CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY - USD ($) $ in Thousands	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Additional Paid-In Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-In Capital	Accumulated Surplus Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Surplus	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Cumulative Effect, Period of Adoption, Adjusted Balance	Total
BALANCE at Dec. 31, 2019	$ 114		$ 151,055		$ 108,341		$ (5,503)		$ 254,007
Components of comprehensive income:
Net income						$ 29,830				$ 29,830
Foreign currency translation adjustment								$ 2,714		2,714
COMPREHENSIVE INCOME						29,830		2,714		32,544
Issuance of common stock to non-employee directors				$ 194						194
Dividends paid						(8,212)				(8,212)
BALANCE at Dec. 31, 2020		$ 114		151,249		129,959		(2,789)		278,533
Components of comprehensive income:
Net income						16,255				16,255
Foreign currency translation adjustment								(2,156)		(2,156)
COMPREHENSIVE INCOME						16,255		(2,156)		14,099
Issuance of common stock to non-employee directors				200						200
Dividends paid						(8,216)				(8,216)
BALANCE at Dec. 31, 2021		114		151,449		137,998		(4,945)		284,616
Components of comprehensive income:
Net income						20,346				20,346
Foreign currency translation adjustment								(4,228)		(4,228)
COMPREHENSIVE INCOME						20,346		(4,228)		16,118
Issuance of common stock to non-employee directors				200						200
Stock-based compensation on nonvested restricted stock units				743						743
Dividends paid						(8,220)				(8,220)
BALANCE at Dec. 31, 2022		$ 114		$ 152,392		$ 150,124		$ (9,173)		$ 293,457