Merger with Cole II - Summary of Purchase Price Allocation to the Assets Acquired and Liabilities Assumed (Details) (Cole II [Member], USD $)
In Thousands, unless otherwise specified
Jul. 17, 2013
Cole II [Member]
 
Real estate investments:  
Land and improvements $ 944,060
Buildings and improvements 2,203,859
Real estate investments under direct financing leases, net 58,765
Loans receivable, net 81,433
Intangible lease assets 482,321
Net investments 3,770,438
Cash and cash equivalents 7,347
Deferred costs and other assets, net 13,608
Total assets 3,791,393
Liabilities  
Revolving credit facilities 324,111
Mortgages and notes payable, net 1,512,029
Intangible lease liabilities 190,330
Accounts payable, accrued expenses and other liabilities 30,607
Total liabilities 2,057,077
Fair value of net assets acquired $ 1,734,316