Goodwill, Intangible and Other 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, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash	$ 36,036				$ 33,112				$ 36,036	$ 33,112
Loans held for sale	43,866				11,301				43,866	11,301
Other assets	55,399				40,666				55,399	40,666
Total assets	1,449,349				1,215,006				1,449,349	1,215,006
Other liabilities	40,456				20,737				40,456	20,737
Total liabilities	1,284,908				1,070,688				1,284,908	1,070,688
Shareholders' Equity	164,441				144,318				164,441	144,318	136,353	125,435
Total Liabilities and Shareholders' Equity	1,449,349				1,215,006				1,449,349	1,215,006
Net Income	6,804	3,898	4,464	2,703	2,579	3,464	3,605	2,764	17,867	12,412	13,458
RML
Cash	11,434				11,852				11,434	11,852
Loans held for sale	44,226				24,807				44,226	24,807
Other assets	12,226				14,084				12,226	14,084
Total assets	67,886				50,743				67,886	50,743
Lines of credit	40,167				21,949				40,167	21,949
Other liabilities	6,346				5,652				6,346	5,652
Total liabilities	46,513				27,601				46,513	27,601
Shareholders' Equity	21,373				23,142				21,373	23,142
Total Liabilities and Shareholders' Equity	67,886				50,743				67,886	50,743
Gross income									19,371	22,224
Total expense									15,072	18,313
Joint venture allocations									186	555
Net Income									$ 4,485	$ 4,466