Regulatory Capital Requirements and Other Regulatory Matters (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Tier 1 Capital (to adjusted tangible assets)
Actual, Amount (in dollars)	$ 254,280	$ 179,881
Actual, Ratio (as a percent)	9.52%	9.18%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	$ 106,886	$ 78,401
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	4.00%	4.00%
Common Equity Tier 1 Risk-Based Capital (to adjusted tangible assets)
Actual, Amount (in dollars)	$ 245,224
Actual, Ratio (as a percent)	9.91%
Minimum Required for Capital Adequacy Purposes (in dollars)	$ 111,336
Minimum Required for Capital Adequacy Purposes (as a percent)	4.50%
Tier 1 Risk-Based Capital (to risk-weighted assets)
Actual, Amount (in dollars)	$ 254,280	$ 179,881
Actual, Ratio (as a percent)	10.28%	10.30%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	$ 148,448	$ 69,855
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	6.00%	4.00%
Total Capital (to risk-weighted assets)
Actual, Amount (in dollars)	$ 332,200	$ 252,477
Actual, Ratio (as a percent)	13.43%	14.46%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	$ 197,931	$ 139,709
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)	$ 304,442	$ 221,523
Actual, Ratio (as a percent)	11.41%	11.29%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	$ 106,684	$ 78,466
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)	$ 133,354	$ 98,083
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio (as a percent)	5.00%	5.00%
Common Equity Tier 1 Risk-Based Capital (to adjusted tangible assets)
Actual, Amount (in dollars)	$ 304,442
Actual, Ratio (as a percent)	12.35%
Minimum Required for Capital Adequacy Purposes (in dollars)	$ 110,954
Minimum Required for Capital Adequacy Purposes (as a percent)	4.50%
Required to be Well Capitalized Under Prompt Corrective Action Regulations (in dollars)	$ 160,267
Required to be Well Capitalized Under Prompt Corrective Action Regulations (as a percent)	6.50%
Tier 1 Risk-Based Capital (to risk-weighted assets)
Actual, Amount (in dollars)	$ 304,442	$ 221,523
Actual, Ratio (as a percent)	12.35%	12.72%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	$ 147,938	$ 69,650
Minimum Required for Capital Adequacy Purposes Ratio (as a percent)	6.00%	4.00%
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Amount (in dollars)	$ 197,251	$ 104,475
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio (as a percent)	8.00%	6.00%
Total Capital (to risk-weighted assets)
Actual, Amount (in dollars)	$ 322,361	$ 234,120
Actual, Ratio (as a percent)	13.07%	13.45%
Minimum Required for Capital Adequacy Purposes Amount (in dollars)	$ 197,251	$ 139,300
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)	$ 246,564	$ 174,126
Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio (as a percent)	10.00%	10.00%