Condensed Consolidated Statements of Stockholders' Deficiency - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)			154,840,902
Beginning Balance	$ (805,772)	$ (840,652)	$ (807,877)	$ (841,553)
Net income	38,089	39,153	72,830	71,695
Total other comprehensive income	161	295	370	552
Dividends on common stock	(31,755)	(31,759)	(63,519)	(63,526)
Restricted stock grants			0	0
Withholding of shares as payment of payroll tax liabilities in connection with restricted stock vesting	(493)	(519)	(3,152)	(1,557)
Withholding of shares as payment of payroll tax liabilities in connection with exercise of stock options			(12,633)
Exercise of stock options			12,105
Stock-based compensation	$ 2,645	2,570	$ 4,751	4,717
Reallocation of distribution of Douglas Elliman		0		0
Other				(1,240)
Ending Balance (in shares)	155,934,987		155,934,987
Ending Balance	$ (797,125)	$ (830,912)	$ (797,125)	$ (830,912)
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	155,976,547	154,938,177	154,840,902	153,959,427
Beginning Balance	$ 15,598	$ 15,494	$ 15,484	$ 15,396
Restricted stock grants (in shares)			1,290,000	1,070,000
Restricted stock grants			$ 129	$ 107
Withholding of shares as payment of payroll tax liabilities in connection with restricted stock vesting (in shares)	(41,560)	(42,048)	(238,981)	(133,298)
Withholding of shares as payment of payroll tax liabilities in connection with restricted stock vesting	$ (5)	$ (4)	$ (25)	$ (13)
Withholding of shares as payment of payroll tax liabilities in connection with exercise of stock options (in shares)			(1,012,249)
Withholding of shares as payment of payroll tax liabilities in connection with exercise of stock options			$ (101)
Exercise of stock options (in shares)			1,055,315
Exercise of stock options			$ 106
Ending Balance (in shares)	155,934,987	154,896,129	155,934,987	154,896,129
Ending Balance	$ 15,593	$ 15,490	$ 15,593	$ 15,490
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	3,897	12,183	5,092	11,172
Restricted stock grants			(129)	(107)
Withholding of shares as payment of payroll tax liabilities in connection with restricted stock vesting	(488)	(515)	(3,127)	(1,544)
Withholding of shares as payment of payroll tax liabilities in connection with exercise of stock options			(12,532)
Exercise of stock options			11,999
Stock-based compensation	2,645	2,570	4,751	4,717
Reallocation of distribution of Douglas Elliman		(11,172)		(11,172)
Ending Balance	6,054	3,066	6,054	3,066
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(809,403)	(852,863)	(812,380)	(852,398)
Net income	38,089	39,153	72,830	71,695
Dividends on common stock	(31,755)	(31,759)	(63,519)	(63,526)
Reallocation of distribution of Douglas Elliman		11,172		11,172
Other				(1,240)
Ending Balance	(803,069)	(834,297)	(803,069)	(834,297)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(15,864)	(15,466)	(16,073)	(15,723)
Total other comprehensive income	161	295	370	552
Ending Balance	$ (15,703)	$ (15,171)	$ (15,703)	$ (15,171)