Organization and Basis of Presentation - Business Acquisition, Schedule of Retrospective Adjustment (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Description Of Business [Line Items]
Total assets	$ 5,415,607		$ 5,415,607			$ 3,953,242
Total liabilities	4,711,771		4,711,771			3,121,271
Total equity	685,165	$ 773,245	685,165	$ 773,245	$ 794,360	811,297	$ 748,953	$ 729,106
Total liabilities, redeemable partnership interest, and equity	5,415,607		5,415,607			3,953,242
Income (loss) from operations before income taxes	(20,633)	17,273	71,751	94,190
Consolidated net income (loss)	(13,941)	8,715	64,695	66,158
Net income (loss) attributable to noncontrolling interest in subsidiaries	(2,539)	(135)	17,141	17,067
Net income (loss) available to common stockholders	$ (11,402)	$ 8,850	$ 47,554	$ 49,091
Basic earnings (loss) per share (in dollars per share)	$ (0.03)	$ 0.02	$ 0.12	$ 0.14
Diluted earnings (loss) per share (in shares)	$ (0.03)	$ 0.02	$ 0.12	$ 0.13
As Previously Reported
Description Of Business [Line Items]
Total assets						3,949,300
Total liabilities						3,120,397
Total equity						808,229
Total liabilities, redeemable partnership interest, and equity						3,949,300
Income (loss) from operations before income taxes		$ 18,462		$ 97,378
Consolidated net income (loss)		9,904		69,346
Net income (loss) attributable to noncontrolling interest in subsidiaries		251		18,100
Net income (loss) available to common stockholders		$ 9,653		$ 51,246
Basic earnings (loss) per share (in dollars per share)		$ 0.03		$ 0.14
Diluted earnings (loss) per share (in shares)		$ 0.03		$ 0.14
Retrospective Adjustments
Description Of Business [Line Items]
Total assets						3,942
Total liabilities						874
Total equity						3,068
Total liabilities, redeemable partnership interest, and equity						$ 3,942
Income (loss) from operations before income taxes		$ (1,189)		$ (3,188)
Consolidated net income (loss)		(1,189)		(3,188)
Net income (loss) attributable to noncontrolling interest in subsidiaries		(386)		(1,033)
Net income (loss) available to common stockholders		$ (803)		$ (2,155)
Basic earnings (loss) per share (in dollars per share)		$ (0.01)		$ 0
Diluted earnings (loss) per share (in shares)		$ (0.01)		$ (0.01)