Goodwill And Intangible Assets (Intangible Assets Subject To Amortization) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 99,403	$ 82,443
Accumulated Amortization	47,123	34,672
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	63,661	51,166
Accumulated Amortization	29,636	24,034
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	21,423	18,442
Accumulated Amortization	5,322	3,585
Investment Banking Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	7,388	7,388
Accumulated Amortization	7,388	6,871
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	5,447	5,447
Accumulated Amortization	4,657	182
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	1,484
Accumulated Amortization	$ 120