Benefit Plans	6 Months Ended
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Benefit Plans	Benefit Plans During the quarter ended June 30, 2017, we granted 5.2 million non-vested share awards to our employees pursuant to our 2012 Long-Term Incentive Plan, of which 4.5 million will be settled in cash upon vesting. Grants of our non-vested share awards generally vest at rates of 20% or 33% per year, as determined by a committee or subcommittee of the Board of Directors at the time of grant. The non-vested share awards have dividend rights effective on the date of grant. Compensation expense for awards to be settled in cash is remeasured each quarter with a cumulative adjustment to compensation cost during the period based on changes in our share price. The weighted-average grant date fair value for our non-vested share awards that were granted during the quarter ended June 30, 2017 was $6.33.

Benefit Plans

6 Months Ended

Jun. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

During the quarter ended June 30, 2017, we granted 5.2 million non-vested share awards to our employees pursuant to our 2012 Long-Term Incentive Plan, of which 4.5 million will be settled in cash upon vesting. Grants of our non-vested share awards generally vest at rates of 20% or 33% per year, as determined by a committee or subcommittee of the Board of Directors at the time of grant. The non-vested share awards have dividend rights effective on the date of grant. Compensation expense for awards to be settled in cash is remeasured each quarter with a cumulative adjustment to compensation cost during the period based on changes in our share price. The weighted-average grant date fair value for our non-vested share awards that were granted during the quarter ended June 30, 2017 was $6.33.