CAPITAL REQUIREMENTS AND RESTRICTIONS ON RETAINED EARNINGS (Summary Of Capital Adequacy Requirements) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Consolidated Entities [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital (to Risk Weighted Assets), Actual Amount	$ 498,189	$ 457,456
Total Capital (to Risk Weighted Assets), Actual Ratio	13.23%	13.73%
Tier I Capital (to Risk Weighted Assets), Actual Amount	$ 454,382	$ 415,700
Tier I Capital (to Risk Weighted Assets), Actual Ratio	12.07%	12.48%
Common Equity Tier 1 (CET1), Actual Amount	$ 424,382	$ 385,700
Common Equity Tier 1 (CET1), Actual Ratio	11.27%	11.58%
Tier I Capital (to Average Assets), Actual Amount	$ 454,382	$ 415,700
Tier I Capital (to Average Assets), Actual Ratio	10.86%	11.10%
Total Capital (to Risk Weighted Assets), Minimum Required For Capital Adequacy Purposes Amount	$ 301,243	$ 266,524
Total Capital (to Risk Weighted Assets), Minimum Required For Capital Adequacy Purposes Ratio	8.00%	8.00%
Tier I Capital (to Risk Weighted Assets), Minimum Required For Capital Adequacy Purposes Amount	$ 225,932	$ 199,893
Tier I Capital (to Risk Weighted Assets), Minimum Required For Capital Adequacy Purposes Ratio	6.00%	6.00%
Common Equity Tier 1 (CET1), Minimum Required For Capital Adequacy Purposes Amount	$ 169,449	$ 149,920
Common Equity Tier 1 (CET1), Minimum Required For Capital Adequacy Purposes Ratio	4.50%	4.50%
Tier I Capital (to Average Assets), Minimum Required For Capital Adequacy Purposes Amount	$ 167,310	$ 149,841
Excess Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer Amount	$ 324,777
Excess Capital to Risk Weighted Assets, For Capital Adequacy Purposes Plus Capital Conservation Buffer Ratio	8.625%
Tier I Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Plus Capital Conservation Buffer Amount	$ 249,467
Tier I Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Plus Capital Conservation Buffer Ratio	6.625%
Common Equity Tier 1 (CET1), For Capital Adequacy Purposes Plus Capital Conservation Buffer Amount	$ 192,984
Common Equity Tier 1 (CET1), For Capital Adequacy Purposes Plus Capital Conservation Buffer Ratio	5.125%
Tier I Capital (to Average Assets), For Capital Adequacy Purposes Plus Capital Conservation Buffer Amount	$ 167,310
Tier I Capital (to Average Assets), For Capital Adequacy Purposes Plus Capital Conservation Buffer Ratio	4.00%
Tier I Capital (to Average Assets), Minimum Required For Capital Adequacy Purposes Ratio	4.00%	4.00%
Total Capital (to Risk Weighted Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 376,554	$ 333,155
Total Capital (to Risk Weighted Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Ratio	10.00%	10.00%
Tier I Capital (to Risk Weighted Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 301,243	$ 266,524
Tier I Capital (to Risk Weighted Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Ratio	8.00%	8.00%
Common Equity Tier 1 (CET1), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 244,760	$ 216,551
Common Equity Tier 1 (CET1), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Ratio	6.50%	6.50%
Tier I Capital (to Average Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 209,138	$ 187,301
Tier I Capital (to Average Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Ratio	5.00%	5.00%
Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital (to Risk Weighted Assets), Actual Amount	$ 482,600	$ 446,463
Total Capital (to Risk Weighted Assets), Actual Ratio	12.84%	13.42%
Tier I Capital (to Risk Weighted Assets), Actual Amount	$ 438,793	$ 404,771
Tier I Capital (to Risk Weighted Assets), Actual Ratio	11.67%	12.17%
Common Equity Tier 1 (CET1), Actual Amount	$ 438,793	$ 404,771
Common Equity Tier 1 (CET1), Actual Ratio	11.67%	12.17%
Tier I Capital (to Average Assets), Actual Amount	$ 438,793	$ 404,771
Tier I Capital (to Average Assets), Actual Ratio	10.54%	10.86%
Total Capital (to Risk Weighted Assets), Minimum Required For Capital Adequacy Purposes Amount	$ 300,784	$ 266,106
Total Capital (to Risk Weighted Assets), Minimum Required For Capital Adequacy Purposes Ratio	8.00%	8.00%
Tier I Capital (to Risk Weighted Assets), Minimum Required For Capital Adequacy Purposes Amount	$ 225,588	$ 199,580
Tier I Capital (to Risk Weighted Assets), Minimum Required For Capital Adequacy Purposes Ratio	6.00%	6.00%
Common Equity Tier 1 (CET1), Minimum Required For Capital Adequacy Purposes Amount	$ 169,191	$ 149,685
Common Equity Tier 1 (CET1), Minimum Required For Capital Adequacy Purposes Ratio	4.50%	4.50%
Tier I Capital (to Average Assets), Minimum Required For Capital Adequacy Purposes Amount	$ 166,522	$ 149,051
Excess Capital, For Capital Adequacy Purposes Plus Capital Conservation Buffer Amount	$ 324,283
Excess Capital to Risk Weighted Assets, For Capital Adequacy Purposes Plus Capital Conservation Buffer Ratio	8.625%
Tier I Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Plus Capital Conservation Buffer Amount	$ 249,087
Tier I Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Plus Capital Conservation Buffer Ratio	6.625%
Common Equity Tier 1 (CET1), For Capital Adequacy Purposes Plus Capital Conservation Buffer Amount	$ 192,690
Common Equity Tier 1 (CET1), For Capital Adequacy Purposes Plus Capital Conservation Buffer Ratio	5.125%
Tier I Capital (to Average Assets), For Capital Adequacy Purposes Plus Capital Conservation Buffer Amount	$ 166,522
Tier I Capital (to Average Assets), For Capital Adequacy Purposes Plus Capital Conservation Buffer Ratio	4.00%
Tier I Capital (to Average Assets), Minimum Required For Capital Adequacy Purposes Ratio	4.00%	4.00%
Total Capital (to Risk Weighted Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 375,980	$ 332,633
Total Capital (to Risk Weighted Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Ratio	10.00%	10.00%
Tier I Capital (to Risk Weighted Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 300,784	$ 266,106
Tier I Capital (to Risk Weighted Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Ratio	8.00%	8.00%
Common Equity Tier 1 (CET1), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 244,387	$ 216,211
Common Equity Tier 1 (CET1), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Ratio	6.50%	6.50%
Tier I Capital (to Average Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 208,153	$ 186,313
Tier I Capital (to Average Assets), Minimum Required to Be Well Capitalized Under Prompt Corrective Action Regulations Ratio	5.00%	5.00%