Condensed Financial Information of Registrant (Parent Company Only) - Balance Sheets (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2021	Sep. 24, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 47,998		$ 66,633
TOTAL ASSETS	$ 1,372,259		$ 1,316,118
Preferred stock, shares issued (in shares)	0		0
Preferred stock, shares outstanding (in shares)	0		0
STOCKHOLDERS’ EQUITY:
Preferred stock ($0.01 par value; 100,000,000 shares authorized; no shares issued or outstanding)	$ 0		$ 0
Common stock ($0.01 par value; 239,600,000 shares authorized and 88,554,962 shares issued and outstanding as of December 31, 2020; and 1,000,000,000 shares authorized and 95,854,795 shares issued and 95,746,975 shares outstanding as of December 31, 2021, respectively)	68		1
Additional paid-in capital	916,578		770,714
Common stock held in treasury (107,820 shares in 2019 and 2020)	(897)		(897)
Accumulated deficit	(206,218)		(187,691)
Accumulated other comprehensive (loss) income	93		1,057
Total stockholders’ equity	709,624		583,184	$ 627,111	$ 665,866
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 1,372,259		$ 1,316,118
Preferred stock, par value (in USD per share)	$ 0.01		$ 0.01
Preferred stock, shares authorized (in shares)	100,000,000		100,000,000
Common stock, par value (in USD per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000		239,600,000
Common stock, shares issued (in shares)	95,854,795		88,554,962
Common stock, shares outstanding (in shares)	95,746,975		88,554,962
Treasury stock (in shares)	107,820		107,820
Parent Company
ASSETS
Cash and cash equivalents	$ 8		$ 8
Investment in subsidiaries of Parent	709,616		583,176
TOTAL ASSETS	$ 709,624		$ 583,184
Preferred stock, shares issued (in shares)	0		0
Preferred stock, shares outstanding (in shares)	0		0
STOCKHOLDERS’ EQUITY:
Preferred stock ($0.01 par value; 100,000,000 shares authorized; no shares issued or outstanding)	$ 0		$ 0
Common stock ($0.01 par value; 239,600,000 shares authorized and 88,554,962 shares issued and outstanding as of December 31, 2020; and 1,000,000,000 shares authorized and 95,854,795 shares issued and 95,746,975 shares outstanding as of December 31, 2021, respectively)	68		1
Additional paid-in capital	916,578		770,714
Common stock held in treasury (107,820 shares in 2019 and 2020)	(897)		(897)
Accumulated deficit	(206,218)		(187,691)
Accumulated other comprehensive (loss) income	93		1,057
Total stockholders’ equity	709,624		583,184
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 709,624		$ 583,184
Preferred stock, par value (in USD per share)	$ 0.01		$ 0.01
Preferred stock, shares authorized (in shares)	100,000,000		100,000,000
Common stock, par value (in USD per share)	$ 0.01		$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000		239,600,000
Common stock, shares issued (in shares)	95,854,795		88,554,962
Common stock, shares outstanding (in shares)	95,746,975		88,554,962
Treasury stock (in shares)	107,820		107,820