Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ (28,153)	$ 36,857
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization of property and equipment	14,769	13,627
Depreciation of rental equipment	119,142	118,582
Amortization of finance lease right-of-use assets	81	81
Amortization of intangible assets	2,002	2,049
Amortization of deferred financing costs	504	504
Accretion of note discount, net of premium amortization	238	239
Non-cash operating lease expense	5,760	5,273
Impairment of goodwill	61,994
Provision for losses on accounts receivable	2,950	2,480
Provision for inventory obsolescence	12	115
Change in deferred income taxes	(7,211)	12,239
Stock-based compensation expense	2,656	2,023
Gain from sales of property and equipment, net	(7,158)	(1,621)
Gain from sales of rental equipment, net	(21,224)	(23,239)
Changes in operating assets and liabilities, net of acquisitions:
Receivables	42,764	4,764
Inventories	(12,397)	(55,997)
Prepaid expenses and other assets	(8,540)	(2,969)
Accounts payable	14,077	16,592
Manufacturer flooring plans payable	(8,524)	1,400
Accrued expenses payable and other liabilities	(13,326)	1,898
Deferred compensation payable	50	55
Net cash provided by operating activities	160,466	134,952
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired		(106,746)
Purchases of property and equipment	(13,511)	(18,568)
Purchases of rental equipment	(55,448)	(174,674)
Proceeds from sales of property and equipment	10,390	2,173
Proceeds from sales of rental equipment	59,756	61,668
Net cash provided by (used in) investing activities	1,187	(236,147)
Cash flows from financing activities:
Borrowings on senior secured credit facility	496,011	797,029
Payments on senior secured credit facility	(645,329)	(685,080)
Dividends paid	(19,741)	(19,670)
Purchases of treasury stock	(470)	(387)
Payments of deferred financing costs		(559)
Payments of finance lease obligations	(120)	(114)
Net cash provided by (used in) financing activities	(169,649)	91,219
Net decrease in cash	(7,996)	(9,976)
Cash, beginning of period	14,247	16,677
Cash, end of period	6,251	6,701
Supplemental schedule of noncash investing and financing activities:
Accrued acquisition purchase price consideration		3,432
Noncash asset purchases:
Assets transferred from new and used inventory to rental fleet	18,410	33,591
Purchases of property and equipment included in accrued expenses payable and other liabilities	218	453
Operating lease right-of-use assets and lease liabilities recorded upon adoption of ASC 842		162,814
Finance lease right-of-use assets and lease liabilities recorded upon adoption of ASC 842		782
Operating lease assets obtained in exchange for new operating lease liabilities	15,077	8,657
Cash paid during the period for:
Interest	31,402	32,954
Income taxes paid (refunds received), net	$ (1,540)	$ 1,765