Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Lease revenues — net-leased	$ 121,646	$ 102,316	$ 119,100
Lease revenues — operating real estate	81,142	70,182	70,589
Other operating and interest income	1,429	4,569	7,750
Revenues	204,217	177,067	197,439
Operating Expenses
Depreciation and amortization	68,179	63,809	65,498
Operating real estate expenses	30,071	27,847	27,423
Impairment charges	23,504	0	0
Property expenses, excluding reimbursable tenant costs	20,240	18,690	18,660
Reimbursable tenant costs	14,817	12,159	13,204
General and administrative	8,274	7,630	7,724
Change in allowance for credit losses	0	(2,874)	0
Operating Expenses	165,085	127,261	132,509
Other Income and Expenses
Interest expense	(50,959)	(43,343)	(48,019)
Gain on sale of real estate, net	44,015	2,390	24,773
Other gains and (losses)	(2,728)	1,904	4,715
Earnings (losses) from equity method investment in real estate	0	12,313	(2,185)
Other Income and Expenses	(9,672)	(26,736)	(20,716)
Income before income taxes	29,460	23,070	44,214
Provision for income taxes	(1,850)	(769)	(210)
Net Income	27,610	22,301	44,004
Net loss (income) attributable to noncontrolling interests	236	(9,958)	(11,432)
Net Income Attributable to CPA:18 – Global	27,846	12,343	32,572
Class A
Other Income and Expenses
Net Income Attributable to CPA:18 – Global	$ 21,990	$ 9,737	$ 25,636
Basic weighted-average shares outstanding (in shares)	120,077,202	118,567,905	116,469,007
Diluted weighted-average shares outstanding (in shares)	120,077,202	118,567,905	116,469,007
Basic income (loss) per share (in dollars per share)	$ 0.18	$ 0.08	$ 0.22
Diluted income (loss) per share (in dollars per share)	$ 0.18	$ 0.08	$ 0.22
Class C
Other Income and Expenses
Net Income Attributable to CPA:18 – Global	$ 5,856	$ 2,606	$ 6,936
Basic weighted-average shares outstanding (in shares)	31,972,362	32,402,493	32,123,513
Diluted weighted-average shares outstanding (in shares)	31,972,362	32,402,493	32,123,513
Basic income (loss) per share (in dollars per share)	$ 0.18	$ 0.08	$ 0.22
Diluted income (loss) per share (in dollars per share)	$ 0.18	$ 0.08	$ 0.22