Related Party Transactions and Arrangements (Operating Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2015		Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Total [Member] | Acquisition and Disposition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	$ 6,416			$ 16,105
Total [Member] | Acquisition Expense Reimbursements [Member]
Related Party Transaction [Line Items]
Revenue from related parties	620		$ 704	1,191	$ 1,012
Total [Member] | Acquisition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties			14,412		18,971
Total [Member] | Asset Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	188		253	414	404
Total [Member] | Property Management And Leasing Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	183		285	378	575
Total [Member] | Operating Expense Reimbursement Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	3,103		1,970	5,621	3,173
Total [Member] | Advisory And Performance Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	10,503		9,629	21,681	14,922
CCPT IV [Member] | Acquisition and Disposition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	3,814			7,307
CCPT IV [Member] | Acquisition Expense Reimbursements [Member]
Related Party Transaction [Line Items]
Revenue from related parties	281		378	522	614
CCPT IV [Member] | Acquisition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties			6,787		10,785
CCPT IV [Member] | Asset Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
CCPT IV [Member] | Property Management And Leasing Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
CCPT IV [Member] | Operating Expense Reimbursement Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	1,958		1,159	3,648	1,988
CCPT IV [Member] | Advisory And Performance Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	7,764		4,747	15,148	7,311
CCPT V [Member] | Acquisition and Disposition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	368			1,363
CCPT V [Member] | Acquisition Expense Reimbursements [Member]
Related Party Transaction [Line Items]
Revenue from related parties	168		130	408	147
CCPT V [Member] | Acquisition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties			519		585
CCPT V [Member] | Asset Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
CCPT V [Member] | Property Management And Leasing Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
CCPT V [Member] | Operating Expense Reimbursement Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	554		37	798	37
CCPT V [Member] | Advisory And Performance Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	820		8	1,577	8
CCIT [Member] | Acquisition and Disposition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0	[1]		4,350
CCIT [Member] | Acquisition Expense Reimbursements [Member]
Related Party Transaction [Line Items]
Revenue from related parties	(6)	[1]	61	15	116
CCIT [Member] | Acquisition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties			3,232		3,727
CCIT [Member] | Asset Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0	[1]	0	0	0
CCIT [Member] | Property Management And Leasing Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0	[1]	0	0	0
CCIT [Member] | Operating Expense Reimbursement Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	(14)	[1]	695	325	1,068
CCIT [Member] | Advisory And Performance Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0	[1]	4,561	1,557	7,156
CCIT II [Member] | Acquisition and Disposition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	10			10
CCIT II [Member] | Acquisition Expense Reimbursements [Member]
Related Party Transaction [Line Items]
Revenue from related parties	99		0	143	0
CCIT II [Member] | Acquisition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties			3,874		3,874
CCIT II [Member] | Asset Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
CCIT II [Member] | Property Management And Leasing Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
CCIT II [Member] | Operating Expense Reimbursement Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	605		79	850	80
CCIT II [Member] | Advisory And Performance Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	1,210		115	2,406	141
INAV [Member] | Acquisition and Disposition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0			0
INAV [Member] | Acquisition Expense Reimbursements [Member]
Related Party Transaction [Line Items]
Revenue from related parties	78		135	103	135
INAV [Member] | Acquisition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties			0		0
INAV [Member] | Asset Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
INAV [Member] | Property Management And Leasing Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
INAV [Member] | Operating Expense Reimbursement Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
INAV [Member] | Advisory And Performance Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	709		198	993	306
Other Related Parties [Member] | Acquisition and Disposition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	2,224			3,075
Other Related Parties [Member] | Acquisition Expense Reimbursements [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
Other Related Parties [Member] | Acquisition Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties			0		0
Other Related Parties [Member] | Asset Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	188		253	414	404
Other Related Parties [Member] | Property Management And Leasing Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	183		285	378	575
Other Related Parties [Member] | Operating Expense Reimbursement Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0		0	0	0
Other Related Parties [Member] | Advisory And Performance Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	$ 0		$ 0	$ 0	$ 0

[1] Negative reimbursement balances are due to adjustments, subsequent to the fund closing on April 4, 2014, which are related to CCIT’s allocation of the 2014 discretionary bonus.