Schedule III - Real Estate and Accumulated Depreciation and Amortization Under Operating Leases - Table 7 (Details) (USD $) In Thousands, unless otherwise specified							12 Months Ended																																																										12 Months Ended																																																																				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Operating Lease		Dec. 31, 2013 Operating Lease QuikTrip Norcross, GA 3		Dec. 31, 2013 Operating Lease QuikTrip Olathe, KS		Dec. 31, 2013 Operating Lease QuikTrip Tulsa, OK		Dec. 31, 2013 Operating Lease QuikTrip Urbandale, IA		Dec. 31, 2013 Operating Lease QuikTrip Wichita, KS 1		Dec. 31, 2013 Operating Lease QuikTrip Wichita, KS 2		Dec. 31, 2013 Operating Lease QuikTrip Woodstock, GA		Dec. 31, 2013 Operating Lease Qwest Corporation Service Center Cedar Rapids, IA		Dec. 31, 2013 Operating Lease Qwest Corporation Service Center Decorah, IA		Dec. 31, 2013 Operating Lease Rabobank Chico, CA		Dec. 31, 2013 Operating Lease Raising Cane's Lancaster, OH		Dec. 31, 2013 Operating Lease Raising Cane's Sulphur, LA		Dec. 31, 2013 Operating Lease Raising Cane's Hurst, TX		Dec. 31, 2013 Operating Lease Raising Cane's Ft. Worth, TX		Dec. 31, 2013 Operating Lease Raising Cane's Plano, TX		Dec. 31, 2013 Operating Lease Raising Cane's Pearland, TX		Dec. 31, 2013 Operating Lease Raising Cane's Addison, TX		Dec. 31, 2013 Operating Lease Raising Cane's Houston, TX		Dec. 31, 2013 Operating Lease Raising Cane's Euless, TX		Dec. 31, 2013 Operating Lease Raising Cane's Moore, OK		Dec. 31, 2013 Operating Lease Raising Cane's Rowlett, TX		Dec. 31, 2013 Operating Lease Raising Cane's Keller, TX		Dec. 31, 2013 Operating Lease Raising Cane's Omaha, NE		Dec. 31, 2013 Operating Lease Raising Cane's McKinney, TX		Dec. 31, 2013 Operating Lease Raising Cane's Tulsa, OK		Dec. 31, 2013 Operating Lease Raising Cane's Broken Arrow, OK		Dec. 31, 2013 Operating Lease Raising Cane's Oklahoma City, OK 1		Dec. 31, 2013 Operating Lease Raising Cane's Oklahoma City, OK 2		Dec. 31, 2013 Operating Lease Raising Cane's Owasso, OK		Dec. 31, 2013 Operating Lease Rallys Toledo, OH		Dec. 31, 2013 Operating Lease RBC Bank Altamonte Springs, FL		Dec. 31, 2013 Operating Lease REB Oil Lake Placid, FL		Dec. 31, 2013 Operating Lease Regal Theatre Bolingbrook, IL		Dec. 31, 2013 Operating Lease Reliable Life Insurance St. Louis, MO		Dec. 31, 2013 Operating Lease Rent-A-Center Cohoes, NY		Dec. 31, 2013 Operating Lease Rite Aid Douglasville, GA		Dec. 31, 2013 Operating Lease Rite Aid Conyers, GA		Dec. 31, 2013 Operating Lease Rite Aid Riverdale, GA		Dec. 31, 2013 Operating Lease Rite Aid Warner Robins, GA		Dec. 31, 2013 Operating Lease Rite Aid Mobile, AL		Dec. 31, 2013 Operating Lease Rite Aid Orange Beach, AL		Dec. 31, 2013 Operating Lease Rite Aid Norfolk, VA		Dec. 31, 2013 Operating Lease Rite Aid Thorndale, PA		Dec. 31, 2013 Operating Lease Rite Aid West Mifflin, PA		Dec. 31, 2013 Operating Lease Rite Aid Albany, NY		Dec. 31, 2013 Operating Lease Rite Aid Saratoga Springs, NY		Dec. 31, 2013 Operating Lease Rite Aid Monticello, NY		Dec. 31, 2013 Operating Lease Rite Care Pharmacy Dallas, TX	Dec. 31, 2013 Operating Lease Rite Rug Columbus, OH		Dec. 31, 2013 Operating Lease Road Ranger Springfield, IL 1		Dec. 31, 2013 Operating Lease Road Ranger Belvidere, IL 1		Dec. 31, 2013 Operating Lease Road Ranger Brazil, IN		Dec. 31, 2013 Operating Lease Road Ranger Cherry Valley, IL		Dec. 31, 2013 Operating Lease Road Ranger Cottage Grove, WI		Dec. 31, 2013 Operating Lease Road Ranger Decatur, IL		Dec. 31, 2013 Operating Lease Road Ranger Dekalb, IL 1		Dec. 31, 2013 Operating Lease Road Ranger Elk Run Heights, IA		Dec. 31, 2013 Operating Lease Road Ranger Lake Station, IN		Dec. 31, 2013 Operating Lease Road Ranger Mendota, IL		Dec. 31, 2013 Operating Lease Road Ranger Oakdale, WI		