CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities
Net income	$ 145,122	$ 67,470	$ 59,215
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	34,124	36,308	40,520
Deferred financing cost amortization	165	168	168
Stock-based compensation	10,631	8,620	8,599
Provision for expected credit losses	406	310	342
Inventory obsolescence	2,739	3,490	4,840
Gain on disposal of assets	(1,391)	(1,386)	(2,480)
Deferred income taxes	25,299	4,829	6,948
(Gain) loss from revaluation of liability related to tax receivable agreement	1,910	(898)	555
Changes in operating assets and liabilities:
Accounts receivable	(49,349)	(45,492)	44,829
Inventories	(44,891)	(36,083)	18,201
Prepaid expenses and other assets	(3,108)	(2,789)	6,177
Accounts payable	5,803	22,281	(19,434)
Accrued expenses and other liabilities	2,090	16,628	(10,893)
Payments pursuant to tax receivable agreement	(11,666)	(9,697)	(14,207)
Net cash provided by operating activities	117,884	63,759	143,380
Cash flows from investing activities
Capital expenditures and other	(28,291)	(13,939)	(24,493)
Proceeds from sale of assets	2,755	2,306	6,346
Net cash used in investing activities	(25,536)	(11,633)	(18,147)
Cash flows from financing activities
Payment of deferred financing costs	(353)	0	0
Payments on finance leases	(6,055)	(5,205)	(5,317)
Dividends paid to Class A common stock shareholders	(26,719)	(21,158)	(17,140)
Distributions to members	(9,692)	(9,742)	(16,304)
Repurchases of shares	(4,563)	(3,283)	(1,445)
Net cash used in financing activities	(47,382)	(39,388)	(40,206)
Effect of exchange rate changes on cash and cash equivalents	(2,108)	272	1,029
Net increase in cash and cash equivalents	42,858	13,010	86,056
Cash and cash equivalents
Beginning of period	301,669	288,659	202,603
End of period	$ 344,527	$ 301,669	$ 288,659