Goodwill and Other Intangibles (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Aug. 01, 2015	Aug. 31, 2005
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 64,059	$ 64,059		$ 5,945
Amortization of intangibles	$ 1,284	$ 904	$ 644
Non-compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life (in years)	18 months
Weston Financial acquisition [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill					$ 35,500
Weston Financial acquisition [Member] | Advisory Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life (in years)	20 years
Halsey acquisition [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill				$ 5,900
Halsey acquisition [Member] | Advisory Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life (in years)	15 years