Dec. 31, 2013 Operating Lease Road Ranger Rockford, IL 1		Dec. 31, 2013 Operating Lease Road Ranger Rockford, IL 2		Dec. 31, 2013 Operating Lease Road Ranger Springfield, IL 2		Dec. 31, 2013 Operating Lease Road Ranger Champaign, IL		Dec. 31, 2013 Operating Lease Road Ranger DeKalb, IL 2		Dec. 31, 2013 Operating Lease Road Ranger Fenton, MO		Dec. 31, 2013 Operating Lease Road Ranger Hampshire, IL		Dec. 31, 2013 Operating Lease Road Ranger Princeton, IL		Dec. 31, 2013 Operating Lease Road Ranger South Beloit, IL 1		Dec. 31, 2013 Operating Lease Road Ranger Cedar Rapids, IA		Dec. 31, 2013 Operating Lease Road Ranger Marion, IA		Dec. 31, 2013 Operating Lease Road Ranger Okawville, IL		Dec. 31, 2013 Operating Lease Road Ranger Dubuque, IA		Dec. 31, 2013 Operating Lease Road Ranger Belvidere, IL 2		Dec. 31, 2013 Operating Lease Road Ranger South Beloit, IL 2		Dec. 31, 2013 Operating Lease Road Ranger Chicago, IL		Dec. 31, 2013 Operating Lease Robbins Diamonds Newark, DE		Dec. 31, 2013 Operating Lease Ross Dress for Less Coral Gables, FL		Dec. 31, 2013 Operating Lease Ross Dress for Less Lodi, CA		Dec. 31, 2013 Operating Lease Rue 21 Lapeer, MI		Dec. 31, 2013 Operating Lease Sally Beauty Supply Lapeer, MI		Dec. 31, 2013 Operating Lease Saltgrass Steakhouse Beaumont, TX		Dec. 31, 2013 Operating Lease Saltgrass Steakhouse San Antonio, TX		Dec. 31, 2013 Operating Lease Saltgrass Steakhouse Cypress, TX		Dec. 31, 2013 Operating Lease Saltgrass Steakhouse Midland, TX		Dec. 31, 2013 Operating Lease Saltgrass Steakhouse Port Arthur, TX		Dec. 31, 2013 Operating Lease Saltgrass Steakhouse McAllen, TX		Dec. 31, 2013 Operating Lease Savers Thrift Superstore Fairview Heights, IL		Dec. 31, 2013 Operating Lease Schlotzsky's Deli Phoenix, AZ		Dec. 31, 2013 Operating Lease Schlotzsky's Deli Scottsdale, AZ		Dec. 31, 2013 Operating Lease Season's 52 Schaumburg, IL		Dec. 31, 2013 Operating Lease Shek's Chinese Express Eden Prairie, MN		Dec. 31, 2013 Operating Lease Shell Glendale, AZ		Dec. 31, 2013 Operating Lease Shop-a-Snak Bessemer, AL		Dec. 31, 2013 Operating Lease Shop-a-Snak Chelsea, AL		Dec. 31, 2013 Operating Lease Shop-a-Snak Jasper, AL		Dec. 31, 2013 Operating Lease Shop-a-Snak Birmingham, AL 1		Dec. 31, 2013 Operating Lease Shop-a-Snak Birmingham, AL 2		Dec. 31, 2013 Operating Lease Shop-a-Snak Birmingham, AL 3		Dec. 31, 2013 Operating Lease Shop-a-Snak Birmingham, AL 4		Dec. 31, 2013 Operating Lease Shop-a-Snak Homewood, AL		Dec. 31, 2013 Operating Lease Shop-a-Snak Hoover, AL 1		Dec. 31, 2013 Operating Lease Shop-a-Snak Hoover, AL 2		Dec. 31, 2013 Operating Lease Shop-a-Snak Trussville, AL		Dec. 31, 2013 Operating Lease Shop-a-Snak Tuscaloosa, AL 1		Dec. 31, 2013 Operating Lease Shop-a-Snak Tuscaloosa, AL 2		Dec. 31, 2013 Operating Lease Shop-a-Snak Tuscaloosa, AL 3		Dec. 31, 2013 Operating Lease Silverleaf Resorts Buford, GA		Dec. 31, 2013 Operating Lease Sonic Automotive Charlotte, NC		Dec. 31, 2013 Operating Lease Sparkling Image Bakersfield, CA 1		Dec. 31, 2013 Operating Lease Sparkling Image Bakersfield, CA 2		Dec. 31, 2013 Operating Lease Sparkling Image Bakersfield, CA 3		Dec. 31, 2013 Operating Lease Sparkling Image Bakersfield, CA 4		Dec. 31, 2013 Operating Lease Sparkling Image Bakersfield, CA 5		Dec. 31, 2013 Operating Lease Sparkling Image Bakersfield, CA 6		Dec. 31, 2013 Operating Lease Sparkling Image San Fernando, CA		Dec. 31, 2013 Operating Lease Sparkling Image Ventura, CA 1		Dec. 31, 2013 Operating Lease Sparkling Image Ventura, CA 2		Dec. 31, 2013 Operating Lease Spec's Liquor and Fine Foods Corpus Christi, TX		Dec. 31, 2013 Operating Lease Spec's Liquor and Fine Foods Coffee City, TX		Dec. 31, 2013 Operating Lease Spencer's Air Conditioning & Appliance Glendale, AZ		Dec. 31, 2013 Operating Lease Spiegelhoff's Kenosha, WI		Dec. 31, 2013 Operating Lease Sports Authority Tampa, FL		