CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income	$ 19,165	$ 38,252
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	18,509	12,439
Amortization of intangible assets and route and customer acquisition costs	10,526	7,122
Amortization of debt issuance costs	893	1,194
Loss (gain) on change in fair value of contingent earnout shares	9,438	(9,139)
Stock-based compensation	4,255	3,886
Gain on disposal of property and equipment	(37)	(629)
Net loss on write-off of route and customer acquisition costs and route and customer acquisition costs payable	483	288
Remeasurement of contingent consideration	196	(1,143)
Payments on consideration payable	(1,561)	(1,649)
Accretion of interest on route and customer acquisition costs payable, contingent consideration, and contingent stock consideration	771	1,402
Deferred income taxes	6,342	7,199
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(405)	(756)
Accounts receivable, net	1,453	301
Inventories	(366)	294
Income taxes receivable	(371)	(1,475)
Route and customer acquisition costs	(1,226)	(2,612)
Route and customer acquisition costs payable	(690)	750
Accounts payable and accrued expenses	2,201	(12,679)
Accrued compensation and related expenses	(2,568)	(1,450)
Other assets	(3,163)	(384)
Net cash provided by operating activities	63,845	41,211
Cash flows from investing activities:
Purchases of property and equipment	(41,637)	(13,221)
Proceeds from the sale of property and equipment	1,142	1,406
Proceeds from the settlement of convertible notes	32,065	0
Advances against a portion of the purchase price on pending business acquisition	(3,700)	0
Business and asset acquisitions, net of cash acquired	(4,115)	(125,452)
Net cash used in investing activities	(16,245)	(137,267)
Cash flows from financing activities:
Proceeds from debt	115,000	169,000
Payments on debt	(139,250)	(13,125)
Payments for repurchase of common stock	(12,313)	(36,931)
Payments on interest rate caplets	(481)	(394)
Proceeds from exercise of stock-based awards	0	353
Payments on consideration payable	(354)	(1,406)
Tax withholding on stock-based payments	(881)	(59)
Net cash (used in) provided by financing activities	(38,279)	117,438
Net increase in cash and cash equivalents	9,321	21,382
Cash and cash equivalents:
Beginning of period	224,113	198,786
End of period	233,434	220,168
Cash payments for:
Interest	15,035	6,268
Income taxes	6,200	6,228
Supplemental schedules of noncash investing and financing activities:
Purchases of property and equipment in accounts payable and accrued liabilities	10,346	8,079
Deferred premium on interest rate caplets	2,544	3,504
Fair value of treasury stock issued in business combination	0	5,584
Purchase of treasury shares in accounts payable and accrued expense	0	2,500
Acquisition of businesses and assets:
Total identifiable net assets acquired	4,115	164,265
Less cash acquired	0	(33,229)
Less fair value of treasury stock issued	0	(5,584)
Cash purchase price	$ 4,115	$ 125,452