Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Consolidated net income	$ 10,771	$ 11,528
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on extinguishment of debt	0	5,706
Loss (gain) on sale of property, plant, and equipment	1	(2)
Depreciation expense	871	788
Amortization of other intangible assets	463	477
Amortization of deferred financing costs	645	604
Deferred income tax (benefit) expense	(34)	552
Stock compensation expense	1,159	1,498
Noncash lease (income) expense	(5)	6
Gain on investments	(14)	(13)
Changes in operating assets and liabilities:
Accounts receivable	(2,958)	2,735
Inventories	(18,258)	(12,461)
Other current assets	1,081	1,283
Other assets	382	464
Accounts payable	22,101	14,882
Accrued liabilities and other	(3,165)	(3,806)
Net cash provided by operating activities	13,040	24,241
Cash flows from investing activities:
Capital expenditures	(2,787)	(842)
Restricted cash, MSA escrow deposits	(8,468)	(14,920)
Proceeds on the sale of property, plant and equipment	1	2
Net cash used in investing activities	(11,254)	(15,760)
Cash flows from financing activities:
Proceeds from Senior Secured Notes	0	250,000
Payments of 2018 first lien term loan	0	(130,000)
Settlement of interest rate swaps	0	(3,573)
Payment of dividends	(1,022)	(958)
Payments of financing costs	0	(6,614)
Exercise of options	245	425
Redemption of options	0	(1,466)
Redemption of performance restricted stock units	(1,141)	0
Common stock repurchased	(10,622)	(5,733)
Net cash provided by (used in) financing activities	(12,540)	102,081
Net (decrease) increase in cash	(10,754)	110,562
Effect of foreign currency translation on cash	(3)	101
Cash, beginning of period:
Unrestricted	128,320	41,765
Restricted	15,155	35,074
Total cash at beginning of period	143,475	76,839
Cash, end of period:
Unrestricted	126,045	167,361
Restricted	6,673	20,141
Total cash at end of period	132,718	187,502
Supplemental schedule of noncash investing activities:
Accrued capital expenditures	187	177
Supplemental schedule of noncash financing activities:
Dividends declared not paid	1,131	1,071
Accrued expenses for incurred financing costs	$ 0	$ 301