Schedule III - Real Estate and Accumulated Depreciation - Narratives (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule III, Real Estate and Accumulated Depreciation, Other Required Disclosures
Gross Carrying Amount	$ 250,726	$ 255,736
Accumulated amortization	168,578	157,283
Finite-lived intangible liabilities, gross	14,654	14,776
Finite-lived intangible liabilities accumulated amortization	8,755	7,755
Real estate under construction	103,309	$ 180,055	$ 235,751
Federal income tax basis	2,300,000
Lease Agreements
SEC Schedule III, Real Estate and Accumulated Depreciation, Other Required Disclosures
Finite-lived intangible liabilities, gross	14,700
Finite-lived intangible liabilities accumulated amortization	8,800
Lease Agreements
SEC Schedule III, Real Estate and Accumulated Depreciation, Other Required Disclosures
Gross Carrying Amount	250,700
Accumulated amortization	$ 168,600