Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Real estate assets
Land	$ 1,463,200	$ 1,017,402
Buildings and improvements	9,286,507	6,295,084
Construction in progress	30,139	168,212
Intangible lease assets	1,299,081	622,056
Investment in financing leases	2,010,922	2,060,302
Mortgage loans	248,080	1,275,022
Gross investment in real estate assets	14,337,929	11,438,078
Accumulated depreciation	(728,176)	(504,651)
Accumulated amortization	(105,353)	(65,391)
Net investment in real estate assets	13,504,400	10,868,036
Cash and cash equivalents	549,884	1,462,286
Interest and rent receivables	46,208	31,357
Straight-line rent receivables	490,462	334,231
Equity investments	1,123,623	926,990
Other loans	858,368	544,832
Other assets	256,069	299,599
Total Assets	16,829,014	14,467,331
Liabilities
Debt, net	8,865,458	7,023,679
Accounts payable and accrued expenses	438,750	291,489
Deferred revenue	36,177	16,098
Obligations to tenants and other lease liabilities	144,772	107,911
Total Liabilities	9,485,157	7,439,177
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 — 541,419 shares at December 31, 2020 and 517,522 shares at December 31, 2019	541	518
Limited Partners:
Additional paid-in capital	7,461,503	7,008,199
Retained (deficit) earnings	(71,411)	83,012
Accumulated other comprehensive loss	(51,324)	(62,905)
Treasury shares, at cost	(777)	(777)
Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital)	7,338,532	7,028,047
Non-controlling interests	5,325	107
Total Equity / Capital	7,343,857	7,028,154
Total Liabilities and Equity / Capital	16,829,014	14,467,331
MPT Operating Partnership, L.P. [Member]
Real estate assets
Land	1,463,200	1,017,402
Buildings and improvements	9,286,507	6,295,084
Construction in progress	30,139	168,212
Intangible lease assets	1,299,081	622,056
Investment in financing leases	2,010,922	2,060,302
Mortgage loans	248,080	1,275,022
Gross investment in real estate assets	14,337,929	11,438,078
Accumulated depreciation	(728,176)	(504,651)
Accumulated amortization	(105,353)	(65,391)
Net investment in real estate assets	13,504,400	10,868,036
Cash and cash equivalents	549,884	1,462,286
Interest and rent receivables	46,208	31,357
Straight-line rent receivables	490,462	334,231
Equity investments	1,123,623	926,990
Other loans	858,368	544,832
Other assets	256,069	299,599
Total Assets	16,829,014	14,467,331
Liabilities
Debt, net	8,865,458	7,023,679
Accounts payable and accrued expenses	290,757	152,999
Deferred revenue	36,177	16,098
Obligations to tenants and other lease liabilities	144,772	107,911
Payable due to Medical Properties Trust, Inc.	147,603	138,100
Total Liabilities	9,484,767	7,438,787
Commitments and Contingencies
Limited Partners:
Accumulated other comprehensive loss	(51,324)	(62,905)
Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital)	7,338,922	7,028,437
Non-controlling interests	5,325	107
Total Equity / Capital	7,344,247	7,028,544
Total Liabilities and Equity / Capital	16,829,014	14,467,331
General Partner [Member] | MPT Operating Partnership, L.P. [Member]
Limited Partners:
Total Equity / Capital	73,977	70,939
General partner — issued and outstanding — 5,414 units at December 31, 2020 and 5,176 units at December 31, 2019	73,977	70,939
Common Units [Member] | MPT Operating Partnership, L.P. [Member]
Limited Partners:
Common units — issued and outstanding — 536,005 units at December 31, 2020 and 512,346 units at December 31, 2019	$ 7,316,269	$ 7,020,403