CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Paid-in Capital	Retained earnings	Treasury stock	Non controlling interest	Accum Other Comp (Loss)	Series A preferred Stock	Series B preferred Stock
Beginning Balance at Dec. 31, 2015	$ 198,870	$ 146	$ 110,306	$ 109,783	$ (12,577)	$ 1,812	$ (10,616)	$ 1	$ 15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid	(90)			(90)
Compensation expense for restricted stock	3,580		3,580
Tax related items for share based awards	(857)		(857)
Issuance of 2,722,858 shares of common stock	51,888	27	51,861
Issuance of 264,297 shares of treasury stock	0		(12,577)		12,577
Non-controlling interest holder contributions, net of tax benefits	(335)					(335)
Cumulative translation adjustment	(7,658)						(7,658)
Net income	7,151			7,702		(551)
Ending Balance at Dec. 31, 2016	252,549	173	152,313	117,395	0	926	(18,274)	1	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid	(90)			(90)
Compensation expense for restricted stock	1,708		1,708
Tax related items for share based awards	(934)		(934)
Issuance of shares of common stock	1	1
Cumulative translation adjustment	(1,217)						(1,217)
Net income	16,529			16,888		(359)
Ending Balance at Dec. 31, 2017	268,546	174	153,087	134,193	0	567	(19,491)	1	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid	(90)			(90)
Compensation expense for restricted stock	2,549		2,549
Tax related items for share based awards	(340)		(340)
Non-controlling interest holder contributions, net of tax benefits	950					950
Issuance of shares of common stock	894		894
Cumulative translation adjustment	224						224
Net income	35,521			35,632		(111)
Ending Balance at Dec. 31, 2018	$ 308,254	$ 174	$ 156,190	$ 169,735	$ 0	$ 1,406	$ (19,267)	$ 1	$ 15