Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Real estate assets
Land, buildings and improvements, intangible lease assets, and other	$ 9,990,860	$ 8,102,754
Investment in financing leases	2,078,209	2,060,302
Mortgage loans	1,339,258	1,275,022
Gross investment in real estate assets	13,408,327	11,438,078
Accumulated depreciation and amortization	(684,444)	(570,042)
Net investment in real estate assets	12,723,883	10,868,036
Cash and cash equivalents	374,962	1,462,286
Interest and rent receivables	41,321	31,357
Straight-line rent receivables	377,999	334,231
Equity investments	841,098	926,990
Other loans	792,011	544,832
Other assets	296,796	299,599
Total Assets	15,448,070	14,467,331
Liabilities
Debt, net	7,795,890	7,023,679
Accounts payable and accrued expenses	443,453	291,489
Deferred revenue	18,638	16,098
Obligations to tenants and other lease liabilities	122,812	107,911
Total Liabilities	8,380,793	7,439,177
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 — 528,641 shares at June 30, 2020 and 517,522 shares at December 31, 2019	529	518
Limited Partners:
Additional paid-in capital	7,200,203	7,008,199
Retained (deficit) earnings	(19,771)	83,012
Accumulated other comprehensive loss	(113,013)	(62,905)
Treasury shares, at cost	(777)	(777)
Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital)	7,067,171	7,028,047
Non-controlling interests	106	107
Total Equity / Capital	7,067,277	7,028,154
Total Liabilities and Equity / Capital	15,448,070	14,467,331
MPT Operating Partnership, L.P. [Member]
Real estate assets
Land, buildings and improvements, intangible lease assets, and other	9,990,860	8,102,754
Investment in financing leases	2,078,209	2,060,302
Mortgage loans	1,339,258	1,275,022
Gross investment in real estate assets	13,408,327	11,438,078
Accumulated depreciation and amortization	(684,444)	(570,042)
Net investment in real estate assets	12,723,883	10,868,036
Cash and cash equivalents	374,962	1,462,286
Interest and rent receivables	41,321	31,357
Straight-line rent receivables	377,999	334,231
Equity investments	841,098	926,990
Other loans	792,011	544,832
Other assets	296,796	299,599
Total Assets	15,448,070	14,467,331
Liabilities
Debt, net	7,795,890	7,023,679
Accounts payable and accrued expenses	299,861	152,999
Deferred revenue	18,638	16,098
Obligations to tenants and other lease liabilities	122,812	107,911
Payable due to Medical Properties Trust, Inc.	143,202	138,100
Total Liabilities	8,380,403	7,438,787
Limited Partners:
Accumulated other comprehensive loss	(113,013)	(62,905)
Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital)	7,067,561	7,028,437
Non-controlling interests	106	107
Total Equity / Capital	7,067,667	7,028,544
Total Liabilities and Equity / Capital	15,448,070	14,467,331
General Partner [Member] | MPT Operating Partnership, L.P. [Member]
Equity / Capital
General Partner — issued and outstanding — [ ] units at June 30, 2020and 5,176 units at December 31, 2019	71,831	70,939
Limited Partners:
Total Equity / Capital	71,831	70,939
Common Units [Member] | MPT Operating Partnership, L.P. [Member]
Limited Partners:
Common units — issued and outstanding — 523,354 units at June 30, 2020 and 512,346 units at December 31, 2019	$ 7,108,743	$ 7,020,403