Annual report pursuant to Section 13 and 15(d)

Segment Information (Reconciliation of EBITDA) (Details)

Segment Information (Reconciliation of EBITDA) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Income before income taxes	$ 369	$ 15,297	$ 9,513	$ 4,828	$ 12,988	$ 12,657	$ 13,884	$ 7,636	$ 30,007	$ 47,165	$ 1,180
Interest income									(2,906)	(2,504)	(506)
Change in fair value of contingent consideration	374	93	85	112	73	54	50	61	664	238	(19)
Interest									23,119	10,796	2,710
Depreciation and amortization									22,294	24,039	28,835
Non-cash compensation									6,106	5,882	5,539
Amortization of retention and forgivable loans									549	417	7,396
Amortization of contract acquisition costs									11,759	9,671	0
Financial advisor recruiting expense									55	370	5,721
Acquisition-related expense									5,887	1,010	3,469
Loss attributable to noncontrolling interest	$ (16)	$ 79	$ (20)	$ (1)	$ (6)	$ (13)	$ (8)	$ (1)	42	(28)	15
Other									3,655	3,392	1,661
EBITDA, as adjusted									101,231	100,448	56,001
Severance costs									1,697
Excise and franchise tax expense									548
Deferred compensation liability									6,106	5,882	5,539
Share repurchase fees and other legal matters									19,403	21,927	19,588
Reversal of write off of sublease commitment									(275)
Corporate
Segment Reporting Information [Line Items]
Income before income taxes									(50,756)	(29,030)	(19,686)
Interest									22,393	9,357	870
Depreciation and amortization									22	19	34
Non-cash compensation									4,375	3,844	3,692
EBITDA, as adjusted									(17,320)	(15,095)	(14,568)
Independent Advisory and Brokerage Services \| Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes									65,517	62,748	19,858
Interest									478	905	1,157
Depreciation and amortization									19,901	22,403	21,455
Non-cash compensation									1,016	1,220	1,035
EBITDA, as adjusted									99,408	98,411	59,756
Ladenburg \| Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes									10,501	11,464	6,346
Interest									13	62	0
Depreciation and amortization									485	471	505
Non-cash compensation									715	705	629
EBITDA, as adjusted									11,498	12,966	8,115
Insurance Brokerage \| Operating Segments
Segment Reporting Information [Line Items]
Income before income taxes									4,745	1,983	(5,338)
Interest									235	472	683
Depreciation and amortization									1,886	1,146	6,841
Non-cash compensation									0	113	183
EBITDA, as adjusted									7,645	4,166	2,698
Other Adjustments to Income
Segment Reporting Information [Line Items]
Severance costs										481	525
Excise and franchise tax expense										629	594
Deferred compensation liability									1,470	535	$ 559
Share repurchase fees and other legal matters									$ 215	$ 1,747