Consolidated Statements of Equity - USD ($) $ in Thousands	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests	Total
Balance at Beginning at Dec. 31, 2016		$ 2	$ 141,170	$ 9,887	$ (1,712)	$ 1,045	$ 150,392
Balance at Beginning, shares at Dec. 31, 2016		19,140,342
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for acquisition of MK Capital, LLC - contingent equity consideration on February 2, 2017			1,151				1,151
Issuance of common stock for acquisition of MK Capital, LLC - contingent equity consideration on February 2, 2017 (in shares)		166,666
Issuance of common stock for acquisition of Dialectic general partner interests on April 13, 2017			1,952				1,952
Issuance of common stock for acquisition of Dialectic general partner interests on April 13, 2017 (in shares)		158,484
Issuance of common stock for acquisition of FBR & Co. on June 1, 2017			$ 73,471				$ 73,471
Issuance of common stock for acquisition of FBR & Co. on June 1, 2017 (in shares)		4,779,354
Issuance of common stock and common stock warrants for acquisition of Wunderlich on July 3, 2017			35,381				35,381
Issuance of common stock and common stock warrants for acquisition of Wunderlich on July 3, 2017 (in shares)		$ 1,974,812
Vesting of restricted stock, net of shares withheld for employer taxes			$ (3,486)				$ (3,486)
Vesting of restricted stock, net of shares withheld for employer taxes, shares		349,804
Common stock warrants repurchased
Share based payments			10,341				10,341
Dividends on common stock				(14,861)			(14,861)
Dividends on preferred stock
Net income				11,556		(307)	11,249
Distribution to noncontrolling interest						(922)	(922)
Foreign currency translation adjustment					1,178		1,178
Balance at End at Dec. 31, 2017		$ 2	259,980	6,582	(534)	(184)	265,846
Balance at End, shares at Dec. 31, 2017		26,569,462
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for acquisition of GlassRatner Advisory & Capital Group LLC			8,050				8,050
Issuance of common stock for acquisition of GlassRatner Advisory & Capital Group LLC, shares		405,817
ESPP shares issued and vesting of restricted stock, net of shares withheld for employer taxes			(3,731)				(3,731)
ESPP shares issued and vesting of restricted stock, net of shares withheld for employer taxes, shares		682,442
Common stock repurchased and retired			(18,703)				(18,703)
Common stock repurchased and retired, shares		(1,033,133)
Common stock warrants repurchased
Common shares cancelled - resolution of escrow claim		(21,233)
Share based payments			13,042				13,042
Dividends on common stock				(20,512)			(20,512)
Dividends on preferred stock
Net income				15,509		786	16,295
Distribution to noncontrolling interest					(1,627)
Foreign currency translation adjustment							(1,627)
Balance at End at Dec. 31, 2018		$ 2	258,638	1,579	(2,161)	602	258,660
Balance at End, shares at Dec. 31, 2018		26,603,355
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued			63				63
Preferred stock issued		$ 2,248	56,566				56,566
Preferred stock issued, shares	2,349
Issuance of common stock warrant for purchase of BR Brand Holdings, LLC			990				990
Issuance of common stock warrant for purchase of BR Brand Holdings, LLC, Shares
ESPP shares issued and vesting of restricted stock, net of shares withheld for employer taxes		$ 1	(2,014)				(2,013)
ESPP shares issued and vesting of restricted stock, net of shares withheld for employer taxes, shares		604,661
Common stock repurchased and retired			(4,273)				(4,273)
Common stock repurchased and retired, shares		(237,932)
Common stock warrants repurchased			(2,777)				2,777
Share based payments			15,916				15,916
Dividends on common stock				(43,390)			(43,390)
Dividends on preferred stock				(264)			(264)
Net income				81,611		337	81,948
Distribution to noncontrolling interest						(721)	(721)
Noncontrolling interest from purchase of BR Brand Holdings, LLC						29,373	29,373
Foreign currency translation adjustment					173		173
Balance at End at Dec. 31, 2019		$ 3	$ 323,109	$ 39,536	$ (1,988)	$ 29,591	$ 390,251
Balance at End, shares at Dec. 31, 2019	2,349	26,972,332