Notes Payable (Tables)

9 Months Ended

Sep. 30, 2016

Notes Payable, Commitments and Contingencies [Abstract]

Summary of terms of notes payable

The following table details the terms and amounts of the Company’s outstanding notes payable at September 30, 2016 and December 31, 2015 ($ in thousands):

Description	Interest Rate		Maturity	September 30, 2016			December 31, 2015
Post Oak Central mortgage note	4.26	%	2020	$	179,170		$	181,770
Fifth Third Center mortgage note	3.37	%	2026	150,000			—
The American Cancer Society Center mortgage note	6.45	%	2017	127,989			129,342
Colorado Tower mortgage note	3.45	%	2026	120,000			—
Promenade mortgage note	4.27	%	2022	106,068			108,203
191 Peachtree Tower mortgage note	3.35	%	2018	99,188			100,000
816 Congress mortgage note	3.75	%	2024	85,000			85,000
Meridian Mark Plaza mortgage note	6.00	%	2020	24,639			24,978
Credit Facility, unsecured	1.63	%	2019	—			92,000
				892,054			721,293
191 Peachtree Tower mortgage note classified as Held for Sale				(99,188		)	—
				$	792,866		$	721,293

Summary of interest

For the three and nine months ended September 30, 2016 and 2015, interest expense was as follows (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Total interest incurred	$	8,939		$	8,696		$	25,445		$	25,959
Interest capitalized	(1,229		)	(1,023		)	(2,988		)	(2,740		)
Total interest expense	$	7,710		$	7,673		$	22,457		$	23,219