Acquisitions - Narrative (Details) - USD ($)				3 Months Ended		12 Months Ended
	Nov. 06, 2019	Jul. 18, 2019	Mar. 01, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Nov. 01, 2017
Business Acquisition [Line Items]
Total revenues				$ 133,842,000	$ 63,320,000
Net income (loss)				(178,240,000)	568,000
Contingent consideration				2,072,000		$ 5,627,000
Non-recurring transaction costs				406,000	750,000
Asset impairment charges				$ 5,500,000
Remington
Business Acquisition [Line Items]
Total revenues					0
RED
Business Acquisition [Line Items]
Ownership by parent		84.00%		84.21%		84.21%
Operating Segments | Remington
Business Acquisition [Line Items]
Total revenues				$ 70,456,000
Net income (loss)				(127,270,000)
Impairment				121,048,000
Remington
Business Acquisition [Line Items]
Fair value of Ashford Inc. common stock issued	$ 275,000,000
Equity interest issued (in shares)	11,000,000
Favorable lease terms	$ 4,200,000
Increase to value of management contracts				40,900,000
Increase to deferred tax liability				10,300,000
Increase in the fair value of the purchase price				1,300,000
Sebago
Business Acquisition [Line Items]
Fair value of Ashford Inc. common stock issued		$ 4,547,000
Equity interest issued (in shares)		135,366
Cash payment				1,000,000
Total revenues				1,400,000
Net income (loss)				9,000
Cash consideration		$ 2,500,000
Share price (in dollars per share)		$ 33.24
Estimated fair value		$ 4,500,000
Contingent consideration						$ 1,000,000
Goodwill expected tax deductible		$ 1,200,000
JSAV
Business Acquisition [Line Items]
Voting interests acquired			88.00%				85.00%
BAV
Business Acquisition [Line Items]
Fair value of Ashford Inc. common stock issued			$ 3,748,000
Cash consideration				0	4,332,000
Contingent consideration				5,100,000		4,600,000
BAV | JSAV
Business Acquisition [Line Items]
Fair value of Ashford Inc. common stock issued			$ 3,500,000
Equity interest issued (in shares)			61,387
Total revenues				2,800,000	1,700,000
Net income (loss)				606,000	$ 253,000
Cash consideration			$ 5,000,000
Share price (in dollars per share)			$ 57.01
Estimated fair value			$ 3,700,000
Interest issued and issuable, 18 months			500,000	500,000		500,000
Contingent consideration possible			1,400,000
Contingent consideration				2,100,000		$ 1,600,000
Goodwill expected tax deductible			$ 4,800,000
BAV | Minimum | JSAV
Business Acquisition [Line Items]
Payable term			12 months
BAV | Maximum | JSAV
Business Acquisition [Line Items]
Payable term			18 months
Contingent consideration				$ 3,000,000