CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands		Total	Common Stock	Paid-in capital	Treasury Stock	Retained Earnings (Deficit)	AOCI	[1]
Balance, beginning period at Dec. 31, 2016		$ 40,855	$ 1	$ (35,996)	$ 0	$ 136,835	$ (59,985)
Balance, beginning period (in shares) at Dec. 31, 2016			37,894,752
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		49,153				49,153
Foreign currency translation adjustment		16,713					16,713
Cash flow hedge expiration		333					333
Initial Public Offering, Net Proceeds		81,117	$ 7	81,110
Initial Public Offering, Net Proceeds (in shares)			6,666,667
Dividends		(182,000)				(182,000)
Share based compensation expense		$ 965		965
Proceeds from exercise of stock options (in shares)		0
Balance, ending period at Dec. 31, 2017		$ 7,136	$ 8	46,079	0	3,988	(42,939)
Balance, ending period (in shares) at Dec. 31, 2017			44,561,419
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(22,053)				(22,053)
Foreign currency translation adjustment		(18,121)					(18,121)
Cash flow hedge expiration		0
Initial Public Offering, Net Proceeds		7,110	$ 1	7,109
Initial Public Offering, Net Proceeds (in shares)			1,000,000
Share based compensation expense		8,210		8,210
Proceeds from exercise of stock options		$ 559		559
Proceeds from exercise of stock options (in shares)		500,924	500,924
Common stock issued for RSU's vesting, net of shares withheld and withholding paid for employee taxes		$ (1,942)		(1,942)
Common stock issued for RSU's vesting, net of shares withheld and withholding paid for employee taxes (in shares)			349,888
Balance, ending period at Dec. 31, 2018		(19,101)	$ 9	60,015	0	(18,065)	(61,060)
Balance, ending period (in shares) at Dec. 31, 2018			46,412,231
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		111,488				111,488
Foreign currency translation adjustment		22,397					22,397
Share based compensation expense		10,323		10,323
Proceeds from exercise of stock options		$ 149		149
Proceeds from exercise of stock options (in shares)		40,014	40,014
Repurchase of common stock	[2]	$ (72,343)			(72,343)
Repurchase of common stock (in shares)	[2]		(5,614,541)
Common stock issued for RSU's vesting, net of shares withheld and withholding paid for employee taxes		(2,400)		(2,400)
Common stock issued for RSU's vesting, net of shares withheld and withholding paid for employee taxes (in shares)			318,520
Balance, ending period at Dec. 31, 2019		$ 50,513	$ 9	$ 68,087	$ (72,343)	$ 93,423	$ (38,663)
Balance, ending period (in shares) at Dec. 31, 2019			41,156,224

[1] Accumulated other comprehensive income (loss)

[2] Includes the repurchase of 2,000,000 shares of common stock from FFL for $13.55 per share. See Note 23 - "Share Repurchase Program" for additional information.