CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY - USD ($)	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Gain (Loss)	Total
BALANCE at Dec. 31, 2022	$ 114,000	$ 152,392,000	$ 150,124,000	$ (9,173,000)	$ 293,457,000
BALANCE (shares) at Dec. 31, 2022	11,416,716
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of shares withheld for employee taxes		(214,000)			(214,000)
Issuance of common stock, net of shares withheld for employee taxes (shares)	24,320
Stock-based compensation		284,000			284,000
Dividends paid			(2,059,000)		(2,059,000)
Foreign currency translation gain (loss)				979,000	979,000
Net income			9,220,000		9,220,000
BALANCE at Mar. 31, 2023	$ 114,000	152,462,000	157,285,000	(8,194,000)	301,667,000
BALANCE (shares) at Mar. 31, 2023	11,441,036
BALANCE at Dec. 31, 2022	$ 114,000	152,392,000	150,124,000	(9,173,000)	293,457,000
BALANCE (shares) at Dec. 31, 2022	11,416,716
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation gain (loss)					1,890,000
Net income					24,135,000
BALANCE at Jun. 30, 2023	$ 114,000	152,746,000	170,141,000	(7,283,000)	315,718,000
BALANCE (shares) at Jun. 30, 2023	11,445,640
BALANCE at Mar. 31, 2023	$ 114,000	152,462,000	157,285,000	(8,194,000)	301,667,000
BALANCE (shares) at Mar. 31, 2023	11,441,036
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of shares withheld for employee taxes	$ 4,604
Stock-based compensation		284,000			284,000
Dividends paid			(2,059,000)		(2,059,000)
Foreign currency translation gain (loss)				911,000	911,000
Net income			14,915,000		14,915,000
BALANCE at Jun. 30, 2023	$ 114,000	152,746,000	170,141,000	(7,283,000)	315,718,000
BALANCE (shares) at Jun. 30, 2023	11,445,640
BALANCE at Dec. 31, 2023	$ 114,000	153,574,000	200,165,000	(5,933,000)	347,920,000
BALANCE (shares) at Dec. 31, 2023	11,445,640
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of shares withheld for employee taxes	$ 1,000	(214,000)			(213,000)
Issuance of common stock, net of shares withheld for employee taxes (shares)	24,320
Stock-based compensation		383,000			383,000
Dividends paid			(2,179,000)		(2,179,000)
Foreign currency translation gain (loss)				(575,000)	(575,000)
Net income			17,023,000		17,023,000
BALANCE at Mar. 31, 2024	$ 115,000	153,743,000	215,009,000	(6,508,000)	362,359,000
BALANCE (shares) at Mar. 31, 2024	11,469,960
BALANCE at Dec. 31, 2023	$ 114,000	153,574,000	200,165,000	(5,933,000)	347,920,000
BALANCE (shares) at Dec. 31, 2023	11,445,640
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchases of common stock					$ (2,000,000.0)
Repurchase of common stock (in shares)					(35,000)
Foreign currency translation gain (loss)					$ (638,000)
Net income					37,537,000
BALANCE at Jun. 30, 2024	$ 115,000	153,014,000	233,330,000	(6,571,000)	379,888,000
BALANCE (shares) at Jun. 30, 2024	11,453,792
BALANCE at Mar. 31, 2024	$ 115,000	153,743,000	215,009,000	(6,508,000)	362,359,000
BALANCE (shares) at Mar. 31, 2024	11,469,960
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of shares withheld for employee taxes		16,000			16,000
Issuance of common stock, net of shares withheld for employee taxes (shares)	18,832
Stock-based compensation		1,302,000			1,302,000
Repurchases of common stock		(2,047,000)			(2,047,000)
Repurchase of common stock (in shares)	(35,000)
Dividends paid			(2,193,000)		(2,193,000)
Foreign currency translation gain (loss)				(63,000)	(63,000)
Net income			20,514,000		20,514,000
BALANCE at Jun. 30, 2024	$ 115,000	$ 153,014,000	$ 233,330,000	$ (6,571,000)	$ 379,888,000
BALANCE (shares) at Jun. 30, 2024	11,453,792