Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Investments in real estate:
Land	$ 126,555	$ 107,171
Buildings and equipment	669,901	691,457
Less accumulated depreciation	(82,428)	(83,137)
Net property and equipment	714,028	715,491
Investments in unconsolidated real estate affiliates	19,988	26,184
Net investments in real estate	734,016	741,675
Cash and cash equivalents	36,986	28,033
Restricted cash	15,880	18,367
Tenant accounts receivable, net	1,825	2,301
Deferred expenses, net	6,208	4,875
Acquired intangible assets, net	41,125	33,909
Deferred rent receivable, net	4,575	4,772
Prepaid expenses and other assets	1,419	1,118
TOTAL ASSETS	842,034	835,050
LIABILITIES AND EQUITY
Mortgage notes and other debt payable, net	492,985	582,495
Accounts payable and other accrued expenses	15,615	9,214
Distributions payable	2,975	0
Accrued interest	2,033	4,265
Accrued real estate taxes	937	1,132
Advisor fees payable	324	648
Acquired intangible liabilities, net	10,080	6,217
TOTAL LIABILITIES	524,949	603,971
Commitments and contingencies	0	0
Equity:
Additional paid-in capital	512,383	453,861
Accumulated other comprehensive income	542	322
Distributions to stockholders	(90,691)	(80,636)
Accumulated deficit	(115,851)	(153,327)
Total Jones Lang LaSalle Income Property Trust, Inc. stockholders’ equity	306,684	220,261
Noncontrolling interests	10,401	10,818
Total equity	317,085	231,079
TOTAL LIABILITIES AND EQUITY	842,034	835,050
Class E Shares [Member]
Equity:
Common Stock, Value, Issued	264	41
Class A Shares [Member]
Equity:
Common Stock, Value, Issued	36	0
Class M Shares [Member]
Equity:
Common Stock, Value, Issued	$ 1	$ 0