CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
General and administrative expense	$ 16,845	$ 14,573	$ 49,000	$ 39,485
Rental income	239	246	715	738
Interest income (expense)	(493)	(308)	584	(1,158)
VIE, Primary Beneficiary
General and administrative expense	665	683	1,899	1,983
Rental income	239	246	715	738
Interest income (expense)	$ (470)	$ 273	$ 781	$ (283)