Schedule III (Consolidated) - Real Estate and Accumulated Depreciation - Reconciliation of Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule III, Reconciliation of accumulated depreciation
Balance at beginning of the year	$ 75,960	$ 74,256	$ 67,500
Depreciation expense	11,728	8,298	6,756
Amounts retired or adjusted	(522)	(6,594)
Balance at the end of the year	$ 87,166	$ 75,960	$ 74,256