CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Surplus	Accumulated Other Comprehensive Income (Loss)	Total
BALANCE at Dec. 31, 2021	$ 114	$ 151,449	$ 137,998	$ (4,945)	$ 284,616
Components of comprehensive income:
Net income			2,065		2,065
Foreign currency translation adjustment				25	25
COMPREHENSIVE INCOME			2,065	25	2,090
Issuance of common stock to non-employee directors		200			200
Stock-based compensation on nonvested restricted stock units		75			75
Dividends paid			(2,055)		(2,055)
BALANCE at Mar. 31, 2022	114	151,724	138,008	(4,920)	284,926
BALANCE at Dec. 31, 2021	114	151,449	137,998	(4,945)	284,616
Components of comprehensive income:
Net income					11,054
Foreign currency translation adjustment					(5,621)
COMPREHENSIVE INCOME					5,433
BALANCE at Sep. 30, 2022	114	152,169	142,887	(10,566)	284,604
BALANCE at Mar. 31, 2022	114	151,724	138,008	(4,920)	284,926
Components of comprehensive income:
Net income			3,757		3,757
Foreign currency translation adjustment				(2,305)	(2,305)
COMPREHENSIVE INCOME			3,757	(2,305)	1,452
Stock-based compensation on nonvested restricted stock units		222			222
Dividends paid			(2,054)		(2,054)
BALANCE at Jun. 30, 2022	114	151,946	139,711	(7,225)	284,546
Components of comprehensive income:
Net income			5,232		5,232
Foreign currency translation adjustment				(3,341)	(3,341)
COMPREHENSIVE INCOME			5,232	(3,341)	1,891
Stock-based compensation on nonvested restricted stock units		223			223
Dividends paid			(2,056)		(2,056)
BALANCE at Sep. 30, 2022	114	152,169	142,887	(10,566)	284,604
BALANCE at Dec. 31, 2022	114	152,392	150,124	(9,173)	293,457
Components of comprehensive income:
Net income			9,220		9,220
Foreign currency translation adjustment				979	979
COMPREHENSIVE INCOME			9,220	979	10,199
Issuance of restricted stock units to non-employee directors		(214)			(214)
Stock-based compensation on nonvested restricted stock units		284			284
Dividends paid			(2,059)		(2,059)
BALANCE at Mar. 31, 2023	114	152,462	157,285	(8,194)	301,667
BALANCE at Dec. 31, 2022	114	152,392	150,124	(9,173)	293,457
Components of comprehensive income:
Net income					41,596
Foreign currency translation adjustment					2,712
COMPREHENSIVE INCOME					44,308
BALANCE at Sep. 30, 2023	114	153,191	185,541	(6,461)	332,385
BALANCE at Mar. 31, 2023	114	152,462	157,285	(8,194)	301,667
Components of comprehensive income:
Net income			14,915		14,915
Foreign currency translation adjustment				911	911
COMPREHENSIVE INCOME			14,915	911	15,826
Stock-based compensation on nonvested restricted stock units		284			284
Dividends paid			(2,059)		(2,059)
BALANCE at Jun. 30, 2023	114	152,746	170,141	(7,283)	315,718
Components of comprehensive income:
Net income			17,459		17,459
Foreign currency translation adjustment				822	822
COMPREHENSIVE INCOME			17,459	822	18,281
Stock-based compensation on nonvested restricted stock units		445			445
Dividends paid			(2,059)		(2,059)
BALANCE at Sep. 30, 2023	$ 114	$ 153,191	$ 185,541	$ (6,461)	$ 332,385