SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration Risks (Details) - Data center rental revenue	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Geographical concentration \| Missouri
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	62.97%	62.37%
Geographical concentration \| California
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	37.03%	37.63%
Customer concentration \| TierPoint
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	40.38%	39.98%
Customer concentration \| Wesco
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	22.59%	22.38%
Customer concentration \| AT&T Inc and subsidiaries
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration risk percentage	37.03%	37.64%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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