Dec. 31, 2013 Operating Lease Sports Authority Sarasota, FL		Dec. 31, 2013 Operating Lease Sports Authority Memphis, TN		Dec. 31, 2013 Operating Lease Sports Authority Iselin, NJ		Dec. 31, 2013 Operating Lease Sterling Collision Lombard, IL		Dec. 31, 2013 Operating Lease Stone Mountain Chevrolet Lilburn, GA		Dec. 31, 2013 Operating Lease Stop N Go Grand Prairie, TX		Dec. 31, 2013 Operating Lease Stop N Go Kennedale, TX		Dec. 31, 2013 Operating Lease Stripes Laredo, TX		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 1		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 2		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 3		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 4		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 5		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 6		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 7		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 8		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 9		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 10		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 11		Dec. 31, 2013 Operating Lease Stripes Corpus Christi, TX 1		Dec. 31, 2013 Operating Lease Stripes Corpus Christi, TX 2		Dec. 31, 2013 Operating Lease Stripes Corpus Christi, TX 3		Dec. 31, 2013 Operating Lease Stripes Corpus Christi, TX 4		Dec. 31, 2013 Operating Lease Stripes Corpus Christi, TX 5		Dec. 31, 2013 Operating Lease Stripes Donna, TX		Dec. 31, 2013 Operating Lease Stripes Edinburg, TX 1		Dec. 31, 2013 Operating Lease Stripes Edinburg, TX 2		Dec. 31, 2013 Operating Lease Stripes Falfurias, TX		Dec. 31, 2013 Operating Lease Stripes Freer, TX		Dec. 31, 2013 Operating Lease Stripes George West, TX		Dec. 31, 2013 Operating Lease Stripes Harlingen, TX 1		Dec. 31, 2013 Operating Lease Stripes Harlingen, TX 2		Dec. 31, 2013 Operating Lease Stripes Harlingen, TX 3		Dec. 31, 2013 Operating Lease Stripes La Feria, TX		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 1		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 2		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 3		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 4		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 5		Dec. 31, 2013 Operating Lease Stripes Lawton, OK		Dec. 31, 2013 Operating Lease Stripes Los Indios, TX		Dec. 31, 2013 Operating Lease Stripes McAllen, TX 1		Dec. 31, 2013 Operating Lease Stripes McAllen, TX 2		Dec. 31, 2013 Operating Lease Stripes Mission, TX 1		Dec. 31, 2013 Operating Lease Stripes Mission, TX 2		Dec. 31, 2013 Operating Lease Stripes Olmito, TX		Dec. 31, 2013 Operating Lease Stripes Pharr, TX 1		Dec. 31, 2013 Operating Lease Stripes Pharr, TX 2		Dec. 31, 2013 Operating Lease Stripes Pharr, TX 3		Dec. 31, 2013 Operating Lease Stripes Port Isabel, TX 1		Dec. 31, 2013 Operating Lease Stripes Portland, TX		Dec. 31, 2013 Operating Lease Stripes Progreso, TX		Dec. 31, 2013 Operating Lease Stripes Riviera, TX		Dec. 31, 2013 Operating Lease Stripes San Benito, TX 1		Dec. 31, 2013 Operating Lease Stripes San Benito, TX 2		Dec. 31, 2013 Operating Lease Stripes San Juan, TX 1		Dec. 31, 2013 Operating Lease Stripes San Juan, TX 2		Dec. 31, 2013 Operating Lease Stripes South Padre Island, TX		Dec. 31, 2013 Operating Lease Stripes Wichita Falls, TX 1		Dec. 31, 2013 Operating Lease Stripes Wichita Falls, TX 2		Dec. 31, 2013 Operating Lease Stripes Wichita Falls, TX 3		Dec. 31, 2013 Operating Lease Stripes Palmview, TX		Dec. 31, 2013 Operating Lease Stripes Harlingen, TX 4		Dec. 31, 2013 Operating Lease Stripes Rio Grande City, TX		Dec. 31, 2013 Operating Lease Stripes San Juan, TX 3		Dec. 31, 2013 Operating Lease Stripes Zapata, TX		Dec. 31, 2013 Operating Lease Stripes Orange Grove, TX		Dec. 31, 2013 Operating Lease Stripes Harlingen, TX 5		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 6		