Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows from Operating Activities :
Net income	$ 14,466	$ 7,973
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,928	19,405
Impairment of rental assets	39
Provision for doubtful accounts	35	289
Share-based compensation	864	806
Gain on sale of used rental equipment	(3,848)	(2,943)
Foreign currency exchanges (gain) loss	32	(226)
Amortization of debt issuance costs	13	13
Change in:
Accounts receivable	7,745	4,036
Prepaid expenses and other assets	(3,303)	(1,536)
Accounts payable and accrued liabilities	(4,284)	(3,924)
Deferred income	(717)	2,388
Deferred income taxes	182	(451)
Net cash provided by operating activities	31,152	25,830
Cash Flows from Investing Activities:
Purchases of rental equipment	(24,168)	(15,914)
Purchases of property, plant and equipment	(2,667)	(5,835)
Proceeds from sales of used rental equipment	7,707	5,505
Net cash used in investing activities	(19,128)	(16,244)
Cash Flows from Financing Activities:
Net repayments under bank lines of credit	(2,831)	(2,436)
Taxes paid related to net share settlement of stock awards	(971)	(143)
Payment of dividends	(6,300)	(6,155)
Net cash used in financing activities	(10,102)	(8,734)
Effect of foreign currency exchange rate changes on cash	25	(24)
Net increase in cash	1,947	828
Cash balance, beginning of period	2,501	852
Cash balance, end of period	4,448	1,680
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	2,537	2,303
Net income taxes paid, during the period	1,572	5,565
Dividends accrued during the period, not yet paid	8,237	6,190
Rental equipment acquisitions, not yet paid	$ 6,930	$ 7,513