SHAREHOLDERS' EQUITY - Narrative (Details)			3 Months Ended		6 Months Ended		67 Months Ended
	Jul. 18, 2021	Feb. 04, 2020 USD ($) sales_agent	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) $ / shares shares	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) $ / shares shares	Sep. 30, 2024 USD ($) $ / shares shares	May 21, 2024 USD ($)	May 20, 2024 USD ($)	Aug. 02, 2022 USD ($)	Aug. 01, 2022 USD ($)	Aug. 31, 2021 USD ($)	Jul. 28, 2021 USD ($)	May 26, 2021 USD ($)	Feb. 20, 2020	Mar. 04, 2019 USD ($)
Subsidiary or Equity Method Investee [Line Items]
Repurchase authorized amount												$ 20,000,000	$ 20,000,000
Restricted Stock | 2010 Plan
Subsidiary or Equity Method Investee [Line Items]
Right to grant period	10 years
Equity ATM Program
Subsidiary or Equity Method Investee [Line Items]
Maximum consideration threshold		$ 100,000,000.0						$ 1,000,000,000	$ 650,000,000	$ 650,000,000.0	$ 250,000,000.0			$ 250,000,000.0		$ 50,000,000.0
Number of additional sales agents | sales_agent		2
Gross sales commission percentage														1.50%	2.00%
Number of shares sold (in shares) | shares			839,099	1,100,000	2,338,080	3,627,458	27,684,517
Weighted average price per share (in usd per share) | $ / shares			$ 24.49	$ 20.77	$ 25.20	$ 18.86	$ 21.23
Gross proceeds received			$ 20,552,000	$ 22,844,000	$ 58,920,000	$ 68,416,000	$ 587,800,000
Net proceeds received			20,244,000	$ 22,501,000	58,036,000	$ 67,390,000	578,600,000
Available under the equity ATM program			$ 412,200,000		$ 412,200,000		$ 412,200,000