Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows from Operating Activities:
Net income	$ 18,793	$ 17,398
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	27,584	23,460
Deferred income taxes	(3,676)	(3,258)
Provision for doubtful accounts	13	99
Share-based compensation	1,760	1,777
Gain on sale of used rental equipment	(5,364)	(4,794)
Foreign currency exchange (gain) loss	(13)	55
Amortization of debt issuance costs	4	3
Change in:
Accounts receivable	7,922	1,009
Prepaid expenses and other assets	4,213	(94)
Accounts payable and accrued liabilities	(4,716)	(2,633)
Deferred income	5,223	4,587
Net cash provided by operating activities	51,743	37,609
Cash Flows from Investing Activities:
Purchases of rental equipment	(39,430)	(17,984)
Purchases of property, plant and equipment	(5,417)	(981)
Proceeds from sales of used rental equipment	10,308	10,418
Net cash used in investing activities	(34,539)	(8,547)
Cash Flows from Financing Activities:
Net repayment under bank lines of credit	(2,482)	(13,931)
Taxes paid related to net share settlement of stock awards	(3,605)	(3,482)
Payment of dividends	(11,006)	(10,554)
Net cash used in financing activities	(17,093)	(27,967)
Effect of foreign currency exchange rate changes on cash	1	(4)
Net increase in cash	112	1,091
Cash balance, beginning of period	1,491	1,238
Cash balance, end of period	1,603	2,329
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	2,137	1,625
Net income taxes paid, during the period	420	372
Dividends accrued during the period, not yet paid	11,357	9,810
Rental equipment acquisitions, not yet paid	$ 12,869	$ 11,095