CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Real Estate:
Lease revenues	$ 352,336	$ 307,725
Investment Management:
Revenues	427,790	348,438
Operating Expenses
Depreciation and amortization	156,409	115,393
General and administrative	26,448	23,084
Reimbursable tenant costs	21,976	16,960
Operating property expenses	21,249	2,787
Property expenses, excluding reimbursable tenant costs	12,772	13,779
Stock-based compensation expense	7,766	7,833
Reimbursable costs from affiliates	101	927
Merger and other expenses	24	(2,322)
Impairment charges — real estate	0	20,179
Total operating expenses	246,745	198,620
Other Income and Expenses
Gain on sale of real estate, net	177,749	11,248
Interest expense	(67,196)	(46,053)
Other gains and (losses)	8,100	35,745
Earnings from equity method investments	5,236	4,772
Non-operating income	4,626	8,546
Total other income and expenses	128,515	14,258
Income before income taxes	309,560	164,076
Provision for income taxes	(15,119)	(7,083)
Net Income	294,441	156,993
Net (income) loss attributable to noncontrolling interests	(61)	2
Net Income Attributable to W. P. Carey	$ 294,380	$ 156,995
Basic earnings per share (usd per share)	$ 1.39	$ 0.82
Diluted earnings per share (usd per share)	$ 1.39	$ 0.82
Weighted-Average Shares Outstanding
Basic (in shares)	211,951,930	191,911,414
Diluted (in shares)	212,345,047	192,416,642
Real Estate
Real Estate:
Lease revenues	$ 352,336	$ 307,725
Income from finance leases and loans receivable	20,755	18,379
Operating property revenues	40,886	3,865
Other lease-related income	13,373	14,122
Investment Management:
Operating property revenues	40,886	3,865
Revenues	427,350	344,091
Operating Expenses
Depreciation and amortization	156,409	115,393
General and administrative	26,448	23,084
Reimbursable tenant costs	21,976	16,960
Operating property expenses	21,249	2,787
Property expenses, excluding reimbursable tenant costs	12,772	13,779
Stock-based compensation expense	7,766	7,833
Merger and other expenses	24	(2,325)
Impairment charges — real estate	0	20,179
Total operating expenses	246,644	197,690
Other Income and Expenses
Gain on sale of real estate, net	177,749	11,248
Interest expense	(67,196)	(46,053)
Other gains and (losses)	7,586	34,418
Earnings from equity method investments	5,236	(787)
Non-operating income	4,613	8,542
Total other income and expenses	127,988	7,368
Income before income taxes	308,694	153,769
Provision for income taxes	(15,402)	(6,913)
Net Income	293,292	146,856
Net (income) loss attributable to noncontrolling interests	(61)	2
Net Income Attributable to W. P. Carey	293,231	146,858
Investment Management
Real Estate:
Operating property revenues	440	4,347
Investment Management:
Operating property revenues	440	4,347
Revenues	440	4,347
Operating Expenses
Reimbursable costs from affiliates	101	927
Merger and other expenses	0	3
Total operating expenses	101	930
Other Income and Expenses
Other gains and (losses)	514	1,327
Earnings from equity method investments	0	5,559
Non-operating income	13	4
Total other income and expenses	527	6,890
Income before income taxes	866	10,307
Provision for income taxes	283	(170)
Net Income Attributable to W. P. Carey	1,149	10,137
Investment Management | Asset management revenue
Real Estate:
Operating property revenues	339	3,420
Investment Management:
Operating property revenues	339	3,420
Investment Management | Reimbursable costs from affiliates
Real Estate:
Operating property revenues	101	927
Investment Management:
Operating property revenues	$ 101	$ 927