ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - Capital Raising Activities (Narrative) (Details) - USD ($)			3 Months Ended					4 Months Ended	9 Months Ended		11 Months Ended		12 Months Ended
	Mar. 05, 2021	Jan. 25, 2021	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Oct. 28, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Jun. 21, 2021	Dec. 31, 2021
Subsidiary, Sale of Stock [Line Items]
Proceeds From Issuance Of Common Stock, net of issuance costs									$ 0	$ 398,661,000
Stock Issued During Period, Value, New Issues			$ 0	$ 0	$ 177,007,000	$ 124,746,000	$ 96,908,000						$ 514,059,000
Total shares issued under distribution agreement					7,164,000	4,617,000	3,650,000						20,165,636
At the Market Offering Program [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds From Issuance Of Common Stock, net of issuance costs								$ 246,000,000.0			$ 77,000,000.0	$ 147,400,000
Stock Issued During Period, Value, New Issues								$ 250,000,000.0			$ 78,300,000	$ 150,000,000.0
Total shares issued under distribution agreement								9,881,467			3,167,140	5,538,730
At the Market Offering Program [Member] | Maximum [Member]
Subsidiary, Sale of Stock [Line Items]
Stock Issued During Period, Value, New Issues								$ 250,000,000			$ 250,000,000	$ 150,000,000
Follow-on Offering [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds From Issuance Of Common Stock, net of issuance costs	$ 50,000,000.0	$ 45,200,000
Total shares issued under distribution agreement	1,840,000	1,748,000
Share Price	$ 27.25	$ 26.00
Firm Offering [Member]
Subsidiary, Sale of Stock [Line Items]
Total shares issued under distribution agreement	1,600,000	1,520,000
Over-Allotment Option [Member]
Subsidiary, Sale of Stock [Line Items]
Total shares issued under distribution agreement	240,000	228,000,000