Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Predevelopment costs and earnest money	$ 33,997	$ 8,249
Furniture, fixtures and equipment, leasehold improvements, and other deferred costs, net of accumulated depreciation of $28,082 and $25,193 in 2019 and 2018, respectively	17,355	14,942
Prepaid expenses and other assets	9,603	5,087
Lease inducements, net of accumulated amortization of $2,111 and $1,545 in 2019 and 2018, respectively	5,423	4,961
Line of credit deferred financing costs, net of accumulated amortization of $2,576 and $1,451 in 2019 and 2018, respectively	4,892	5,844
Total other assets	71,270	39,083
Accumulated depreciation of furniture, fixtures and equipment, leasehold improvements, and other deferred costs	28,082	25,193
Accumulated amortization of lease inducements	2,111	1,545
Accumulated amortization of line of credit deferred financing costs	$ 2,576	$ 1,451