Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Adoption of Lease Standard [Member] Retained Earnings (Deficit) [Member]	Adoption of Lease Standard [Member]	Adjusted Balance [Member] Common Stock [Member]	Adjusted Balance [Member] Additional Paid-in Capital [Member]	Adjusted Balance [Member] Retained Earnings (Deficit) [Member]	Adjusted Balance [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Adjusted Balance [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning balance at Dec. 31, 2018	$ 4,802	$ 4,802	$ 5	$ 172,255	$ (21,055)	$ (56)	$ 151,149	$ 5	$ 172,255	$ (25,857)	$ (56)	$ 146,347
Beginning balance (in shares) at Dec. 31, 2018			52,707,879					52,707,879
Issuance of restricted shares (in shares)								666,753
Cancellation of restricted shares (in shares)								(255,555)
Repurchase of common stock									(10,455)			(10,455)
Repurchase of common stock (in shares)								(2,307,023)
Stock based compensation									2,169			2,169
Tax withholdings related to net share settlements of stock based compensation awards									(226)			(226)
Dividends paid									(7,706)			(7,706)
Foreign currency translation adjustments											(35)	(35)
Net income (loss)										(217)		(217)
Balance at Sep. 30, 2019								$ 5	156,037	(21,272)	(91)	134,679
Balance (in shares) at Sep. 30, 2019								50,812,054
Beginning balance at Jun. 30, 2019								$ 5	157,961	(19,889)	(54)	138,023
Beginning balance (in shares) at Jun. 30, 2019								50,615,489
Issuance of restricted shares (in shares)								309,305
Cancellation of restricted shares (in shares)								(112,740)
Stock based compensation									660			660
Tax withholdings related to net share settlements of stock based compensation awards									(90)			(90)
Dividends paid									(2,494)			(2,494)
Foreign currency translation adjustments											(37)	(37)
Net income (loss)										(1,383)		(1,383)
Balance at Sep. 30, 2019								$ 5	156,037	(21,272)	(91)	134,679
Balance (in shares) at Sep. 30, 2019								50,812,054
Beginning balance at Dec. 31, 2019								$ 5	156,482	(25,518)	(70)	$ 130,899
Beginning balance (in shares) at Dec. 31, 2019								50,806,674				50,806,674
Issuance of restricted shares (in shares)								1,057,336
Cancellation of restricted shares (in shares)								(170,555)
Stock based compensation									1,671			$ 1,671
Tax withholdings related to net share settlements of stock based compensation awards									(116)			(116)
Foreign currency translation adjustments											21	21
Net income (loss)										4,656		4,656
Balance at Sep. 30, 2020								$ 5	158,037	(20,862)	(49)	$ 137,131
Balance (in shares) at Sep. 30, 2020								51,693,455				51,693,455
Beginning balance at Jun. 30, 2020								$ 5	157,493	(22,776)	(84)	$ 134,638
Beginning balance (in shares) at Jun. 30, 2020								51,370,167
Issuance of restricted shares (in shares)								359,233
Cancellation of restricted shares (in shares)								(35,945)
Stock based compensation									567			567
Tax withholdings related to net share settlements of stock based compensation awards									(23)			(23)
Foreign currency translation adjustments											35	35
Net income (loss)										1,914		1,914
Balance at Sep. 30, 2020								$ 5	$ 158,037	$ (20,862)	$ (49)	$ 137,131
Balance (in shares) at Sep. 30, 2020								51,693,455				51,693,455