CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive (Loss) Income	Treasury Stock
Balance beginning of period (in shares) at Dec. 31, 2019		53,473,620
Balance at beginning of period at Dec. 31, 2019	$ 520,988	$ 750	$ 638,917	$ 221,841	$ (3,978)	$ (336,542)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) for the year	(97,412)			(97,412)
Foreign currency translation	(316)				(316)
Stock-based compensation (in shares)		212,009
Stock-based compensation	4,510	$ 4	4,506
Stock repurchase (in shares)		(1,262,459)
Stock repurchase	(18,895)					(18,895)
Common stock dividends	(17,196)			(17,196)
Unrealized (loss) gain on derivative instruments	11,927				11,927
Stock option exercises (in shares)		113,312
Stock option exercises	1,273	$ 1	1,272
Balance end of period (in shares) at Dec. 31, 2020		52,536,482
Balance at end of period at Dec. 31, 2020	404,879	$ 755	644,695	107,233	7,633	(355,437)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) for the year	1,164			1,164
Foreign currency translation	193				193
Stock-based compensation (in shares)		145,118
Stock-based compensation	7,059	$ 2	7,057
Stock repurchase (in shares)		(3,927,900)
Stock repurchase	(66,731)					(66,731)
Common stock dividends	(16,286)			(16,286)
Unrealized (loss) gain on derivative instruments	(6,967)				(6,967)
Stock option exercises (in shares)		200,782
Stock option exercises	2,228	$ 2	2,226
Balance end of period (in shares) at Dec. 31, 2021		48,954,482
Balance at end of period at Dec. 31, 2021	325,539	$ 759	653,978	92,111	859	(422,168)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) for the year	112,258			112,258
Foreign currency translation	198				198
Stock-based compensation (in shares)		298,458
Stock-based compensation	9,746	$ 5	9,741
Stock repurchase (in shares)		(1,761,339)
Stock repurchase	(34,285)					(34,285)
Common stock dividends	(16,128)			(16,128)
Unrealized (loss) gain on derivative instruments	$ (1,939)				(1,939)
Stock option exercises (in shares)	184,195	184,195
Stock option exercises	$ 2,224	$ 2	2,222
Balance end of period (in shares) at Dec. 31, 2022		47,675,796
Balance at end of period at Dec. 31, 2022	$ 397,613	$ 766	$ 665,941	$ 188,241	$ (882)	$ (456,453)