for dividend distribution without prior approval from regulatory agency	$ 24,374
Company
Common Equity Tier 1 Capital, Amount [Abstract]
Actual Amount	183,579	$ 166,968
Required for Capital Adequacy Purposes	$ 65,843	$ 83,476
Common Equity Tier 1 Capital, Ratios [Abstract]
Actual Ratio	12.55%	11.50%
Required for Capital Adequacy Purposes	4.50%	5.75%
Tier 1 Capital, Actual Amount [Abstract]
Actual Amount	$ 211,506	$ 194,794
Required for Capital Adequacy Purposes	$ 87,791	$ 105,253
Tier 1 Capital, Ratios [Abstract]
Actual Ratio	14.46%	13.42%
Required for Capital Adequacy Purposes	6.00%	7.25%
Total Capital, Actual Amount [Abstract]
Actual Amount	$ 224,528	$ 208,973
Required for Capital Adequacy Purposes	$ 117,054	$ 134,288
Total Capital, Ratios [Abstract]
Actual Ratio	15.35%	14.39%
Required for Capital Adequacy Purposes	8.00%	9.25%
Leverage Capital, Actual Amount [Abstract]
Actual Amount	$ 211,506	$ 194,794
Required for Capital Adequacy Purposes	$ 72,817	$ 71,128
Leverage Capital, Ratios [Abstract]
Actual Ratio	11.62%	10.95%
Required for Capital Adequacy Purposes	4.00%	4.00%
Bank
Common Equity Tier 1 Capital, Amount [Abstract]
Actual Amount	$ 198,991	$ 184,656
Required for Capital Adequacy Purposes	92,740	83,024
To Be Well Capitalized Under Prompt Corrective Action Provisions	$ 94,559	$ 93,854
Common Equity Tier 1 Capital, Ratios [Abstract]
Actual Ratio	13.68%	12.79%
Required for Capital Adequacy Purposes	6.375%	5.75%
To Be Well Capitalized Under Prompt Corrective Action Provisions	6.50%	6.50%
Tier 1 Capital, Actual Amount [Abstract]
Actual Amount	$ 198,991	$ 184,656
Required for Capital Adequacy Purposes	114,561	104,683
To Be Well Capitalized Under Prompt Corrective Action Provisions	$ 116,380	$ 115,512
Tier 1 Capital, Ratios [Abstract]
Actual Ratio	13.68%	12.79%
Required for Capital Adequacy Purposes	7.875%	7.25%
To Be Well Capitalized Under Prompt Corrective Action Provisions	8.00%	8.00%
Total Capital, Actual Amount [Abstract]
Actual Amount	$ 212,013	$ 198,465
Required for Capital Adequacy Purposes	143,656	133,561
To Be Well Capitalized Under Prompt Corrective Action Provisions	$ 145,475	$ 144,390
Total Capital, Ratios [Abstract]
Actual Ratio	14.57%	13.75%
Required for Capital Adequacy Purposes	9.875%	9.25%
To Be Well Capitalized Under Prompt Corrective Action Provisions	10.00%	10.00%
Leverage Capital, Actual Amount [Abstract]
Actual Amount	$ 198,991	$ 184,656
Required for Capital Adequacy Purposes	72,422	70,796
To Be Well Capitalized Under Prompt Corrective Action Provisions	$ 90,528	$ 88,495
Leverage Capital, Ratios [Abstract]
Actual Ratio	10.99%	10.43%
Required for Capital Adequacy Purposes	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions	5.00%	5.00%