Transactions with Related Parties (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended		3 Months Ended			9 Months Ended		0 Months Ended	1 Months Ended	3 Months Ended				6 Months Ended	9 Months Ended								0 Months Ended	6 Months Ended	0 Months Ended
	Mar. 13, 2014	May 04, 2012	Mar. 12, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Mar. 02, 2014 Affiliated Entity [Member]	Jan. 31, 2014 Affiliated Entity [Member]	Sep. 30, 2014 Affiliated Entity [Member]		Sep. 30, 2013 Affiliated Entity [Member]		Jun. 30, 2014 Affiliated Entity [Member]	Sep. 30, 2014 Affiliated Entity [Member]		Sep. 30, 2013 Affiliated Entity [Member]		Sep. 30, 2014 Inland Bank and Trust [Member]	Dec. 31, 2013 Inland Bank and Trust [Member]	Sep. 30, 2014 Inland Real Estate Corporation [Member]	Dec. 31, 2013 Inland Real Estate Corporation [Member]	Dec. 31, 2014 Related Party Transaction [Domain]	Dec. 31, 2014 Related Party Transaction [Domain]	Jul. 02, 2014 Retail Properties of America RPAI [Member] Affiliated Entity [Member]	Jul. 02, 2014 Inland Diversified [Member] Affiliated Entity [Member]
Related Party Transaction [Line Items]
Business management fee incurred, gross									$ 3,333
Business Manager Agreement, date of letter		May 04, 2012
Investigation Costs															728
Non-cumulative, non-compounded return on invested capital																	5.00%
Percentage of annual business management fee																	1.00%
Payment of management fee to Business Manager, percentage of average invested assets																	0.25%
Average invested assets																	10,899,071
Business management fee				0	9,648	2,605	29,127			0	[1]	9,648	[1]		2,605	[1]	29,127	[1]
Business management fee, percent type																	0.28%
Payment to related party															0.20%
Consulting agreement fee per month						200
Asset Acquisition Agreement Consummation Date																							Dec. 31, 2014
Date of Self-Management Transaction Event	Mar. 12, 2014
Deposited in Inland Bank and Trust																			376	376
Inland Diversifed and KITE Realty Inc Merger Date																									Dec. 01, 2014	Jul. 01, 2014
Insurance premiums for Captive										3,033		3,021			9,397		9,158
Gain on Sale of Investments						2,848
Shares held in related entity																					0	899,820
Equity interest in related entity																						9,466
Reimbursement for property manager compensation and other expenses			249
Service agreement termination notice window in days						60
Reimbursement for business manager compensation and other expenses			3,401
Percentage of Gross Income Generated Property																	2.50%
Percentage Of Gross Income Generated By Multi-Tenant Industrial Property																	4.00%
Percentage Of Gross Income Generated By Multi-Family Property																	3.75%
Percentage Of Gross Income Generated By Multi-Tenant Office Property														3.50%			3.75%							3.25%
Effective hiring date of property manager employees								Mar. 01, 2014
Percentage Of Gross Income Generated By Multi-Tenant Retail Property														3.50%			4.50%							3.25%
Percentage Of Gross Income Generated By Single-Tenant Industrial Property																	2.25%
Percentage Of Gross Income Generated By Single-Tenant Office Property																	2.90%
Percentage Of Gross Income Generated By Single-Tenant Retail Property																	2.90%
Reimbursement to property managers										$ 1,274		$ 3,111			$ 4,569		$ 9,545

[1] In connection with the closing of the Master Modification Agreement and termination of the business management agreement, the Company paid a business management fee for January 2014, which totaled approximately $3,333. The Company did not pay a business management fee for February or March 2014. Pursuant to the letter agreement dated May 4, 2012, the business management fee was reduced for investigation costs exclusive of legal fees incurred in conjunction with the SEC matter. The Master Modification Agreement contained a ninety-day reconciliation of certain payments and reimbursements, including the January 2014 business management fee. The reconciliation was completed during the nine months ended September 30, 2014, which resulted in $728 of SEC-related investigation costs and an adjusted January 2014 business management fee expense of $2,605. Pursuant to the March 12, 2014 Self-Management Transactions, the May 4, 2012 letter agreement by the Business Manager has been terminated.The Company incurred a business management fee of $29,127 for the nine months ended September 30, 2013, under the terms of its Business Manager agreement, which was terminated March 12, 2014. After the Company’s stockholders received a non-cumulative, non-compounded return of 5.00% per annum on their “invested capital,” the Company paid its Business Manager an annual business management fee of up to 1.00% of the “average invested assets,” payable quarterly in an amount equal to 0.25% of the average invested assets as of the last day of the immediately preceding quarter. For the nine months ended September 30, 2013, average invested assets were $10,899,071. The business management fee was equal to 0.28% of average invested assets for the nine months ended September 30, 2013.