Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities
Net income	$ 142,496	$ 101,652
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,606	2,806
Stock-based compensation expense	4,064	3,019
Fair value of mortgage loans held for sale and other	4,443	(15)
Deferred income taxes	(33)	(2,763)
Loss on disposition of assets	384	329
Changes in assets and liabilities:
Cash held in escrow	7,085	(31,071)
Accounts receivable	3,669	(3,075)
Inventories	(193,451)	63,586
Mortgage loans held for sale	144,361	(25,662)
Prepaid expenses and other assets	(28,084)	(14,900)
Accounts payable	8,720	(23,533)
Accrued expenses and other liabilities	13,173	25,747
Net cash provided by operating activities	109,433	96,120
Investing activities
Purchases of property and equipment	(5,841)	(2,913)
Other investing activities	750	27
Net cash used in investing activities	(5,091)	(2,886)
Financing activities
Borrowings under revolving credit facilities	141,500
Payments on revolving credit facilities	(141,500)
Proceeds from issuance of insurance premium notes and other	16,863	4,124
Principal payments on insurance premium notes and other	(5,235)	(1,602)
Net (payments) proceeds for mortgage repurchase facilities	(138,848)	26,000
Withholding of common stock upon vesting of stock-based compensation awards	(12,138)	(12,177)
Repurchases of common stock under stock repurchase program	(62,377)
Dividend payments	(6,657)
Other	(34)	(30)
Net cash (used in) provided by financing activities	(208,426)	16,315
Net (decrease) increase	(104,084)	109,549
Cash and cash equivalents and Restricted cash, Beginning of period	322,241	398,081
Cash and cash equivalents and Restricted cash, End of period	218,157	507,630
Supplemental cash flow disclosure
Income tax expense	(893)	10
Cash and cash equivalents and Restricted cash
Cash and cash equivalents	209,046	502,906
Restricted cash (Note 5)	$ 9,111	$ 4,724