CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 29,615	$ 60,696
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	27,914	20,575
Amortization of intangible assets and route and customer acquisition costs	15,825	12,278
Amortization of debt issuance costs	1,349	1,652
Loss (gain) on change in fair value of contingent earnout shares	11,063	(19,497)
Stock-based compensation	6,973	4,956
Loss (gain) on disposal of property and equipment	94	(706)
Net loss on write-off of route and customer acquisition costs and route and customer acquisition costs payable	784	410
Remeasurement of contingent consideration	178	(1,992)
Payments on consideration payable	(2,123)	(2,282)
Accretion of interest on route and customer acquisition costs payable, contingent consideration, and contingent stock consideration	1,141	1,991
Deferred income taxes	9,047	10,958
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(1,183)	(605)
Accounts receivable, net	(2,196)	661
Inventories	167	(432)
Route and customer acquisition costs	(2,762)	(3,170)
Route and customer acquisition costs payable	(449)	1,115
Accounts payable and accrued expenses	1,783	(6,205)
Accrued compensation and related expenses	(1,415)	(284)
Other assets	(3,798)	(1,869)
Net cash provided by operating activities	92,007	78,250
Cash flows from investing activities:
Purchases of property and equipment	(60,218)	(32,978)
Proceeds from the sale of property and equipment	1,464	1,735
Proceeds from the settlement of convertible notes	32,065	0
Advances against a portion of the purchase price on pending business acquisition	(4,600)	0
Business and asset acquisitions, net of cash acquired	(4,115)	(137,628)
Net cash used in investing activities	(35,404)	(168,871)
Cash flows from financing activities:
Proceeds from debt	123,000	199,000
Payments on debt	(152,875)	(24,000)
Payments for debt issuance costs	(300)	0
Payments for repurchase of common stock	(15,655)	(61,917)
Payments on interest rate caplets	(723)	(633)
Proceeds from exercise of stock-based awards	208	407
Payments on consideration payable	(3,022)	(8,892)
Tax withholding on stock-based payments	(961)	(67)
Net cash (used in) provided by financing activities	(50,328)	103,898
Net increase in cash and cash equivalents	6,275	13,277
Cash and cash equivalents:
Beginning of period	224,113	198,786
End of period	230,388	212,063
Cash payments for:
Interest	22,586	11,964
Income taxes	7,575	7,041
Supplemental schedules of noncash investing and financing activities:
Purchases of property and equipment in accounts payable and accrued liabilities	11,655	8,128
Deferred premium on interest rate caplets	2,302	3,265
Fair value of treasury stock issued in business combination	0	5,584
Acquisition of businesses and assets:
Total identifiable net assets acquired	4,115	179,015
Less cash acquired	0	(33,270)
Less consideration payable	0	(2,533)
Less fair value of treasury stock issued	0	(5,584)
Cash purchase price	$ 4,115	$ 137,628