CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net (loss) income	$ (12,984)	$ (15,701)	$ 10,803
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	20,969	26,398	20,782
Amortization of route and customer acquisition costs and location contracts acquired	22,608	17,975	14,681
Amortization of debt issuance costs	2,064	655	394
Contributed capital, professional service fees paid by shareholder	0	2,891	0
Stock-based compensation	5,538	2,236	453
(Gain)/loss on change in fair value of contingent earnout shares	(8,484)	9,837	0
Loss on disposal of property and equipment	47	100	61
Loss on write-off of route and customer acquisition costs and route and customer acquisition costs payable	910	342	516
Loss on debt extinguishment	0	1,141	0
Remeasurement of contingent consideration	(584)	6,723	852
Payments on consideration payable	(1,766)	0	0
Accretion of interest on route and customer acquisition costs payable, contingent consideration, and contingent stock consideration	2,030	1,623	912
Deferred income taxes	(16,836)	4,081	4,300
Changes in operating assets and liabilities, net of acquisition of businesses:
Prepaid expenses and other current assets	(2,904)	(3,507)	(491)
Income taxes receivable	566	(1,804)	(1,436)
Route and customer acquisition costs	(603)	(5,438)	(3,719)
Route and customer acquisition costs payable	(780)	(1,342)	(956)
Accounts payable and accrued expenses	(16,876)	(899)	(1,749)
Accrued compensation and related expenses	3,452	494	(900)
Consideration payable	0	0	(196)
Other assets	(72)	(240)	36
Net cash (used in) provided by operating activities	(3,705)	45,565	44,343
Cash flows from investing activities:
Purchases of property and equipment	(25,761)	(20,796)	(23,246)
Proceeds from the sale of property and equipment	394	121	1,173
Payments for location contracts acquired	0	0	(80)
Purchase of investment in convertible notes	0	(30,000)	0
Payments on consideration payable	(299)	0	0
Business and asset acquisitions, net of cash acquired	(35,769)	(100,857)	(51,394)
Net cash used in investing activities	(61,435)	(151,532)	(73,547)
Cash flows from financing activities:
Proceeds from term loan	0	240,000	46,250
Payments on term loan	(12,000)	(115,625)	(11,625)
Proceeds from delayed draw term loans	65,000	169,000	75,000
Payments on delayed draw term loans	(5,438)	(159,000)	(59,000)
Net (payments on) proceeds from line of credit	(58,500)	(8,500)	3,000
Payments for debt issuance costs	(677)	(9,374)	(533)
Payments for repurchase of common shares	0	0	(3,343)
Proceeds from issuance of common stock, net	90,422	0	0
Proceeds from exercise of stock options and warrants	847	3,583	396
Payments on consideration payable	(5,448)	(2,321)	(814)
Payments on capital lease obligation	0	(531)	(3,276)
Net increase in outstanding checks in excess of bank balance	0	0	67
Proceeds from capital infusion in reverse recapitalization	0	27,030	0
Tax withholding on share-based payments	(18)	(5,121)	0
Net cash provided by financing activities	74,188	139,141	46,122
Net increase in cash and cash equivalents	9,048	33,174	16,918
Cash and cash equivalents:
Beginning of year	125,403	92,229	75,311
End of year	134,451	125,403	92,229
Supplemental disclosures of cash flow information:
Interest, net of amount of capitalized	12,854	12,024	8,719
Income taxes paid	0	1,759	1,594
Supplemental schedules of noncash investing and financing activities:
Purchases of property and equipment in accounts payable and accrued liabilities	14,992	11,501	2,243
Common stock offering costs in accounts payable and accrued liabilities	364	0	0
Less impact from conversion of treasury stock and issuance of warrants	(19,924)	0	0
Reclassification of contingent stock consideration from liabilities to equity	0	0	2,575
Acquisition of businesses and assets:
Total identifiable net assets acquired	39,731	119,178	63,745
Less cash acquired	(716)	(8,861)	(3,633)
Less contingent consideration	(3,246)	(7,216)	(5,350)
Less promissory note	0	(2,244)	(3,368)
Cash purchase price	$ 35,769	$ 100,857	$ 51,394