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 7		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 8		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 9		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 10		Dec. 31, 2013 Operating Lease Stripes San Benito, TX 3		Dec. 31, 2013 Operating Lease Stripes Del Rio, TX		Dec. 31, 2013 Operating Lease Stripes Kerrville, TX		Dec. 31, 2013 Operating Lease Stripes Monahans, TX		Dec. 31, 2013 Operating Lease Stripes Odessa, TX		Dec. 31, 2013 Operating Lease Stripes San Angelo, TX		Dec. 31, 2013 Operating Lease Stripes Pharr, TX 4		Dec. 31, 2013 Operating Lease Stripes Harlingen, TX 6		Dec. 31, 2013 Operating Lease Stripes Harlingen, TX 7		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 11		Dec. 31, 2013 Operating Lease Stripes McAllen, TX 3		Dec. 31, 2013 Operating Lease Stripes Port Isabel, TX 2		Dec. 31, 2013 Operating Lease Stripes Brownsville, TX 12	Dec. 31, 2013 Operating Lease Stripes Edinburg, TX 3		Dec. 31, 2013 Operating Lease Stripes La Villa, TX		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 12		Dec. 31, 2013 Operating Lease Stripes Laredo, TX 13		Dec. 31, 2013 Operating Lease Stripes McAllen, TX 4		Dec. 31, 2013 Operating Lease Stripes Houston, TX		Dec. 31, 2013 Operating Lease Stripes Lubbock, TX		Dec. 31, 2013 Operating Lease Studio Nail and Spa Cohoes, NY		Dec. 31, 2013 Operating Lease Subway Eden Prairie, MN		Dec. 31, 2013 Operating Lease Subway Albany, NY		Dec. 31, 2013 Operating Lease Subway Cohoes, NY		Dec. 31, 2013 Operating Lease Sullivan's Steakhouse Lincolnshire, IL		Dec. 31, 2013 Operating Lease Sunbelt Rentals Dayton, OH		Dec. 31, 2013 Operating Lease Sunbelt Rentals Shepherdsville, KY
Real Estate and Accumulated Depreciation [Line Items]
Real Estate and Accumulated Depreciation, Encumbrances					$ 9,049		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 335		$ 0	$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0	[1]	$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0	$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0		$ 0
Real Estate and Accumulated Depreciation, Initial Cost to Company, Land					1,658,790		966		793		1,225		340		127		118		488		184		72		346		600		326		763		792		1,316		774		869		737		1,222		762		814		833		1,181		1,443		1,006		1,267		1,217		988		641		126		1,316		2,532		2,937		1,519		64		413		575		1,089		707		1,137		1,410		2,742		2,261		1,402		25		762		664		2,407	1,596		705		1,098		2,199		1,409		2,175		815		747		1,538		3,172		1,218		1,844		1,094		623		1,795		3,241		505		2,584		1,307		1,141	[1]	3,824		1,025		737		1,530		561		521		1,182		1,350		636		1,782		614		126		33		558		1,280		1,071		837		890		1,390		1,258		706		717		2,065		65		1,817		564		391		551		490		439		446		361		468		713		764		272		525		386		432		1,267		3,619		2,564		3,346		3,363		2,798		3,664		2,043		6,630		5,590		6,253		768		1,330		342		1,918		2,128		1,428		820		3,750		622		3,027		421		400		841		1,015		2,417		1,279		2,915		1,039		933		1,392		2,033		2,530		1,182		1,843		1,400		1,385		703		853		1,308		1,004		1,317		970		4,244		1,151		1,243		906		754		755		900		675		1,553		459		736		1,495		697		1,387		987		975		880		1,125		3,688		982		2,426		784		2,062		656		1,769		2,351		1,103		791		1,124		1,424		1,367		484		440		905		835		638		1,871		816		1,333		1,767		408		698		348		584		468		448		420		1,565		640		2,628		2,633		194		573		329		277		325		643		299		843	834		710		1,183		879		1,270		696		671		27		54		3		21		862		391		516
