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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Cash Flows from Operating Activities:    
Net income $ 10,958 $ 13,090
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 10,960 10,486
Share-based compensation expense 1,767 2,038
Provision for doubtful accounts 133 45
Other 553 448
Changes in operating assets and liabilities:    
Accounts receivable 1,432 1,364
Inventories (3,316) (836)
Customer deposits 8,269 1,680
Other assets and liabilities 328 (4,267)
Accounts payable and accrued liabilities (8,017) (11,071)
Net cash provided by operating activities 23,067 12,977
Cash Flows from Investing Activities:    
Capital expenditures (11,699) (10,225)
Restricted cash and cash equivalents (1,001) (2)
Other 406 6
Net cash used in investing activities (12,294) (10,221)
Cash Flows from Financing Activities:    
Payments on lease obligations (462) (437)
Dividends paid (3,593) (1,776)
Proceeds from exercise of stock options 0 623
Taxes on vested restricted shares (2,060) (2,456)
Net cash used in financing activities (6,115) (4,046)
Increase (decrease) in cash and cash equivalents during the period 4,658 (1,290)
Cash and cash equivalents at beginning of period 83,185 53,550
Cash and cash equivalents at end of period $ 87,843 $ 52,260