SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration Risks (Details)	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cell towers \| Geographical concentration \| Indiana
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	22.08%	33.89%
Cell towers \| Geographical concentration \| Texas
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	16.29%
Cell towers \| Geographical concentration \| Tennessee
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	31.73%	23.22%
Cell towers \| Customer concentration \| Verizon Communications Inc and subsidiaries
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	63.19%	62.08%
Cell towers \| Customer concentration \| AT&T Inc and subsidiaries
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	27.24%	29.90%
Data center rental revenue \| Geographical concentration \| Missouri
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	62.83%	62.22%
Data center rental revenue \| Geographical concentration \| California
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	37.17%	37.78%
Data center rental revenue \| Customer concentration \| AT&T Inc and subsidiaries
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	37.17%	37.78%
Data center rental revenue \| Customer concentration \| TierPoint
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	40.15%
Data center rental revenue \| Customer concentration \| Wesco
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	22.68%	39.74%