Real Estate and Accumulated Depreciation, Initial Cost to Company, Building, Improvements & Leasehold Interests					2,581,623		202		1,392		650		764		543		454		1,042		629		272		0		0		1,268		0		0		0		0		0		0		0		0		0		0		0		0		0		1,285		0		0		0		320		2,014		1,157		3,032		10,074		348		995		999		1,707		0		1,694		1,996		1,797		2,472		2,044		867		591		769		2,299	934		1,500		1,256		907		1,897		1,733		1,314		1,658		2,470		1,112		3,295		1,663		1,662		1,331		1,863		2,008		1,503		2,622		1,501		3,066	[1]	2,309		984		1,071		1,147		1,941		1,053		1,324		6,450		1,273		1,661		1,415		645		167		0		0		0		2,073		0		0		2,623		315		311		1,311		261		2,415		742		628		747		769		704		672		744		657		865		1,157		542		463		733		559		2,406		4,854		4,465		6,016		3,288		5,260		3,709		3,520		2,706		4,431		4,560		841		3,858		982		3,431		1,522		1,703		0		5,983		1,714		4,685		685		692		739		1,308		1,828		1,015		1,800		1,145		699		1,444		1,288		1,125		1,105		1,419		1,531		1,419		1,037		1,416		2,151		1,127		1,624		1,286		4,458		1,158		695		953		1,152		601		1,347		533		1,775		460		670		1,400		964		1,457		893		1,030		1,101		1,213		2,880		1,178		1,881		805		1,299		915		1,811		2,158		1,586		1,857		1,172		1,546		1,389		828		751		1,351		1,372		1,807		1,612		1,434		1,773		1,838		826		1,169		1,168		958		728		734		1,135		758		1,616		2,973		3,199		471		1,229		935		808		816		1,776		855		1,429	1,787		2,166		1,934		1,593		2,383		1,458		1,612		145		150		67		116		1,574		1,223		1,577
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements					409,899		0		0		0		0		0		0		0		0		0		0		1,075		0		1,309		1,144		1,349		1,255		1,343		1,163		1,376		1,153		1,398		1,265		1,676		1,255		1,508		0		0		0		0		0		0		491		0		0		242		0		0		0		1,227		0		0		0		0		0		0		30		0		320	13		0		1,257		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		1,629		0	[1]	0		0		0		1,034		0		0		0		0		29		19		0		0		0		1,317		853		1,886		0		0		0		246		0		0		0		0		126		0		0		0		0		0		0		0		0		0		0		0		0		0		0		25		0		2,178		0		0		22		11		40		47		94		207		601		0		0		0		0		0		2,598		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0	0		0		0		0		0		0		0		59		67		0		8		0		0		0
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Carrying Costs					0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0	0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0	[1]	0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0		0	0		0		0		0		0		0		0		0		0		0		0		0		0		0
Real Estate and Accumulated Depreciation, Gross Amount at Which Carried at Close of Period, Land					1,651,941	[2],[3]	966	[2],[3]	793	[2],[3]	1,225	[2],[3]	340	[2],[3]	127	[2],[3]	113	[2],[3]	488	[2],[3]	184	[2],[3]	72	[2],[3]	346	[2],[3]	600	[2],[3]	326	[2],[3]	763	[2],[3]	792	[2],[3]	1,316	[2],[3]	774	[2],[3]	869	[2],[3]	737	[2],[3]	1,226	[2],[3]	762	[2],[3]	814	[2],[3]	833	[2],[3]	1,181	[2],[3]	1,443	[2],[3]	1,006	[2],[3]	1,267	[2],[3]	1,217	[2],[3]	988	[2],[3]	641	[2],[3]	126	[2],[3]	1,316	[2],[3]	2,532	[2],[3]	2,937	[2],[3]	1,519	[2],[3]	64	[2],[3]	413	[2],[3]	575	[2],[3]	1,089	[2],[3]	707	[2],[3]	1,137	[2],[3]	1,410	[2],[3]	2,742	[2],[3]	2,261	[2],[3]	1,402	[2],[3]	25	[2],[3]	762	[2],[3]	664	[2],[3]	2,407	1,605	[2],[3]	705	[2],[3]	1,098	[2],[3]	2,199	[2],[3]	1,409	[2],[3]	2,175	[2],[3]	815	[2],[3]	747	[2],[3]	1,538	[2],[3]	3,172	[2],[3]	1,218	[2],[3]	1,844	[2],[3]	1,094	[2],[3]	623	[2],[3]	2,211	[2],[3]	3,241	[2],[3]	505	[2],[3]	2,584	[2],[3]	1,307	[2],[3]	1,141	[1],[2],[3]	3,824	[2],[3]	1,025	[2],[3]	737	[2],[3]	1,536	[2],[3]	561	[2],[3]	521	[2],[3]	1,182	[2],[3]	1,350	[2],[3]	629	[2],[3]	1,782	[2],[3]	614	[2],[3]	126	[2],[3]	33	[2],[3]	383	[2],[3]	1,280	[2],[3]	1,071	[2],[3]	837	[2],[3]	890	[2],[3]	1,390	[2],[3]	1,258	[2],[3]	706	[2],[3]	717	[2],[3]	2,065	[2],[3]	65	[2],[3]	1,817	[2],[3]	564	[2],[3]	391	[2],[3]	551	[2],[3]	490	[2],[3]	439	[2],[3]	446	[2],[3]	361	[2],[3]	468	[2],[3]	713	[2],[3]	663	[2],[3]	272	[2],[3]	525	[2],[3]	386	[2],[3]	432	[2],[3]	1,267	[2],[3]	3,619	[2],[3]	2,564	[2],[3]	3,346	[2],[3]	3,363	[2],[3]	1,781	[2],[3]	3,664	[2],[3]	2,043	[2],[3]	6,630	[2],[3]	5,590	[2],[3]	6,253	[2],[3]	768	[2],[3]	1,330	[2],[3]	342	[2],[3]	1,918	[2],[3]	2,128	[2],[3]	1,428	[2],[3]	820	[2],[3]	3,750	[2],[3]	622	[2],[3]	3,027	[2],[3]	421	[2],[3]	391	[2],[3]	841	[2],[3]	1,015	[2],[3]	2,417	[2],[3]	