National Storage Affiliates Trust Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- DOCUMENT AND ENTITY INFORMATION
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

RELATED PARTY TRANSACTIONS (Details)

v3.10.0.1

RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Related Party Transaction [Line Items]
Payroll and related costs reimbursed to the PROs by the Company	$ 26,552	$ 21,618	$ 76,962	$ 61,170
Supervisory and Administrative Fee Agreement \| Management \| Participating Regional Operator (PRO)
Related Party Transaction [Line Items]
Supervisory and administrative fees paid to the PROs	4,400	3,700	$ 12,600	10,500
Supervisory and Administrative Fee Agreement \| Management \| Participating Regional Operator (PRO) \| Minimum
Related Party Transaction [Line Items]
Supervisory and administrative fee agreement of gross revenue, percent			5.00%
Supervisory and Administrative Fee Agreement \| Management \| Participating Regional Operator (PRO) \| Maximum
Related Party Transaction [Line Items]
Supervisory and administrative fee agreement of gross revenue, percent			6.00%
Payroll Services \| Management \| Participating Regional Operator (PRO)
Related Party Transaction [Line Items]
Payroll and related costs reimbursed to the PROs by the Company	7,400	6,100	$ 21,900	17,800
Due Diligence Costs \| Management \| Participating Regional Operator (PRO)
Related Party Transaction [Line Items]
Due diligence expenses payable to the PROs	$ 100	$ 200	300	$ 500
NSA OP, LP \| Issuance of units to affiliate of Personal Mini \| Affiliated Entity
Related Party Transaction [Line Items]
Value of co-investment in acquisition			$ 300
Subordinated performance units \| NSA OP, LP \| Issuance of units to affiliate of Personal Mini \| Affiliated Entity
Related Party Transaction [Line Items]
Issuance of common shares/units (in shares)			11,490
Subordinated performance units \| NSA OP, LP \| Issuance of units to affiliates of Hide-Away \| Affiliated Entity
Related Party Transaction [Line Items]
Issuance of common shares/units (in shares)			19,973

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Related Party Transaction, Management Agreement, Percent Of Revenue

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