Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues
Rental	$ 117,840	$ 94,667	$ 228,087	$ 184,717
Rental related services	33,857	22,046	60,989	41,078
Rental operations	151,697	116,713	289,076	225,795
Total revenues	203,030	153,368	366,748	278,421
Direct costs of rental operations:
Depreciation of rental equipment	22,597	20,082	44,430	39,944
Rental related services	23,825	15,780	43,093	29,540
Other	30,560	29,516	61,695	54,370
Total direct costs of rental operations	76,982	65,378	149,218	123,854
Costs of sales	31,438	21,034	45,553	29,576
Total costs of revenues	108,420	86,412	194,771	153,430
Gross profit	94,610	66,956	171,977	124,991
Selling and administrative expenses	47,026	33,809	104,524	66,414
Income from operations	47,584	33,147	67,453	58,577
Other (expense) income:
Interest expense	(9,945)	(2,426)	(17,409)	(4,702)
Foreign currency exchange (loss) gain	(18)	(181)	208	(168)
Income from continuing operations before provision for income taxes	37,621	30,540	50,252	53,707
Provision for income taxes	9,669	6,996	10,782	12,505
Income from continuing operations	27,952	23,544	39,470	41,202
Discontinued operations:
Income from discontinued operations before provision for income taxes		3,327	1,709	4,715
Provision for income taxes from discontinued operations		734	453	987
Gain on sale of discontinued operations, net of tax	2,630		61,513
Income from discontinued operations	2,630	2,593	62,769	3,728
Net income	$ 30,582	$ 26,137	$ 102,239	$ 44,930
Earnings per share from continuing operations:
Basic	$ 1.14	$ 0.96	$ 1.61	$ 1.68
Diluted	1.14	0.96	1.61	1.68
Earnings Per Share from Discontinued Operations [Abstract]
Basic	0.11	0.11	2.57	0.15
Diluted	0.11	0.11	2.56	0.15
Earnings per share:
Basic	1.25	1.07	4.18	1.83
Diluted	$ 1.25	$ 1.07	$ 4.17	$ 1.83
Shares used in per share calculation:
Basic	24,479	24,360	24,448	24,323
Diluted	24,512	24,509	24,527	24,522
Cash dividends declared per share	$ 0.465	$ 0.455	$ 0.93	$ 0.91
Sales [Member]
Revenues
Revenues	$ 47,801	$ 35,870	$ 71,461	$ 51,089
Other [Member]
Revenues
Revenues	$ 3,532	$ 785	$ 6,211	$ 1,537