1,279	[2],[3]	2,915	[2],[3]	1,039	[2],[3]	933	[2],[3]	1,392	[2],[3]	2,033	[2],[3]	2,530	[2],[3]	1,182	[2],[3]	1,843	[2],[3]	1,400	[2],[3]	1,385	[2],[3]	703	[2],[3]	853	[2],[3]	1,308	[2],[3]	1,004	[2],[3]	1,317	[2],[3]	970	[2],[3]	4,213	[2],[3]	1,151	[2],[3]	1,243	[2],[3]	906	[2],[3]	754	[2],[3]	755	[2],[3]	900	[2],[3]	675	[2],[3]	1,553	[2],[3]	459	[2],[3]	736	[2],[3]	1,495	[2],[3]	697	[2],[3]	1,387	[2],[3]	987	[2],[3]	975	[2],[3]	880	[2],[3]	1,125	[2],[3]	3,688	[2],[3]	982	[2],[3]	2,426	[2],[3]	784	[2],[3]	2,062	[2],[3]	656	[2],[3]	1,769	[2],[3]	2,351	[2],[3]	1,103	[2],[3]	791	[2],[3]	1,124	[2],[3]	1,424	[2],[3]	1,367	[2],[3]	484	[2],[3]	440	[2],[3]	905	[2],[3]	835	[2],[3]	638	[2],[3]	1,871	[2],[3]	816	[2],[3]	1,333	[2],[3]	1,767	[2],[3]	408	[2],[3]	698	[2],[3]	348	[2],[3]	584	[2],[3]	468	[2],[3]	448	[2],[3]	420	[2],[3]	1,565	[2],[3]	640	[2],[3]	2,628	[2],[3]	2,633	[2],[3]	194	[2],[3]	573	[2],[3]	329	[2],[3]	277	[2],[3]	325	[2],[3]	643	[2],[3]	299	[2],[3]	843	834	[2],[3]	710	[2],[3]	1,183	[2],[3]	879	[2],[3]	1,270	[2],[3]	696	[2],[3]	671	[2],[3]	27	[2],[3]	54	[2],[3]	3	[2],[3]	21	[2],[3]	862	[2],[3]	391	[2],[3]	516	[2],[3]
Real Estate and Accumulated Depreciation, Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests					2,957,218	[2],[3]	202	[2],[3]	1,392	[2],[3]	650	[2],[3]	764	[2],[3]	543	[2],[3]	454	[2],[3]	1,042	[2],[3]	629	[2],[3]	272	[2],[3]			1,075	[2],[3]	1,268	[2],[3]	1,309	[2],[3]	1,144	[2],[3]	1,349	[2],[3]	1,255	[2],[3]	1,343	[2],[3]	1,163	[2],[3]	1,376	[2],[3]	1,153	[2],[3]	1,398	[2],[3]	1,265	[2],[3]	1,676	[2],[3]	1,255	[2],[3]	1,508	[2],[3]	1,285	[2],[3]							320	[2],[3]	2,014	[2],[3]	1,648	[2],[3]	3,032	[2],[3]	10,074	[2],[3]	590	[2],[3]	995	[2],[3]	999	[2],[3]	1,707	[2],[3]	1,227	[2],[3]	1,694	[2],[3]	1,996	[2],[3]	1,797	[2],[3]	2,472	[2],[3]	2,044	[2],[3]	867	[2],[3]	621	[2],[3]	769	[2],[3]	2,618	939	[2],[3]	1,500	[2],[3]	2,513	[2],[3]	907	[2],[3]	1,897	[2],[3]	1,733	[2],[3]	1,314	[2],[3]	1,658	[2],[3]	2,470	[2],[3]	1,112	[2],[3]	3,295	[2],[3]	1,663	[2],[3]	1,662	[2],[3]	1,331	[2],[3]	1,863	[2],[3]	2,008	[2],[3]	1,503	[2],[3]	2,622	[2],[3]	3,130	[2],[3]	3,066	[1],[2],[3]	2,309	[2],[3]	984	[2],[3]	1,071	[2],[3]	2,181	[2],[3]	1,941	[2],[3]	1,053	[2],[3]	1,324	[2],[3]	6,450	[2],[3]	1,302	[2],[3]	1,680	[2],[3]	1,415	[2],[3]	629	[2],[3]	163	[2],[3]	1,317	[2],[3]	853	[2],[3]	1,886	[2],[3]	2,073	[2],[3]					2,869	[2],[3]	315	[2],[3]	311	[2],[3]	1,311	[2],[3]	261	[2],[3]	2,541	[2],[3]	742	[2],[3]	628	[2],[3]	747	[2],[3]	769	[2],[3]	704	[2],[3]	672	[2],[3]	744	[2],[3]	657	[2],[3]	865	[2],[3]	1,157	[2],[3]	542	[2],[3]	463	[2],[3]	733	[2],[3]	559	[2],[3]	2,430	[2],[3]	4,854	[2],[3]	6,643	[2],[3]	6,016	[2],[3]	3,288	[2],[3]	284	[2],[3]	3,721	[2],[3]	719	[2],[3]	2,753	[2],[3]	4,526	[2],[3]	4,767	[2],[3]	1,442	[2],[3]	3,858	[2],[3]	982	[2],[3]	3,431	[2],[3]	1,522	[2],[3]	1,703	[2],[3]	2,598	[2],[3]	5,983	[2],[3]	1,714	[2],[3]	4,685	[2],[3]	685	[2],[3]	692	[2],[3]	739	[2],[3]	1,308	[2],[3]	1,828	[2],[3]	1,015	[2],[3]	1,800	[2],[3]	1,145	[2],[3]	699	[2],[3]	1,444	[2],[3]	1,288	[2],[3]	1,125	[2],[3]	1,105	[2],[3]	1,419	[2],[3]	1,531	[2],[3]	1,419	[2],[3]	1,037	[2],[3]	1,416	[2],[3]	2,151	[2],[3]	1,127	[2],[3]	1,624	[2],[3]	1,286	[2],[3]	4,458	[2],[3]	1,158	[2],[3]	695	[2],[3]	953	[2],[3]	1,152	[2],[3]	601	[2],[3]	1,347	[2],[3]	533	[2],[3]	1,775	[2],[3]	460	[2],[3]	670	[2],[3]	1,400	[2],[3]	964	[2],[3]	1,457	[2],[3]	893	[2],[3]	1,030	[2],[3]	1,101	[2],[3]	1,213	[2],[3]	2,880	[2],[3]	1,178	[2],[3]	1,881	[2],[3]	805	[2],[3]	1,299	[2],[3]	915	[2],[3]	1,811	[2],[3]	2,158	[2],[3]	1,586	[2],[3]	1,857	[2],[3]	1,172	[2],[3]	1,546	[2],[3]	1,389	[2],[3]	828	[2],[3]	751	[2],[3]	1,351	[2],[3]	1,372	[2],[3]	1,807	[2],[3]	1,612	[2],[3]	1,434	[2],[3]	1,773	[2],[3]	1,838	[2],[3]	826	[2],[3]	1,169	[2],[3]	1,168	[2],[3]	958	[2],[3]	728	[2],[3]	734	[2],[3]	1,135	[2],[3]	758	[2],[3]	1,616	[2],[3]	2,973	[2],[3]	3,199	[2],[3]	471	[2],[3]	1,229	[2],[3]	935	[2],[3]	808	[2],[3]	816	[2],[3]	1,776	[2],[3]	855	[2],[3]	1,429	1,787	[2],[3]	2,166	[2],[3]	1,934	[2],[3]	1,593	[2],[3]	2,383	[2],[3]	1,458	[2],[3]	1,612	[2],[3]	204	[2],[3]	218	[2],[3]	67	[2],[3]	123	[2],[3]	1,574	[2],[3]	1,223	[2],[3]	1,577	[2],[3]
