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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Cash Flows from Operating Activities:    
Net income $ 6,313 $ 5,986
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 7,535 7,582
Stock-based compensation expense 1,571 1,316
Gain on insurance recovery (307) (1,170)
Proceeds from insurance recovery 266 311
Other (762) 115
Changes in operating assets and liabilities:    
Accounts receivable 347 798
Inventories (5,587) (6,238)
Customer deposits 500 2,340
Other assets and liabilities 2,688 1,068
Accounts payable and accrued liabilities (4,270) (6,349)
Net cash provided by operating activities 8,294 5,759
Cash Flows from Investing Activities:    
Capital expenditures (7,128) (5,182)
Proceeds from insurance for destroyed property and equipment 55 989
Other 0 32
Net cash used in investing activities (7,073) (4,161)
Cash Flows from Financing Activities:    
Payments on lease obligations (930) (849)
Dividends paid (3,792) (2,521)
Common stock repurchased (3,524) 0
Other (347) (201)
Net cash used in financing activities (8,593) (3,571)
Decrease in cash, cash equivalents and restricted cash equivalents during the period (7,372) (1,973)
Cash, cash equivalents and restricted cash equivalents at beginning of period 87,606 71,515
Cash, cash equivalents and restricted cash equivalents at end of period $ 80,234 $ 69,542