Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Accumulated depreciation of furniture, fixtures and equipment, leasehold improvements, and other deferred costs	$ 18,886	$ 32,582
Accumulated amortization of lease inducements	3,678	3,316
Accumulated amortization of line of credit deferred financing costs	5,597	4,461
Furniture, fixtures and equipment, leasehold improvements, and other deferred costs, net of accumulated depreciation of $18,886 and $32,582 in 2021 and 2020, respectively	14,891	17,211
Predevelopment costs and earnest money	24,988	17,841
Prepaid expenses and other assets	9,368	6,095
Lease inducements, net of accumulated amortization of $3,678 and $3,316 in 2021 and 2020, respectively	6,347	5,771
Line of credit deferred financing costs, net of accumulated amortization of $5,597 and $4,461 in 2021 and 2020, respectively	1,885	3,021
Total other assets	$ 57,479	$ 49,939