Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Real estate assets
Land	$ 1,017,402	$ 547,894
Buildings and improvements	6,295,084	4,233,255
Construction in progress	168,212	84,172
Intangible lease assets	622,056	403,138
Investment in financing leases	2,060,302	684,053
Mortgage loans	1,275,022	1,213,322
Gross investment in real estate assets	11,438,078	7,165,834
Accumulated depreciation	(504,651)	(414,331)
Accumulated amortization	(65,391)	(50,653)
Net investment in real estate assets	10,868,036	6,700,850
Cash and cash equivalents	1,462,286	820,868
Interest and rent receivables	31,357	25,855
Straight-line rent receivables	334,231	220,848
Equity investments	926,990	520,058
Other loans	544,832	373,198
Other assets	299,599	181,966
Total Assets	14,467,331	8,843,643
Liabilities
Debt, net	7,023,679	4,037,389
Accounts payable and accrued expenses	291,489	204,325
Deferred revenue	16,098	13,467
Obligations to tenants and other lease liabilities	107,911	27,524
Total Liabilities	7,439,177	4,282,705
Commitments and Contingencies
Equity / Capital
Preferred stock, $0.001 par value. Authorized 10,000 shares; no shares outstanding
Common stock, $0.001 par value. Authorized 750,000 shares; issued and outstanding — 517,522 shares at December 31, 2019 and 370,637 shares at December 31, 2018	518	371
Limited Partners:
Additional paid-in capital	7,008,199	4,442,948
Retained earnings	83,012	162,768
Accumulated other comprehensive loss	(62,905)	(58,202)
Treasury shares, at cost	(777)	(777)
Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital)	7,028,047	4,547,108
Non-controlling interests	107	13,830
Total Equity / Capital	7,028,154	4,560,938
Total Liabilities and Equity / Capital	14,467,331	8,843,643
MPT Operating Partnership, L.P. [Member]
Real estate assets
Land	1,017,402	547,894
Buildings and improvements	6,295,084	4,233,255
Construction in progress	168,212	84,172
Intangible lease assets	622,056	403,138
Investment in financing leases	2,060,302	684,053
Mortgage loans	1,275,022	1,213,322
Gross investment in real estate assets	11,438,078	7,165,834
Accumulated depreciation	(504,651)	(414,331)
Accumulated amortization	(65,391)	(50,653)
Net investment in real estate assets	10,868,036	6,700,850
Cash and cash equivalents	1,462,286	820,868
Interest and rent receivables	31,357	25,855
Straight-line rent receivables	334,231	220,848
Equity investments	926,990	520,058
Other loans	544,832	373,198
Other assets	299,599	181,966
Total Assets	14,467,331	8,843,643
Liabilities
Debt, net	7,023,679	4,037,389
Accounts payable and accrued expenses	152,999	108,574
Deferred revenue	16,098	13,467
Obligations to tenants and other lease liabilities	107,911	27,524
Payable due to Medical Properties Trust, Inc.	138,100	95,361
Total Liabilities	7,438,787	4,282,315
Commitments and Contingencies
Limited Partners:
Accumulated other comprehensive loss	(62,905)	(58,202)
Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital)	7,028,437	4,547,498
Non-controlling interests	107	13,830
Total Equity / Capital	7,028,544	4,561,328
Total Liabilities and Equity / Capital	14,467,331	8,843,643
General Partner [Member] | MPT Operating Partnership, L.P. [Member]
Limited Partners:
Total Equity / Capital	70,939	46,084
General partner — issued and outstanding — 5,176 units at December 31, 2019 and 3,706 units at December 31, 2018	70,939	46,084
Common Units [Member] | MPT Operating Partnership, L.P. [Member]
Limited Partners:
Common units — issued and outstanding — 512,346 units at December 31, 2019 and 366,931 units at December 31, 2018	$ 7,020,403	$ 4,559,616