CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Series A Preferred Stock [Member]	Series B Preferred Stock [Member]	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Non-Control Interest [Member]	Accum. Other Comp. Income [Member]	Total
BALANCES at Dec. 31, 2013	$ 1	$ 15	$ 144	$ 109,892	$ 193,737	$ (5,171)	$ 0	$ (2,368)	$ 296,250
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid	0	0	0	0	(90)	0	0	0	(90)
Compensation expense for restricted stock	0	0	0	3,560	0	0	0	0	3,560
Net loss on sale of long-term investment for comprehensive income	0	0	0	0	0	0	0	(55)	(55)
Issuance of shares in connection with an acquisitions	0	0	2	4,031	0	0	0	0	4,033
Vesting of restricted stock for 69,675 shares of common stock	0	0	0	(376)	0	0	0	0	(376)
Acquisition of treasury stock	0	0	0	0	0	(11,855)	0	0	(11,855)
Issuance of treasury shares for vesting of restricted stock	0	0	0	(1,502)	0	1,502	0	0	0
Cumulative translation adjustment	0	0	0	0	0	0	0	(3,277)	(3,277)
Net income (loss)	0	0	0	0	(45,238)	0	0	0	(45,238)
BALANCES at Dec. 31, 2014	1	15	146	115,605	148,409	(15,524)	0	(5,700)	242,952
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid	0	0	0	0	(90)	0	0	0	(90)
Compensation expense for restricted stock	0	0	0	2,973	0	0	0	0	2,973
Issuance of shares in connection with an acquisitions	0	0	0	(4,825)	0	9,223	0	0	4,398
Acquisition of treasury stock	0	0	0	0	0	(8,908)	0	0	(8,908)
Issuance of treasury shares for vesting of restricted stock	0	0	0	(3,447)	0	2,632	0	0	(815)
Noncontrolling interest holder contributions, net of tax benefits	0	0	0	0	0	0	2,346	0	2,346
Cumulative translation adjustment	0	0	0	0	0	0	0	(4,916)	(4,916)
Net income (loss)	0	0	0	0	(38,536)	0	(534)	0	(39,070)
BALANCES at Dec. 31, 2015	1	15	146	110,306	109,783	(12,577)	1,812	(10,616)	198,870
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid	0	0	0	0	(90)	0	0	0	(90)
Compensation expense for restricted stock	0	0	0	1,172	0	0	0	0	1,172
Issuance of 2,722,858 common stock	0	0	27	51,862	0	0	0	0	51,889
Issuance of treasury shares for vesting of restricted stock	0	0	0	(12,577)	0	12,577	0	0	0
Noncontrolling interest holder contributions, net of tax benefits	0	0	0	0	0	0	(335)	0	(335)
Stock compensation expense	0	0	0	1,550	0	0			1,550
Cumulative translation adjustment	0	0	0	0	0	0	0	(7,658)	(7,658)
Net income (loss)	0	0	0	0	7,702	0	(551)	0	7,151
BALANCES at Dec. 31, 2016	$ 1	$ 15	$ 173	$ 152,313	$ 117,395	$ 0	$ 926	$ (18,274)	$ 252,549