SENIOR NOTES PAYABLE - Additional information (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Jan. 05, 2022
Debt Instrument [Line Items]
Proceeds from issuance of debt			$ 35,873,000	$ 85,327,000
Senior Notes
Debt Instrument [Line Items]
Proceeds from issuance of debt	$ 15,800,000	$ 72,469,000
Outstanding balance	1,644,778,000		1,644,778,000		$ 1,606,560,000
Net of unamortized debt issue costs	$ 19,144,000		$ 19,144,000		$ 21,489,000
Debt, weighted average interest rate	5.70%		5.70%		5.69%
Interest expense on senior notes total	$ 24,650,000	$ 19,970,000	$ 49,072,000	$ 38,564,000
Senior notes payable	$ 1,663,922,000		1,663,922,000		$ 1,628,049,000
Senior Notes | Sales Agreement Prospectus
Debt Instrument [Line Items]
Outstanding notes payable			$ 76,038,000		$ 111,911,000
Senior Notes | Sales Agreement Prospectus | Maximum
Debt Instrument [Line Items]
Senior notes payable						$ 250,000,000