Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Activities
Net income	$ 9,763	$ 27,820	$ 25,062
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other	46,742	44,518	39,116
Equity-based compensation	10,116	13,044	9,140
Accretion of discount on long-term debt	278	952	1,414
Amortization of debt issuance costs	1,074	258	709
Loss on debt extinguishment	0	0	4,547
Deferred tax expense (benefit)	3,323	(2,293)	(964)
Other	1,952	635	4,288
Changes in operating assets and liabilities:
Accounts receivable, net	20,077	(3,969)	(36,139)
Inventory	2,845	25,372	(8,886)
Prepaid expenses and other assets	12,273	(5,824)	8,736
Accounts payable	(13,303)	4,629	(16,375)
Income taxes payable	(209)	(3,618)	2,177
Accrued royalties	5,906	(4,403)	13,495
Accrued expenses and other liabilities	6,402	(6,356)	3,671
Net cash provided by operating activities	107,239	90,765	49,991
Investing Activities
Purchase of property and equipment	(18,482)	(42,264)	(26,866)
Acquisitions, net of cash	0	(6,369)	(635)
Net cash used in investing activities	(18,482)	(48,633)	(27,501)
Financing Activities
Borrowings on line of credit	28,267	42,083	316,390
Payments on line of credit	(55,103)	(36,383)	(307,191)
Debt issuance costs	(569)	(411)	0
Proceeds from long-term debt, net	0	0	230,011
Payment of long-term debt	(26,438)	(11,750)	(231,338)
Contingent consideration	0	0	(2,500)
Distributions to continuing equity owners	(3,575)	(23,923)	(20,441)
Payments under tax receivable agreement	(4,639)	(173)	0
Proceeds from exercise of equity-based options	219	2,217	23
Net cash used in financing activities	(61,838)	(28,340)	(15,046)
Effect of exchange rates on cash and cash equivalents	107	(2,049)	(1,686)
Net increase in cash and cash equivalents	27,026	11,743	5,758
Cash and cash equivalents at beginning of period	25,229	13,486	7,728
Cash and cash equivalents at end of period	52,255	25,229	13,486
Supplemental Cash Flow Information
Cash paid for interest	9,089	12,313	19,403
Income tax payments	4,167	14,125	2,311
Accrual for purchases of property and equipment	0	5,362	1,137
Establishment of liabilities under tax receivable agreement	1,000	59,045	6,771
Issuance of equity instruments for acquisitions	0	2,221	0
Tenant allowance	$ 269	$ 3,201	$ 168