The Company and Financial Statement Presentation - Additional Information (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) Property state $ / shares	Jun. 30, 2015 USD ($) $ / shares	Dec. 31, 2015 USD ($) $ / shares
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of properties | Property	210
Number of states in which entity has interests | state	40
Variable Interest Entity [Line Items]
Construction in progress | $	$ 108,763		$ 95,402
Common shares, par value (in dollars per share) | $ / shares	$ 0.0001		$ 0.0001
Partners capital equivalent in common shares	1.13
LCIF [Member]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of properties | Property	39
Number of states in which entity has interests | state	24
Variable Interest Entity [Line Items]
Construction in progress | $	$ 24,166		$ 9,223
Distributions | $	$ 32,986	$ 29,356
Distribution per weighted average unit (in dollars per share) | $ / shares	$ 0.40	$ 0.42
Common shares, par value (in dollars per share) | $ / shares	$ 0.0001
Percentage of outstanding units owned	96.00%
Partners capital equivalent in common shares	1.13
Distribution per unit of general partner and limited partner interest (in dollars per share) | $ / shares	$ 3.25
LCIF [Member] | Limited Partner [Member]
Variable Interest Entity [Line Items]
Share price (in dollars per share) | $ / shares	$ 10.11
Equity, fair value disclosure, portion of limited partner | $	$ 38,578
Variable Interest Entity, Primary Beneficiary [Member] | LCIF [Member]
Variable Interest Entity [Line Items]
VIE, ownership percentage	96.00%
Lake Jackson, Texas [Member] | Office Building [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Affiliated Entity [Member]
Variable Interest Entity [Line Items]
VIE, ownership percentage	100.00%
Construction in progress | $	$ 83,887		$ 62,353