Investment in Real Estate - Schedule of Gross Investment in Real Estate (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2013 Successor [Member]	Dec. 31, 2013 Successor [Member] West Seventh St., Cincinnati, OH (7th Street) [Member]	Dec. 31, 2013 Successor [Member] Parkway Dr., Mason, OH (Mason) [Member]	Dec. 31, 2013 Successor [Member] Industrial Rd., Florence, KY (Florence) [Member]	Dec. 31, 2013 Successor [Member] Goldcoast Dr., Cincinnati, OH (Goldcoast) [Member]	Dec. 31, 2013 Successor [Member] Knightsbridge Dr., Hamilton, OH (Hamilton) [Member]	Dec. 31, 2013 Successor [Member] E. Monroe St., South Bend, IN (Monroe St.) [Member]	Dec. 31, 2013 Successor [Member] Springer St., Lombard, IL (Lombard) [Member]	Dec. 31, 2013 Successor [Member] Crescent Circle, South Bend, IN (Blackthorn) [Member]	Dec. 31, 2013 Successor [Member] Kingsview Dr., Lebanon, OH (Lebanon) [Member]	Dec. 31, 2013 Successor [Member] McAuley Place, Blue Ash, OH (Blue Ash) [Member]	Dec. 31, 2013 Successor [Member] Westway Park Blvd., Houston, TX (Houston West 1) [Member]	Dec. 31, 2013 Successor [Member] Westway Park Blvd., Houston, TX (Houston West 2) [Member]	Dec. 31, 2013 Successor [Member] N. Sam Houston Pkwy., Houston, TX (Houston West 3) [Member]	Dec. 31, 2013 Successor [Member] Southwest Fwy., Houston, TX (Galleria) [Member]	Dec. 31, 2013 Successor [Member] E. Ben White Blvd., Austin, TX (Austin 1) [Member]	Dec. 31, 2013 Successor [Member] S. State Highway 121 Business, Lewisville, TX (Lewisville) [Member]	Dec. 31, 2013 Successor [Member] Marsh Lane, Carrollton, TX (Marsh Ln) [Member]	Dec. 31, 2013 Successor [Member] Midway Rd., Carrollton, TX (Midway) [Member]	Dec. 31, 2013 Successor [Member] W. Frankford Rd., Carrollton, TX (Carrollton) [Member]	Dec. 31, 2013 Successor [Member] Bryan St., Dallas, TX (Bryan St) [Member]	Dec. 31, 2013 Successor [Member] North Freeway, Houston, TX (Greenspoint) [Member]	Dec. 31, 2013 Successor [Member] South Ellis Street, Chandler, AZ (Phoenix) [Member]	Dec. 31, 2013 Successor [Member] Westover Hills Blvd., San Antonio, TX (San Antonio 1) [Member]	Dec. 31, 2013 Successor [Member] Westover Hills Blvd., San Antonio, TX (San Antonio 2) [Member]	Dec. 31, 2013 Successor [Member] Metropolis Dr., Austin, TX (Austin 2) [Member]	Dec. 31, 2013 Successor [Member] Kestral Way (London) [Member]	Dec. 31, 2013 Successor [Member] Jurong East (Singapore) [Member]	Dec. 31, 2013 Successor [Member] Ridgetop Circle, Sterling, VA (Northern VA) [Member]	Dec. 31, 2013 Successor [Member] Metropolis Dr., Austin, TX (Austin 3) [Member]	Dec. 31, 2012 Predecessor [Member]	Dec. 31, 2012 Predecessor [Member] West Seventh St., Cincinnati, OH (7th Street) [Member]	Dec. 31, 2012 Predecessor [Member] Parkway Dr., Mason, OH (Mason) [Member]	Dec. 31, 2012 Predecessor [Member] Industrial Rd., Florence, KY (Florence) [Member]	Dec. 31, 2012 Predecessor [Member] Goldcoast Dr., Cincinnati, OH (Goldcoast) [Member]	Dec. 31, 2012 Predecessor [Member] Knightsbridge Dr., Hamilton, OH (Hamilton) [Member]	Dec. 31, 2012 Predecessor [Member] E. Monroe St., South Bend, IN (Monroe St.) [Member]	Dec. 31, 2012 Predecessor [Member] Springer St., Lombard, IL (Lombard) [Member]	Dec. 31, 2012 Predecessor [Member] Crescent Circle, South Bend, IN (Blackthorn) [Member]	Dec. 31, 2012 Predecessor [Member] Kingsview Dr., Lebanon, OH (Lebanon) [Member]	Dec. 31, 2012 Predecessor [Member] McAuley Place, Blue Ash, OH (Blue Ash) [Member]	Dec. 31, 2012 Predecessor [Member] Westway Park Blvd., Houston, TX (Houston West 1) [Member]	Dec. 31, 2012 Predecessor [Member] Westway Park Blvd., Houston, TX (Houston West 2) [Member]	Dec. 31, 2012 Predecessor [Member] N. Sam Houston Pkwy., Houston, TX (Houston West 3) [Member]	Dec. 31, 2012 Predecessor [Member] Southwest Fwy., Houston, TX (Galleria) [Member]	Dec. 31, 2012 Predecessor [Member] E. Ben White Blvd., Austin, TX (Austin 1) [Member]	Dec. 31, 2012 Predecessor [Member] S. State Highway 121 Business, Lewisville, TX (Lewisville) [Member]	Dec. 31, 2012 Predecessor [Member] Marsh Lane, Carrollton, TX (Marsh Ln) [Member]	Dec. 31, 2012 Predecessor [Member] Midway Rd., Carrollton, TX (Midway) [Member]	Dec. 31, 2012 Predecessor [Member] W. Frankford Rd., Carrollton, TX (Carrollton) [Member]	Dec. 31, 2012 Predecessor [Member] Bryan St., Dallas, TX (Bryan St) [Member]	Dec. 31, 2012 Predecessor [Member] North Freeway, Houston, TX (Greenspoint) [Member]	Dec. 31, 2012 Predecessor [Member] South Ellis Street, Chandler, AZ (Phoenix) [Member]	Dec. 31, 2012 Predecessor [Member] Westover Hills Blvd., San Antonio, TX (San Antonio 1) [Member]	Dec. 31, 2012 Predecessor [Member] Westover Hills Blvd., San Antonio, TX (San Antonio 2) [Member]	Dec. 31, 2012 Predecessor [Member] Metropolis Dr., Austin, TX (Austin 2) [Member]	Dec. 31, 2012 Predecessor [Member] Kestral Way (London) [Member]	Dec. 31, 2012 Predecessor [Member] Jurong East (Singapore) [Member]	Dec. 31, 2012 Predecessor [Member] Ridgetop Circle, Sterling, VA (Northern VA) [Member]	Dec. 31, 2012 Predecessor [Member] Metropolis Dr., Austin, TX (Austin 3) [Member]
Real Estate Properties [Line Items]
Land	$ 89.3	$ 89.3	$ 0.9	$ 0	$ 2.2	$ 0.6	$ 0	$ 0	$ 0.7	$ 0	$ 4.0	$ 0	$ 1.4	$ 2.0	$ 18.3	$ 0	$ 0	$ 0	$ 0	$ 0	$ 16.1	$ 0	$ 0	$ 15.0	$ 4.6	$ 6.7	$ 2.0	$ 0	$ 0	$ 6.9	$ 7.9	$ 44.5	$ 0.9	$ 0	$ 0	$ 0.6	$ 0	$ 0	$ 0	$ 0	$ 4.0	$ 0	$ 3.3	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 16.1	$ 0	$ 0	$ 15.0	$ 4.6	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Building and Improvements	783.7	783.7	107.6	20.2	41.4	6.7	49.2	2.5	4.6	3.3	71.7	0.6	84.4	22.4	0	68.4	22.5	77.0	0.1	2.0	42.6	0.1	1.3	55.7	32.1	0	23.1	34.8	9.4	0	0	722.5	108.7	20.2	46.8	6.7	49.9	3.2	2.6	3.3	71.0	0.6	87.8	0	0	66.0	22.6	76.0	0.1	2.0	34.6	0.1	1.3	38.7	30.8	0	22.7	17.1	9.7	0	0
Equipment	$ 190.2	$ 190.2	$ 11.0	$ 0.6	$ 2.4	$ 0.1	$ 3.6	$ 0	$ 0.2	$ 0.2	$ 2.2	$ 0	$ 39.4	$ 15.8	$ 0	$ 13.3	$ 1.2	$ 20.3	$ 0.5	$ 0.4	$ 34.8	$ 0.1	$ 0.4	$ 11.7	$ 29.5	$ 0	$ 1.7	$ 0.7	$ 0.1	$ 0	$ 0	$ 52.4	$ 0.8	$ 0.4	$ 0.5	$ 0	$ 2.1	$ 0	$ 0	$ 0.1	$ 1.1	$ 0	$ 12.0	$ 0	$ 0	$ 6.6	$ 0.8	$ 9.6	$ 0.2	$ 0.3	$ 5.0	$ 0	$ 0.4	$ 6.8	$ 4.7	$ 0	$ 0.6	$ 0.3	$ 0.1	$ 0	$ 0