Real Estate and Accumulated Depreciation, Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests	4,686,844	4,145,368	3,531,845	2,774,947	4,609,159	[2],[3]	1,168	[2],[3]	2,185	[2],[3]	1,875	[2],[3]	1,104	[2],[3]	670	[2],[3]	567	[2],[3]	1,530	[2],[3]	813	[2],[3]	344	[2],[3]	346	[2],[3]	1,675	[2],[3]	1,594	[2],[3]	2,072	[2],[3]	1,936	[2],[3]	2,665	[2],[3]	2,029	[2],[3]	2,212	[2],[3]	1,900	[2],[3]	2,602	[2],[3]	1,915	[2],[3]	2,212	[2],[3]	2,098	[2],[3]	2,857	[2],[3]	2,698	[2],[3]	2,514	[2],[3]	2,552	[2],[3]	1,217	[2],[3]	988	[2],[3]	641	[2],[3]	446	[2],[3]	3,330	[2],[3]	4,180	[2],[3]	5,969	[2],[3]	11,593	[2],[3]	654	[2],[3]	1,408	[2],[3]	1,574	[2],[3]	2,796	[2],[3]	1,934	[2],[3]	2,831	[2],[3]	3,406	[2],[3]	4,539	[2],[3]	4,733	[2],[3]	3,446	[2],[3]	892	[2],[3]	1,383	[2],[3]	1,433	[2],[3]	5,025	2,544	[2],[3]	2,205	[2],[3]	3,611	[2],[3]	3,106	[2],[3]	3,306	[2],[3]	3,908	[2],[3]	2,129	[2],[3]	2,405	[2],[3]	4,008	[2],[3]	4,284	[2],[3]	4,513	[2],[3]	3,507	[2],[3]	2,756	[2],[3]	1,954	[2],[3]	4,074	[2],[3]	5,249	[2],[3]	2,008	[2],[3]	5,206	[2],[3]	4,437	[2],[3]	4,207	[1],[2],[3]	6,133	[2],[3]	2,009	[2],[3]	1,808	[2],[3]	3,717	[2],[3]	2,502	[2],[3]	1,574	[2],[3]	2,506	[2],[3]	7,800	[2],[3]	1,931	[2],[3]	3,462	[2],[3]	2,029	[2],[3]	755	[2],[3]	196	[2],[3]	1,700	[2],[3]	2,133	[2],[3]	2,957	[2],[3]	2,910	[2],[3]	890	[2],[3]	1,390	[2],[3]	4,127	[2],[3]	1,021	[2],[3]	1,028	[2],[3]	3,376	[2],[3]	326	[2],[3]	4,358	[2],[3]	1,306	[2],[3]	1,019	[2],[3]	1,298	[2],[3]	1,259	[2],[3]	1,143	[2],[3]	1,118	[2],[3]	1,105	[2],[3]	1,125	[2],[3]	1,578	[2],[3]	1,820	[2],[3]	814	[2],[3]	988	[2],[3]	1,119	[2],[3]	991	[2],[3]	3,697	[2],[3]	8,473	[2],[3]	9,207	[2],[3]	9,362	[2],[3]	6,651	[2],[3]	2,065	[2],[3]	7,385	[2],[3]	2,762	[2],[3]	9,383	[2],[3]	10,116	[2],[3]	11,020	[2],[3]	2,210	[2],[3]	5,188	[2],[3]	1,324	[2],[3]	5,349	[2],[3]	3,650	[2],[3]	3,131	[2],[3]	3,418	[2],[3]	9,733	[2],[3]	2,336	[2],[3]	7,712	[2],[3]	1,106	[2],[3]	1,083	[2],[3]	1,580	[2],[3]	2,323	[2],[3]	4,245	[2],[3]	2,294	[2],[3]	4,715	[2],[3]	2,184	[2],[3]	1,632	[2],[3]	2,836	[2],[3]	3,321	[2],[3]	3,655	[2],[3]	2,287	[2],[3]	3,262	[2],[3]	2,931	[2],[3]	2,804	[2],[3]	1,740	[2],[3]	2,269	[2],[3]	3,459	[2],[3]	2,131	[2],[3]	2,941	[2],[3]	2,256	[2],[3]	8,671	[2],[3]	2,309	[2],[3]	1,938	[2],[3]	1,859	[2],[3]	1,906	[2],[3]	1,356	[2],[3]	2,247	[2],[3]	1,208	[2],[3]	3,328	[2],[3]	919	[2],[3]	1,406	[2],[3]	2,895	[2],[3]	1,661	[2],[3]	2,844	[2],[3]	1,880	[2],[3]	2,005	[2],[3]	1,981	[2],[3]	2,338	[2],[3]	6,568	[2],[3]	2,160	[2],[3]	4,307	[2],[3]	1,589	[2],[3]	3,361	[2],[3]	1,571	[2],[3]	3,580	[2],[3]	4,509	[2],[3]	2,689	[2],[3]	2,648	[2],[3]	2,296	[2],[3]	2,970	[2],[3]	2,756	[2],[3]	1,312	[2],[3]	1,191	[2],[3]	2,256	[2],[3]	2,207	[2],[3]	2,445	[2],[3]	3,483	[2],[3]	2,250	[2],[3]	3,106	[2],[3]	3,605	[2],[3]	1,234	[2],[3]	1,867	[2],[3]	1,516	[2],[3]	1,542	[2],[3]	1,196	[2],[3]	1,182	[2],[3]	1,555	[2],[3]	2,323	[2],[3]	2,256	[2],[3]	5,601	[2],[3]	5,832	[2],[3]	665	[2],[3]	1,802	[2],[3]	1,264	[2],[3]	1,085	[2],[3]	1,141	[2],[3]	2,419	[2],[3]	1,154	[2],[3]	2,272	2,621	[2],[3]	2,876	[2],[3]	3,117	[2],[3]	2,472	[2],[3]	3,653	[2],[3]	2,154	[2],[3]	2,283	[2],[3]	231	[2],[3]	272	[2],[3]	70	[2],[3]	144	[2],[3]	2,436	[2],[3]	1,614	[2],[3]	2,093	[2],[3]
