Regulatory Capital Requirements and Other Regulatory Matters (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Tier 1 Capital (to adjusted tangible assets)
Actual, Amount (in dollars)	$ 179,881	$ 163,105
Actual, Ratio (as a percent)	9.18%	10.29%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	78,401	63,431
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	4.00%	4.00%
Tier I Risk-Based Capital (to risk-weighted assets)
Actual, Amount (in dollars)	179,881	163,105
Actual, Ratio (as a percent)	10.30%	12.54%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	69,855	52,046
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	4.00%	4.00%
Total capital (to risk-weighted assets)
Actual, Amount (in dollars)	252,477	171,305
Actual, Ratio (as a percent)	14.46%	13.17%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	139,709	104,092
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	8.00%	8.00%
Bank
Tier 1 Capital (to adjusted tangible assets)
Actual, Amount (in dollars)	221,523	160,473
Actual, Ratio (as a percent)	11.29%	10.03%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	78,466	64,025
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	4.00%	4.00%
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Amount (in dollars)	98,083	80,031
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio (as a percent)	5.00%	5.00%
Tier I Risk-Based Capital (to risk-weighted assets)
Actual, Amount (in dollars)	221,523	160,473
Actual, Ratio (as a percent)	12.72%	12.34%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	69,650	52,021
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	4.00%	4.00%
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Amount (in dollars)	104,475	78,031
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio (as a percent)	6.00%	6.00%
Total capital (to risk-weighted assets)
Actual, Amount (in dollars)	234,120	168,673
Actual, Ratio (as a percent)	13.45%	12.97%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	139,300	104,042
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	8.00%	8.00%
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Amount (in dollars)	$ 174,126	$ 130,052
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio (as a percent)	10.00%	10.00%