CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common stock	Paid-in capital	Retained earnings	Non controlling interest	Accum other comp loss	Series A preferred stock	Series B preferred stock
Beginning Balance at Dec. 31, 2018	$ 308,254	$ 174	$ 156,190	$ 169,735	$ 1,406	$ (19,267)	$ 1	$ 15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends paid	(68)			(68)
Compensation expense for restricted stock	1,502		1,502
Tax related items for share based awards	(266)		(266)
Currency translation adjustment	(718)					(718)
Net income (loss)	33,687			33,859	(172)
Ending Balance at Sep. 30, 2019	342,391	174	157,426	203,526	1,234	(19,985)	1	15
Beginning Balance at Jun. 30, 2019	330,210	174	157,091	190,440	1,193	(18,704)	1	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends paid	(23)			(23)
Compensation expense for restricted stock	473		473
Tax related items for share based awards	(138)		(138)
Currency translation adjustment	(1,281)					(1,281)
Net income (loss)	13,150			13,109	41
Ending Balance at Sep. 30, 2019	342,391	174	157,426	203,526	1,234	(19,985)	1	15
Beginning Balance at Dec. 31, 2019	344,948	174	157,886	205,680	1,146	(19,954)	1	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends paid	(68)			(68)
Compensation expense for restricted stock	2,843		2,843
Stock compensation expense	27		27
Tax related items for share based awards	(139)		(139)
Issuance of shares of common stock as consideration for acquisitions	2,001	1	2,000
Issuance of common stock sold in public markets, net of commissions and fees	1,142		1,142
Currency translation adjustment	(153)		295	(228)		(220)
Net income (loss)	(27,047)			(26,814)	(233)
Ending Balance at Sep. 30, 2020	323,554	175	164,054	178,570	913	(20,174)	1	15
Beginning Balance at Jun. 30, 2020	357,845	175	163,094	213,260	1,022	(19,722)	1	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends paid	(23)			(23)
Compensation expense for restricted stock	983		983
Tax related items for share based awards	(23)		(23)
Currency translation adjustment	(453)			(1)		(452)
Net income (loss)	(34,775)			(34,666)	(109)
Ending Balance at Sep. 30, 2020	$ 323,554	$ 175	$ 164,054	$ 178,570	$ 913	$ (20,174)	$ 1	$ 15