CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non Controlling Interest	Total
Balance at Dec. 31, 2018	$ 5	$ 144,048	$ 461,075	$ (908)	$ 2,763	$ 606,983
Balance (in shares) at Dec. 31, 2018	50,715,518
Increase (Decrease) in Stockholders' Equity Roll Forward
Net (loss) income			1,947		989	2,936
Foreign currency translation adjustments, net of tax				374		374
Issuance of shares to employees and/or directors		2,661				2,661
Issuance of shares to employees and/or directors (in shares)	127,384
Amortization of Restricted Stock Units		487				487
Dividend equivalent Units accrued - Restricted Stock Units		12	(12)
Distribution of noncontrolling entities					(5)	(5)
Dividends declared			(3,051)			(3,051)
Balance at Mar. 31, 2019	$ 5	147,208	459,959	(534)	3,747	610,385
Balance (in shares) at Mar. 31, 2019	50,842,902
Balance at Dec. 31, 2019	$ 5	97,130	531,291	76	1,028	629,530
Balance (in shares) at Dec. 31, 2019	48,665,138
Increase (Decrease) in Stockholders' Equity Roll Forward
Net (loss) income			(3,737)		3	(3,734)
Foreign currency translation adjustments, net of tax				(1,737)		(1,737)
Issuance of shares to employees and/or directors		1,174				1,174
Issuance of shares to employees and/or directors (in shares)	51,268
Amortization of Restricted Stock Units		499				499
Dividend equivalent Units accrued - Restricted Stock Units		4	(4)
Repurchase of stock		(7,393)				(7,393)
Repurchase of stock (in shares)	(461,831)
Dividends declared			(2,895)			(2,895)
Balance at Mar. 31, 2020	$ 5	$ 91,414	$ 524,655	$ (1,661)	$ 1,031	$ 615,444
Balance (in shares) at Mar. 31, 2020	48,254,575