Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Finance Lease, Principal Payments	$ (200)	$ 0
Cash flows from operating activities:
Net income	175,703	188,406
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,622	5,062
Equity-based compensation expense	7,492	19,333
Contract land deposit and other impairments, net	36,336	542
Gain on sale of loans, net	(18,400)	(34,957)
Mortgage loans closed	(1,133,283)	(1,141,720)
Mortgage loans sold and principal payments on mortgage loans held for sale	1,228,025	1,204,898
Distribution of earnings from unconsolidated joint ventures	0	608
Net change in assets and liabilities:
Increase in inventory	(168,352)	(28,059)
Decrease in contract land deposits	8,259	6,303
Increase in receivables	(33,190)	(12,005)
(Decrease) increase in accounts payable and accrued expenses	(39,438)	21,152
Increase in customer deposits	15,275	4,388
Other, net	(15,608)	(6,096)
Net Cash Provided by (Used in) Operating Activities	68,441	227,855
Cash flows from investing activities:
Investments in and advances to unconsolidated joint ventures	0	(335)
Distribution of capital from unconsolidated joint ventures	0	3,257
Purchase of property, plant and equipment	(3,510)	(5,285)
Proceeds from the sale of property, plant and equipment	252	484
Net Cash Provided by (Used in) Investing Activities	(3,258)	(1,879)
Cash flows from financing activities:
Purchase of treasury stock	(216,582)	(216,499)
Proceeds from the exercise of stock options	109,062	98,974
Net Cash Provided by (Used in) Financing Activities	(107,720)	(117,525)
Net (decrease) increase in cash, restricted cash, and cash equivalents	(42,537)	108,451
Cash, restricted cash, and cash equivalents, beginning of the period	1,160,804	732,248
Cash, restricted cash, and cash equivalents, end of the period	1,118,267	840,699
Supplemental disclosures of cash flow information:
Interest paid during the period, net of interest capitalized	12,174	11,910
Income taxes paid during the period, net of refunds	$ 2,438	$ 2,316

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