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- Definition

Real Estate, Number of Properties Sold

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

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- Definition

Escrow deposits related to property sales in noncash investing and financing activities.

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- Definition

Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

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- Definition

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investments in Real Estate - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Property	Jun. 30, 2017 USD ($) Property
Real Estate [Line Items]
Net proceeds from sale of properties			$ 127,035	$ 148,960
Asset impairment charges	$ 35,269	$ 13,599	88,318	21,591
Overland Park, Kansas [Member]
Real Estate [Line Items]
Asset impairment charges			17,906
Amount in excess of fair value	25,259		25,259
Overland Park, Kansas [Member] \| Mortgages [Member]
Real Estate [Line Items]
Mortgages and notes payable	47,884		47,884
Industrial Property [Member]
Real Estate [Line Items]
Escrow deposits related to property sales			64,511
LCIF [Member]
Real Estate [Line Items]
Net proceeds from sale of properties			66,535	7,106
Real estate held-for-sale	17,284		17,284
Asset impairment charges	1,208	$ 2,762	23,938	$ 5,259
LCIF [Member] \| Overland Park, Kansas [Member]
Real Estate [Line Items]
Asset impairment charges			17,906
Amount in excess of fair value	19,186		19,186
LCIF [Member] \| Overland Park, Kansas [Member] \| Mortgages [Member]
Real Estate [Line Items]
Mortgages and notes payable	$ 32,411		$ 32,411
LCIF [Member] \| Industrial Property [Member]
Real Estate [Line Items]
Number of properties sold \| Property			2
Net proceeds from sale of properties			$ 66,799
Loss (gain) on sale			(15,362)
Escrow deposits related to property sales			$ 64,511
LCIF [Member] \| Office Building [Member]
Real Estate [Line Items]
Number of properties sold \| Property				2
Net proceeds from sale of properties				$ 7,591
Loss (gain) on sale				$ 5,259