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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Cash Flows from Operating Activities:    
Net income $ 10,952 $ 10,958
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 12,503 10,960
Share-based compensation expense 2,160 1,767
Provision for doubtful accounts 84 133
Other 621 553
Changes in operating assets and liabilities:    
Accounts receivable 1,008 1,432
Inventories (5,206) (3,316)
Customer deposits 6,351 8,269
Other assets and liabilities (3,022) 328
Accounts payable and accrued liabilities (7,350) (8,017)
Net cash provided by operating activities 18,101 23,067
Cash Flows from Investing Activities:    
Capital expenditures (14,521) (11,699)
Maturities of certificates of deposit 2,250 0
Restricted cash and cash equivalents 15 (1,001)
Other 18 406
Net cash used in investing activities (12,238) (12,294)
Cash Flows from Financing Activities:    
Construction allowance receipts 3,286 0
Payments on lease obligations (1,226) (462)
Taxes on vested restricted shares (1,152) (2,060)
Dividends paid (3,609) (3,593)
Common stock purchased (1,942) 0
Net cash used in financing activities (4,643) (6,115)
Increase in cash and cash equivalents during the period 1,220 4,658
Cash and cash equivalents at beginning of period 65,481 83,185
Cash and cash equivalents at end of period $ 66,701 $ 87,843