CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 225,674	$ 200,058
Restricted cash and cash equivalents	6,716	6,713
Inventories	118,961	89,908
Prepaid expenses	13,729	9,580
Other current assets	13,441	9,985
Total current assets	378,521	316,244
Property and equipment, net	124,795	108,366
Right-of-use lease assets	229,975	228,749
Deferred income taxes	18,120	15,814
Other assets	12,349	11,199
Total assets	763,760	680,372
Current liabilities
Accounts payable	34,663	31,429
Customer deposits	120,149	86,183
Accrued liabilities	56,880	52,963
Current lease liabilities	34,108	33,466
Total current liabilities	245,800	204,041
Noncurrent lease liabilities	203,935	200,200
Other liabilities	22,484	23,164
Total liabilities	472,219	427,405
Capital Stock, par value $1 per share
Preferred Stock, Authorized - 1,000 shares; Issued: None
Additional paid-in capital	100,816	96,850
Retained earnings	358,113	304,626
Accumulated other comprehensive loss	(2,412)	(2,560)
Less treasury stock at cost - Common Stock (2021 - 13,374; and 2020 - 12,862 shares) and Convertible Class A Common Stock (2021 and 2020 - 522 shares)	(196,692)	(177,545)
Total stockholders' equity	291,541	252,967
Total liabilities and stockholders' equity	763,760	680,372
Common Stock [Member]
Capital Stock, par value $1 per share
Common Stock	29,906	29,600
Convertible Class A Common Stock [Member]
Capital Stock, par value $1 per share
Common Stock	$ 1,810	$ 1,996