Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Real estate assets
Land, buildings and improvements, intangible lease assets, and other	$ 9,933,444	$ 8,102,754
Investment in financing leases	2,068,166	2,060,302
Mortgage loans	1,275,543	1,275,022
Gross investment in real estate assets	13,277,153	11,438,078
Accumulated depreciation and amortization	(627,467)	(570,042)
Net investment in real estate assets	12,649,686	10,868,036
Cash and cash equivalents	500,213	1,462,286
Interest and rent receivables	38,768	31,357
Straight-line rent receivables	355,424	334,231
Equity investments	834,430	926,990
Other loans	546,691	544,832
Other assets	312,875	299,599
Total Assets	15,238,087	14,467,331
Liabilities
Debt, net	7,684,293	7,023,679
Accounts payable and accrued expenses	428,136	291,489
Deferred revenue	24,001	16,098
Obligations to tenants and other lease liabilities	119,147	107,911
Total Liabilities	8,255,577	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 — 522,435 shares at March 31, 2020 and 517,522 shares at December 31, 2019	522	518
Limited Partners:
Additional paid-in capital	7,079,913	7,008,199
Retained earnings	14,025	83,012
Accumulated other comprehensive loss	(111,280)	(62,905)
Treasury shares, at cost	(777)	(777)
Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital)	6,982,403	7,028,047
Non-controlling interests	107	107
Total Equity / Capital	6,982,510	7,028,154
Total Liabilities and Equity / Capital	15,238,087	14,467,331
MPT Operating Partnership, L.P. [Member]
Real estate assets
Land, buildings and improvements, intangible lease assets, and other	9,933,444	8,102,754
Investment in financing leases	2,068,166	2,060,302
Mortgage loans	1,275,543	1,275,022
Gross investment in real estate assets	13,277,153	11,438,078
Accumulated depreciation and amortization	(627,467)	(570,042)
Net investment in real estate assets	12,649,686	10,868,036
Cash and cash equivalents	500,213	1,462,286
Interest and rent receivables	38,768	31,357
Straight-line rent receivables	355,424	334,231
Equity investments	834,430	926,990
Other loans	546,691	544,832
Other assets	312,875	299,599
Total Assets	15,238,087	14,467,331
Liabilities
Debt, net	7,684,293	7,023,679
Accounts payable and accrued expenses	286,142	152,999
Deferred revenue	24,001	16,098
Obligations to tenants and other lease liabilities	119,147	107,911
Payable due to Medical Properties Trust, Inc.	141,604	138,100
Total Liabilities	8,255,187	7,438,787
Limited Partners:
Accumulated other comprehensive loss	(111,280)	(62,905)
Total Medical Properties Trust, Inc. Stockholders' Equity (MPT Operating Partnership, L.P. capital)	6,982,793	7,028,437
Non-controlling interests	107	107
Total Equity / Capital	6,982,900	7,028,544
Total Liabilities and Equity / Capital	15,238,087	14,467,331
General Partner [Member] | MPT Operating Partnership, L.P. [Member]
Equity / Capital
General Partner — issued and outstanding — [ ] units at March 31, 2020 and 5,176 units at December 31, 2019	70,966	70,939
Limited Partners:
Total Equity / Capital	70,966	70,939
Common Units [Member] | MPT Operating Partnership, L.P. [Member]
Limited Partners:
Common units — issued and outstanding — 517,210 units at March 31, 2020 and 512,346 units at December 31, 2019	$ 7,023,107	$ 7,020,403