Related Party Transactions and Arrangements (Offering-Related Revenue) (Details)	Sep. 30, 2015	Sep. 30, 2014
Selling Commission Reimbursement [Member]
Related Party Transaction [Line Items]
Revenue from related party, percentage	100.00%	100.00%
Wrap Class Shares [Member] | Dealer Manager Fee [Member]
Related Party Transaction [Line Items]
Daily asset based related party fee percent	0.55%
Advisor Class Shares [Member] | Selling Commissions [Member]
Related Party Transaction [Line Items]
Revenue from related party, percentage of offering price per share (up to)	3.75%
Advisor Class Shares [Member] | Distribution Fee [Member]
Related Party Transaction [Line Items]
Daily asset based related party fee percent	0.50%
Advisor Class Shares [Member] | Dealer Manager Fee [Member]
Related Party Transaction [Line Items]
Daily asset based related party fee percent	0.55%
Institutional Class Shares [Member] | Dealer Manager Fee [Member]
Related Party Transaction [Line Items]
Daily asset based related party fee percent	0.25%
CCPT V [Member] | Selling Commissions [Member]
Related Party Transaction [Line Items]
Revenue from related party, percentage of gross offering proceeds	7.00%
CCPT V [Member] | Dealer Manager Fee [Member]
Related Party Transaction [Line Items]
Revenue from related party, percentage of gross offering proceeds	2.00%
CCIT II [Member] | Selling Commissions [Member]
Related Party Transaction [Line Items]
Revenue from related party, percentage of gross offering proceeds	7.00%
CCIT II [Member] | Dealer Manager Fee [Member]
Related Party Transaction [Line Items]
Revenue from related party, percentage of gross offering proceeds	2.00%
CCPT IV [Member] | Selling Commissions [Member]
Related Party Transaction [Line Items]
Revenue from related party, percentage of gross offering proceeds	7.00%
CCPT IV [Member] | Dealer Manager Fee [Member]
Related Party Transaction [Line Items]
Revenue from related party, percentage of gross offering proceeds	2.00%