CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Preferred Stock Series A preferred stock	Preferred Stock Series B preferred stock	Common stock	Paid-in capital	Retained earnings	Treasury stock	Non controlling interest	Accum other comp loss
Beginning Balance at Dec. 31, 2019	$ 354,932	$ 1	$ 15	$ 174	$ 157,886	$ 215,664	$ 0	$ 1,146	$ (19,954)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends paid	(45)					(45)
Compensation expense for restricted stock	1,860				1,860
Stock compensation expense	27				27
Tax related items for share based awards	(116)				(116)
Issuance of shares of common stock	2,000			1	1,999
Issuance of common stock sold in public markets, net of commissions and fees	1,142				1,142
Currency translation adjustment	301				296	(227)			232
Net income	8,355					8,479		(124)
Ending Balance at Jun. 30, 2020	368,456	1	15	175	163,094	223,871	0	1,022	(19,722)
Beginning Balance at Mar. 31, 2020	362,546	1	15	175	160,695	221,693	0	1,084	(21,117)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends paid	(22)					(22)
Compensation expense for restricted stock	956				956
Stock compensation expense	27				27
Tax related items for share based awards	(22)				(22)
Issuance of common stock sold in public markets, net of commissions and fees	1,142				1,142
Currency translation adjustment	1,464				296	(227)			1,395
Net income	2,365					2,427		(62)
Ending Balance at Jun. 30, 2020	368,456	1	15	175	163,094	223,871	0	1,022	(19,722)
Beginning Balance at Dec. 31, 2020	361,136	1	15	189	192,068	186,078	0	798	(18,013)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends paid	(45)					(45)
Compensation expense for restricted stock	840				840
Tax related items for share based awards	(586)				(586)
Issuance of shares of common stock	11,245			5	11,240
Currency translation adjustment	2,604								2,604
Purchase of treasury stock	(29,174)						(29,174)
Net income	8,089					8,490		(401)
Ending Balance at Jun. 30, 2021	354,109	1	15	194	203,562	194,523	(29,174)	397	(15,409)
Beginning Balance at Mar. 31, 2021	362,412	1	15	189	191,931	186,426	0	586	(16,736)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred dividends paid	(22)					(22)
Compensation expense for restricted stock	460				460
Tax related items for share based awards	(69)				(69)
Issuance of shares of common stock	11,245			5	11,240
Currency translation adjustment	1,327								1,327
Purchase of treasury stock	(29,174)						(29,174)
Net income	7,930					8,119		(189)
Ending Balance at Jun. 30, 2021	$ 354,109	$ 1	$ 15	$ 194	$ 203,562	$ 194,523	$ (29,174)	$ 397	$ (15,409)