Note 3. Real Estate Properties

At March 31, 2014, we owned 374 properties (400 buildings) located in 40 states and Washington, D.C. We have accounted, or expect to account for the following acquisitions as business combinations unless otherwise noted.

MOB Acquisitions:

In April 2014, we acquired one property (one building) leased to medical providers, medical related businesses, clinics and biotech laboratory tenants, or an MOB, for approximately $32,658, including the assumption of approximately $15,630 of mortgage debt, and excluding closing costs. This MOB is located in Texas and includes 125,240 square feet of leasable space. We funded this acquisition using cash on hand and borrowings under our revolving credit facility.

In February 2014, we entered into an agreement to acquire one MOB (two buildings) for approximately $1,125,420, excluding closing costs. This MOB is located in Massachusetts and includes 1,651,037 gross building square feet. The closing of this acquisition is contingent upon various closing conditions; accordingly, we can provide no assurance that we will purchase this property, that this acquisition will not be delayed or that its terms will not change.

Impairment

We periodically evaluate our properties for impairments. Impairment indicators may include declining tenant occupancy, weak or declining tenant profitability, cash flow or liquidity, our decision to dispose of an asset before the end of its estimated useful life, and legislative, market or industry changes that could permanently reduce the value of a property. If indicators of impairment are present, we evaluate the carrying value of the affected property by comparing it to the expected future undiscounted net cash flows to be generated from that property. If the sum of these expected future net cash flows is less than the carrying value, we reduce the net carrying value of the property to its estimated fair value. During the three months ended March 31, 2013, we recorded an impairment of assets charge of $1,304 to reduce the carrying value of one of our properties held for use to its estimated net sale price.

As of March 31, 2014, we had nine senior living communities with 708 units and four MOBs (seven buildings) with 831,499 square feet categorized as properties held for sale. During the three months ended March 31, 2014, we recorded impairment of assets charges of $721 to reduce the carrying value of two MOBs included in discontinued operations to their aggregate estimated net sale price. The 13 properties are included in other assets in our condensed consolidated balance sheets and have a net book value (after impairment) of approximately $25,644 at March 31, 2014. As of December 31, 2013, we had 10 senior living communities with 744 units and four MOBs (seven buildings) with 831,499 square feet categorized as properties held for sale, which were similarly recorded and categorized at March 31, 2014, except that one of the senior living communities was sold in January 2014, as noted below. These properties are included in other assets in our condensed consolidated balance sheets and had a net book value (after impairment) of approximately $27,888 at December 31, 2013. We decided to sell these properties due to underlying conditions in the markets where these properties are located. We classify all properties that meet the criteria outlined in the Property, Plant and Equipment Topic of the FASB Accounting Standards Codification, or the Codification, as held for sale in our condensed consolidated balance sheets.

Results of operations for properties sold or held for sale are included in discontinued operations in our condensed consolidated statements of operations once the criteria for discontinued operations in the Presentation of Financial Statements Topic of the Codification are met. Summarized income statement information for the four MOBs (seven buildings) that meet the criteria for discontinued operations is included in discontinued operations as follows:

	Three Months Ended March 31,
	2014			2013
Rental income	$	2,294		$	2,521
Property operating expenses	(994		)	(903		)
Depreciation and amortization	—			(599		)
Income from discontinued operations	$	1,300		$	1,019

In January 2014, we sold a senior living community with 36 units that was previously classified as held for sale for $2,400 and recorded a gain on the sale of this property of approximately $156.

In April 2014, we sold one MOB (one building) for approximately $5,000, excluding closing costs. We will record the gain or loss on this sale during the period ended June 30, 2014 when all of the costs of the sale are known.

The senior living properties which we are offering for sale do not meet the criteria for discontinued operations as they are included within combination leases with other properties that we expect to continue leasing.