CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings/(Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Total
Balance at Dec. 31, 2020	$ 57,551	$ 377,452	$ 128,453	$ 17,708	$ 581,164
Balance, shares at Dec. 31, 2020	57,550,629
Net income			110,653		110,653
Common stock issued from option exercises, net of tax benefits	$ 634	2,794			$ 3,428
Common stock issued from option exercises, net of tax benefits, shares	633,966				633,966
Common stock issued from restricted units, net of tax benefits	$ 1,021	(1,021)
Common stock issued from restricted units, net of tax benefits, shares	1,021,029
Stock-based compensation		8,626			$ 8,626
Common stock repurchases and excise tax	$ (1,835)	(38,165)			(40,000)
Common stock repurchases and excise tax, shares	(1,835,061)
Other comprehensive income (loss) net of reclassification adjustments and tax				(11,417)	(11,417)
Balance at Dec. 31, 2021	$ 57,371	349,686	239,106	6,291	652,454
Balance (in shares) at Dec. 31, 2021	57,370,563
Net income			130,213		130,213
Common stock issued from option exercises, net of tax benefits	$ 58	262			$ 320
Common stock issued from option exercises, net of tax benefits, shares	58,531				58,531
Common stock issued from restricted units, net of tax benefits	$ 583	(583)
Common stock issued from restricted units, net of tax benefits, shares	582,789
Stock-based compensation		7,592			$ 7,592
Common stock repurchases and excise tax	$ (2,322)	(57,678)			$ (60,000)
Common stock repurchases and excise tax, shares	(2,322,256)				(2,322,256)
Other comprehensive income (loss) net of reclassification adjustments and tax				(36,548)	$ (36,548)
Balance at Dec. 31, 2022	$ 55,690	299,279	369,319	(30,257)	$ 694,031
Balance (in shares) at Dec. 31, 2022	55,689,627				55,689,627
Net income			192,296		$ 192,296
Common stock issued from option exercises, net of tax benefits	$ 13	91			$ 104
Common stock issued from option exercises, net of tax benefits, shares	13,158				13,158
Common stock issued from restricted units, net of tax benefits	$ 457	(457)
Common stock issued from restricted units, net of tax benefits, shares	456,991
Stock-based compensation		11,392			$ 11,392
Common stock repurchases and excise tax	$ (2,957)	(97,874)			$ (100,831)
Common stock repurchases and excise tax, shares	(2,957,146)				(2,957,146)
Other comprehensive income (loss) net of reclassification adjustments and tax				10,289	$ 10,289
Balance at Dec. 31, 2023	$ 53,203	$ 212,431	$ 561,615	$ (19,968)	$ 807,281
Balance (in shares) at Dec. 31, 2023	53,202,630				53,202,630