CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 21,865	$ 30,307	$ 21,075
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,596	29,806	30,516
Net loss on asset impairment	2,415	0	0
Stock-based compensation	3,435	4,358	3,818
Deferred income taxes	(2,691)	(439)	5,559
Provision for doubtful accounts	90	68	224
Gain on insurance recovery	0	(307)	(2,848)
Proceeds from insurance recovery received for business interruption and destroyed inventory	0	266	2,867
Other	616	863	82
Changes in operating assets and liabilities:
Accounts receivable	247	535	1,820
Inventories	1,023	(2,403)	(2,112)
Customer deposits	5,656	(3,348)	2,890
Other assets and liabilities	1,586	9,196	(932)
Accounts payable and accrued liabilities	8,581	1,490	(10,502)
Net Cash Provided by Operating Activities	63,419	70,392	52,457
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(16,841)	(21,473)	(24,465)
Proceeds from sale of property and equipment	2,270	2,446	951
Proceeds from insurance for destroyed property and equipment	0	55	1,987
Net Cash Used in Investing Activities	(14,571)	(18,972)	(21,527)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from borrowings under revolving credit facilities	0	0	0
Payments of borrowings under revolving credit facilities	0	0	0
Net change in borrowings under revolving credit facilities	0	0	0
Construction allowance receipts		0	1,590
Payments on lease obligations	0	(3,788)	(3,482)
Dividends paid	(15,056)	(35,464)	(11,392)
Common stock repurchased	(29,757)	(18,732)	0
Taxes on vested restricted shares	(1,442)	(1,233)	(1,555)
Net Cash Used in Financing Activities	(46,255)	(59,217)	(14,839)
Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash Equivalents	2,593	(7,797)	16,091
Cash, Cash Equivalents and Restricted Cash Equivalents at Beginning of Year	79,809	87,606	71,515
Cash and Cash Equivalents and Restricted Cash Equivalents at End of Year	$ 82,402	$ 79,809	$ 87,606