Income Taxes: (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Schedule of income tax benefit of TRSs

The income tax benefit of the TRSs are as follows:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2015		2014		2015		2014
Current	$	—	$	—	$	—	$	—
Deferred	859		689		2,077		3,759
Income tax benefit	$	859	$	689	$	2,077	$	3,759