Goodwill and Intangibles Schedule of Goodwill by Segment (Details) (Annual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 0	$ 0
Goodwill, Gross	80,363	80,363	$ 80,363
Goodwill [Roll Forward]
Goodwill	60,678	60,678
Goodwill	60,678	60,678
Goodwill, Impaired, Accumulated Impairment Loss	19,685	19,685	19,685
Goodwill, Other Increase (Decrease)	0	0
Goodwill, Impairment Loss	0	0
Investment Management
Goodwill [Line Items]
Goodwill, Acquired During Period	0	0
Goodwill, Gross	29,026	29,026	29,026
Goodwill [Roll Forward]
Goodwill	18,826	18,826
Goodwill	18,826	18,826
Goodwill, Impaired, Accumulated Impairment Loss	10,200	10,200	10,200
Goodwill, Other Increase (Decrease)	0	0
Goodwill, Impairment Loss	0	0
Investment Bank
Goodwill [Line Items]
Goodwill, Acquired During Period	0	0
Goodwill, Gross	51,337	51,337	51,337
Goodwill [Roll Forward]
Goodwill	41,852	41,852
Goodwill	41,852	41,852
Goodwill, Impaired, Accumulated Impairment Loss	9,485	9,485	$ 9,485
Goodwill, Other Increase (Decrease)	0	0
Goodwill, Impairment Loss	$ 0	$ 0