Schedule III - Real Estate and Accumulated Depreciation - Accumulated Depreciation Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Real Estate Under Operating Leases
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments
Beginning balance	$ 1,440,354	$ 1,200,645	$ 1,210,776
Reclassification from real estate under construction	170,919	157,996	58
Foreign currency translation adjustment	(72,745)	62,373	(11,893)
Impairment charges	(23,551)	0	0
Dispositions	(13,417)	(3,391)	(29,974)
Acquisitions	8,981	0	0
Reclassification from direct financing leases	1,837	21,280	0
Capital improvements	876	1,451	892
Reclassification from operating real estate	0	0	30,786
Ending balance	1,513,254	1,440,354	1,200,645
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation
Beginning balance	172,319	135,922	112,061
Depreciation expense	37,051	30,449	29,339
Foreign currency translation adjustment	(7,400)	6,889	(924)
Dispositions	(2,306)	(941)	(4,554)
Ending balance	199,664	172,319	135,922
Operating Real Estate
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments
Beginning balance	596,998	512,485	503,149
Reclassification from real estate under construction	494	78,927	34,886
Foreign currency translation adjustment	1,615	3,966	3,014
Dispositions	(123,319)	0	(48)
Capital improvements	1,800	1,620	2,270
Reclassification from operating real estate	0	0	(30,786)
Ending balance	477,588	596,998	512,485
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation
Beginning balance	73,569	57,237	41,969
Depreciation expense	16,217	16,013	15,163
Foreign currency translation adjustment	91	319	127
Dispositions	(9,842)	0	(22)
Ending balance	$ 80,035	$ 73,569	$ 57,237