Benefit Plans	9 Months Ended
Sep. 30, 2016
Share-based Compensation [Abstract]
Benefit Plans	Benefit Plans Restricted Stock or Restricted Unit Awards For the nine months ended September 30, 2016, the Company awarded 308,373 shares of restricted stock awards to certain employees, which had a fair value of $6,047 on the date such awards were approved by the Compensation Committee of the Board of Directors. These restricted stock awards were granted based upon the achievement of certain corporate performance goals and generally vest over a period of three years. Additionally, during the nine months ended September 30, 2016, the Company awarded 14,460 shares of restricted stock to non-employee members of the Board of Directors, which had a fair value of $350 on the date of approval. These restricted stock awards vest over a one-year period. The Operating Partnership issued restricted Unit awards to the Company in the same amount for both restricted stock awards. Compensation expense is charged to earnings over the vesting periods for the restricted stock or restricted Unit awards expected to vest except if the recipient is not required to provide future service in exchange for vesting of such restricted stock or restricted Unit awards. If vesting of a recipient's restricted stock or restricted Unit awards is not contingent upon future service, the expense is recognized immediately at the date of grant. During the nine months ended September 30, 2016 and 2015, we recognized $1,590 and $1,250, respectively, of compensation expense related to restricted stock or restricted Unit awards granted to our Chief Executive Officer for which future service was not required. LTIP Unit Awards For the nine months ended September 30, 2016, the Company granted to certain employees 254,524 Long-Term Incentive Program ("LTIP") performance units ("LTIP Unit Awards"), which had a fair value of $2,561 on the grant date as determined by a lattice-binomial option-pricing model based on a Monte Carlo simulation. The LTIP Unit Awards vest based upon the relative total shareholder return ("TSR") of the Company's common stock compared to the TSRs of the MSCI US REIT Index and the NAREIT Industrial Index. The TSR for the LTIP Unit Awards is calculated based on the performance period from January 1, 2016 through December 31, 2018. Compensation expense is charged to earnings on a straight-line basis over the performance period. At the end of the performance period each participant will be issued shares of the Company's common stock equal to the maximum shares issuable to the participant for the performance period multiplied by a percentage, ranging from 0% to 100%, based on the Company's TSR as compared to the TSRs of the MSCI US REIT Index and the NAREIT Industrial Index. The participant is also entitled to dividend equivalents for shares issued pursuant to vested LTIP Unit Awards. The dividend equivalents represent any common dividends that would have been paid with respect to such issued shares after the grant of the LTIP Unit Awards and prior to the date of settlement. The Operating Partnership issues General Partner Units to the Company in the same amounts for vested LTIP Unit Awards. Outstanding Restricted Stock or Restricted Unit Awards and LTIP Unit Awards We recognized $1,428 and $1,507 for the three months ended September 30, 2016 and 2015, and $5,898 and $5,574 for the nine months ended September 30, 2016 and 2015, respectively, in amortization related to restricted stock or restricted Unit awards and LTIP Unit Awards. Restricted stock or restricted Unit award and LTIP Unit Award amortization capitalized in connection with development activities was not significant. At September 30, 2016, we had $8,231 in unrecognized compensation related to unvested restricted stock or restricted Unit awards and LTIP Unit Awards. The weighted average period that the unrecognized compensation is expected to be recognized is 0.96 years.

Benefit Plans

Restricted Stock or Restricted Unit Awards

For the nine months ended September 30, 2016, the Company awarded 308,373 shares of restricted stock awards to certain employees, which had a fair value of $6,047 on the date such awards were approved by the Compensation Committee of the Board of Directors. These restricted stock awards were granted based upon the achievement of certain corporate performance goals and generally vest over a period of three years. Additionally, during the nine months ended September 30, 2016, the Company awarded 14,460 shares of restricted stock to non-employee members of the Board of Directors, which had a fair value of $350 on the date of approval. These restricted stock awards vest over a one-year period. The Operating Partnership issued restricted Unit awards to the Company in the same amount for both restricted stock awards.

Compensation expense is charged to earnings over the vesting periods for the restricted stock or restricted Unit awards expected to vest except if the recipient is not required to provide future service in exchange for vesting of such restricted stock or restricted Unit awards. If vesting of a recipient's restricted stock or restricted Unit awards is not contingent upon future service, the expense is recognized immediately at the date of grant. During the nine months ended September 30, 2016 and 2015, we recognized $1,590 and $1,250, respectively, of compensation expense related to restricted stock or restricted Unit awards granted to our Chief Executive Officer for which future service was not required.

LTIP Unit Awards

For the nine months ended September 30, 2016, the Company granted to certain employees 254,524 Long-Term Incentive Program ("LTIP") performance units ("LTIP Unit Awards"), which had a fair value of $2,561 on the grant date as determined by a lattice-binomial option-pricing model based on a Monte Carlo simulation. The LTIP Unit Awards vest based upon the relative total shareholder return ("TSR") of the Company's common stock compared to the TSRs of the MSCI US REIT Index and the NAREIT Industrial Index. The TSR for the LTIP Unit Awards is calculated based on the performance period from January 1, 2016 through December 31, 2018. Compensation expense is charged to earnings on a straight-line basis over the performance period. At the end of the performance period each participant will be issued shares of the Company's common stock equal to the maximum shares issuable to the participant for the performance period multiplied by a percentage, ranging from 0% to 100%, based on the Company's TSR as compared to the TSRs of the MSCI US REIT Index and the NAREIT Industrial Index. The participant is also entitled to dividend equivalents for shares issued pursuant to vested LTIP Unit Awards. The dividend equivalents represent any common dividends that would have been paid with respect to such issued shares after the grant of the LTIP Unit Awards and prior to the date of settlement. The Operating Partnership issues General Partner Units to the Company in the same amounts for vested LTIP Unit Awards.

Outstanding Restricted Stock or Restricted Unit Awards and LTIP Unit Awards

We recognized $1,428 and $1,507 for the three months ended September 30, 2016 and 2015, and $5,898 and $5,574 for the nine months ended September 30, 2016 and 2015, respectively, in amortization related to restricted stock or restricted Unit awards and LTIP Unit Awards. Restricted stock or restricted Unit award and LTIP Unit Award amortization capitalized in connection with development activities was not significant. At September 30, 2016, we had $8,231 in unrecognized compensation related to unvested restricted stock or restricted Unit awards and LTIP Unit Awards. The weighted average period that the unrecognized compensation is expected to be recognized is 0.96 years.