Goodwill And Intangible Assets (Summary Balance Sheet And Income Statement Information For Affiliate) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash					$ 30,644					$ 30,644
Loans held for sale					27,822					27,822
Other assets	34,889				34,238				34,889	34,238
Total assets					1,085,258					1,085,258
Other liabilities					9,043					9,043
Total liabilities					959,823					959,823
Shareholders' Equity	136,353				125,435				136,353	125,435	117,122	111,020
Total liabilities and shareholders’ equity					1,085,258					1,085,258
Net Income	3,280	4,204	3,286	2,688	3,356	2,612	3,315	2,544	13,458	11,827	9,465
RML [Member]
Cash	13,547				9,925				13,547	9,925
Loans held for sale	59,840				77,896				59,840	77,896
Other assets	15,777				14,935				15,777	14,935
Total assets	89,164				102,756				89,164	102,756
Lines of credit	56,932				74,595				56,932	74,595
Other liabilities	7,481				6,834				7,481	6,834
Total liabilities	64,413				81,429				64,413	81,429
Shareholders' Equity	24,751				21,327				24,751	21,327
Total liabilities and shareholders’ equity	89,164				102,756				89,164	102,756
Gross income									31,113	23,569
Total expense									20,033	17,751
Joint venture allocations									84	(144)
Net Income									$ 11,164	$ 5,674