Real Estate and Accumulated Depreciation, Accumulated Depreciation and Amortization	$ 418,136	$ 333,778	$ 270,621	$ 222,921	$ 416,477		$ 58		$ 297		$ 185		$ 163		$ 155		$ 129		$ 222		$ 269		$ 232				$ 30		$ 98		$ 72		$ 63		$ 74		$ 67		$ 60		$ 55		$ 70		$ 49		$ 51		$ 38		$ 40		$ 22		$ 27		$ 12								$ 177		$ 209		$ 347		$ 636		$ 2,383		$ 90		$ 446		$ 413		$ 685		$ 459		$ 510		$ 601		$ 533		$ 734		$ 607		$ 201		$ 140		$ 169		$ 486	$ 214		$ 283		$ 303		$ 171		$ 358		$ 327		$ 248		$ 313		$ 466		$ 210		$ 372		$ 314		$ 313		$ 251		$ 382		$ 345		$ 258		$ 451		$ 509		$ 527	[1]	$ 397		$ 167		$ 182		$ 216		$ 305		$ 161		$ 203		$ 376		$ 608		$ 689		$ 361		$ 101		$ 26		$ 137		$ 45		$ 69		$ 32						$ 541		$ 95		$ 94		$ 395		$ 76		$ 405		$ 142		$ 120		$ 142		$ 147		$ 134		$ 128		$ 142		$ 125		$ 165		$ 220		$ 103		$ 88		$ 140		$ 107		$ 571		$ 804		$ 1,102		$ 992		$ 476		$ 265		$ 615		$ 268		$ 533		$ 651		$ 777		$ 531		$ 856		$ 355		$ 1,443		$ 666		$ 422		$ 981		$ 1,639		$ 71		$ 1,098		$ 206		$ 208		$ 149		$ 263		$ 368		$ 204		$ 362		$ 230		$ 141		$ 290		$ 259		$ 226		$ 222		$ 285		$ 308		$ 285		$ 208		$ 285		$ 432		$ 226		$ 326		$ 259		$ 896		$ 233		$ 140		$ 191		$ 232		$ 121		$ 271		$ 107		$ 357		$ 92		$ 135		$ 282		$ 194		$ 293		$ 180		$ 207		$ 221		$ 244		$ 579		$ 237		$ 378		$ 162		$ 261		$ 184		$ 364		$ 434		$ 319		$ 373		$ 236		$ 311		$ 279		$ 166		$ 151		$ 272		$ 247		$ 318		$ 284		$ 252		$ 312		$ 308		$ 169		$ 239		$ 238		$ 196		$ 149		$ 150		$ 232		$ 116		$ 247		$ 455		$ 490		$ 72		$ 186		$ 186		$ 160		$ 162		$ 353		$ 170		$ 201	$ 251		$ 305		$ 272		$ 224		$ 447		$ 184		$ 203		$ 38		$ 64		$ 15		$ 30		$ 123		$ 60		$ 77
Real Estate and Accumulated Depreciation, Life on Which Depreciation & Amortization in Latest Income Statement is Computed							30 years		40 years		30 years		40 years		30 years		30 years		40 years		20 years		10 years		30 years		40 years		35 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years								39 years		35 years		40 years		30 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years	40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years	[1]	40 years		40 years		40 years		40 years		40 years		40 years		40 years		25 years		40 years		38 years		40 years		40 years		40 years		30 years		40 years		40 years		35 years						40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		30 years		35 years		40 years		35 years		35 years		30 years		30 years		40 years		35 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		25 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		40 years		30 years		30 years		30 years		30 years		30 years		30 years		30 years		40 years		40 years		40 years		40 years		40 years		40 years		30 years		30 years		30 years		30 years		30 years		40 years	40 years		40 years		40 years		40 years		30 years		40 years		40 years		40 years		40 years		40 years		40 years		25 years		35 years		35 years

[1] The tenant of this property has subleased the property. The tenant continues to be responsible for complying with all the terms of the lease agreement and is continuing to pay rent on this property to NNN.

[2] As of December 31, 2013, the leases are treated as either operating or financing leases for federal income tax purposes. As of December 31, 2013, the aggregate cost of the properties owned by NNN that are under operating leases were $4,565,187 and financing leases were $2,703.

[3] Transactions in real estate and accumulated depreciation during 2013, 2012, and 2011 are summarized as follows: 2013 2012 2011Land, buildings, and leasehold interests: Balance at the beginning of year$4,145,368 $3,531,845 $2,774,947Acquisitions, completed construction and tenant improvements602,836 701,054 772,073Disposition of land, buildings, and leasehold interests(57,254) (77,219) (14,744)Provision for loss on impairment of real estate(4,106) (10,312) (431)Balance at the close of year$4,686,844 $4,145,368 $3,531,845Accumulated depreciation and amortization: Balance at the beginning of year$333,778 $270,621 $222,921Disposition of land, buildings, and leasehold interests(6,778) (6,980) (3,010)Depreciation and amortization expense91,136 70,137 50,710Balance at the close of year$418,136 $333,778 $270,621