Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Furniture, fixtures and equipment, leasehold improvements, and other deferred costs, net of accumulated depreciation of $24,008 and $23,135 in 2017 and 2016, respectively	$ 14,849	$ 15,773
Lease inducements, net of accumulated amortization of $892 and $1,278 in 2017 and 2016, respectively	2,049	2,517
Prepaid expenses and other assets	9,764	8,432
Line of credit deferred financing costs, net of accumulated amortization of $2,905 and $2,264 in 2017 and 2016, respectively	1,428	2,182
Predevelopment costs and earnest money	80	179
Total other assets	28,170	29,083
Accumulated depreciation of furniture, fixtures and equipment, leasehold improvements, and other deferred costs	24,008	23,135
Accumulated amortization of lease inducements	892	1,278
Accumulated amortization of line of credit deferred financing costs	$ 2,905	$ 2,264