Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Pension Plan [Member] Common Stock [Member]	Pension Plan [Member] Additional Paid-in Capital [Member]	Pension Plan [Member] Retained Earnings [Member]	Pension Plan [Member] AOCI Attributable to Parent [Member]	Pension Plan [Member]	Foreign Exchange Forward [Member] Common Stock [Member]	Foreign Exchange Forward [Member] Additional Paid-in Capital [Member]	Foreign Exchange Forward [Member] Retained Earnings [Member]	Foreign Exchange Forward [Member] AOCI Attributable to Parent [Member]	Foreign Exchange Forward [Member]	Interest Rate Swap [Member] Common Stock [Member]	Interest Rate Swap [Member] Additional Paid-in Capital [Member]	Interest Rate Swap [Member] Retained Earnings [Member]	Interest Rate Swap [Member] AOCI Attributable to Parent [Member]	Interest Rate Swap [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances (in shares) at Dec. 31, 2021																9,870,567
Balances at Dec. 31, 2021																$ 99	$ 125,062	$ 159,904	$ (1,682)	$ 283,383
Net income																0	0	23,188	0	23,188
Pension liability adjustment	$ 0	$ 0	$ 0	$ 66	$ 66
Unrealized gain (loss) on derivatives designated as cash flow hedges						$ 0	$ 0	$ 0	$ (245)	$ (245)	$ 0	$ 0	$ 0	$ 661	$ 661
Share-based compensation expense																$ 0	2,477	0	0	2,477
Issuance of common stock under stock compensation plans, net of tax withholdings (in shares)																56,793
Issuance of common stock under stock compensation plans, net of tax withholdings																$ 0	(853)	0	0	(853)
Balances (in shares) at Sep. 30, 2022																9,927,360
Balances at Sep. 30, 2022																$ 99	126,686	183,092	(1,200)	308,677
Balances (in shares) at Jun. 30, 2022																9,927,360
Balances at Jun. 30, 2022																$ 99	125,517	173,136	(1,808)	296,944
Net income																0	0	9,956	0	9,956
Pension liability adjustment	0	0	0	22	22
Unrealized gain (loss) on derivatives designated as cash flow hedges						0	0	0	158	158	0	0	0	428	428
Share-based compensation expense																$ 0	1,169	0	0	1,169
Balances (in shares) at Sep. 30, 2022																9,927,360
Balances at Sep. 30, 2022																$ 99	126,686	183,092	(1,200)	308,677
Balances (in shares) at Dec. 31, 2022																9,927,360
Balances at Dec. 31, 2022																$ 99	127,911	191,053	(789)	318,274
Net income																0	0	15,628	0	15,628
Pension liability adjustment	0	0	0	88	88
Unrealized gain (loss) on derivatives designated as cash flow hedges						0	0	0	(98)	(98)	0	0	0	(152)	(152)
Share-based compensation expense																$ 0	3,050	0	0	3,050
Issuance of common stock under stock compensation plans, net of tax withholdings (in shares)																86,836
Issuance of common stock under stock compensation plans, net of tax withholdings																$ 1	(1,653)	0	0	(1,652)
Balances (in shares) at Sep. 30, 2023																10,014,196
Balances at Sep. 30, 2023																$ 100	129,308	206,681	(951)	335,138
Balances (in shares) at Jun. 30, 2023																10,014,196
Balances at Jun. 30, 2023																$ 100	128,562	200,863	(924)	328,601
Net income																0	0	5,818	0	5,818
Pension liability adjustment	$ 0	$ 0	$ 0	$ 29	$ 29
Unrealized gain (loss) on derivatives designated as cash flow hedges						$ 0	$ 0	$ 0	$ 3	$ 3	$ 0	$ 0	$ 0	$ (59)	$ (59)
Share-based compensation expense																$ 0	746	0	0	746
Balances (in shares) at Sep. 30, 2023																10,014,196
Balances at Sep. 30, 2023																$ 100	$ 129,308	$ 206,681	$ (951)	$ 335,138