Fair Value Measurements (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Mar. 31, 2020	Dec. 31, 2019	Nov. 06, 2019	Jul. 18, 2019	Mar. 01, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration				$ 2,072,000	$ 5,627,000
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Goodwill				66,834,000	205,606,000
Indefinite-lived intangible assets, written down amount				6,890,000
Intangible asset impairment charges	$ (7,641,000)
Total	(178,588,000)	$ 0
Unrealized gain (loss)	3,316,000	(758,000)
Net	(175,272,000)	(758,000)
Available-for-sale securities				171,000
BAV
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration				5,100,000	4,600,000
Sebago
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration					1,000,000
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Goodwill							$ 1,235,000
Remington
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Goodwill						$ 175,653,000
Trademarks | JSAV
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Indefinite-lived intangible assets, written down amount				1,500,000
Intangible asset impairment charges	(2,141,000)
Trademarks | Remington
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Indefinite-lived intangible assets, written down amount				4,900,000
Intangible asset impairment charges	(5,500,000)
Goodwill
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairments	(170,572,000)	0
Intangible assets, net | Trademarks | Remington
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Intangible asset impairment charges		0
Remington | Operating Segments
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairments	(121,048,000)
Goodwill				54,606,000	143,854,000
Premier
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairments	(49,524,000)
Premier | Operating Segments
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Impairments	(49,524,000)
Goodwill				0	49,524,000
Restricted Investments
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Restricted investment, carrying value				(340,000)	(1,195,000)
Historical Cost				1,196,000	1,309,000
Gross Unrealized Gains	0		$ 0
Gross Unrealized Losses	(856,000)		(114,000)
Contingent consideration
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Acquisitions	0
Gains (losses) included in earnings	(41,000)
Dispositions and settlements	0
Transfers into/out of Level 3 (2)	3,000,000
Unrealized gain (loss)	(463,000)	(18,000)
Subsidiary compensation plan
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Unrealized gain (loss)	202,000	0
Deferred compensation plan
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Unrealized gain (loss)	3,577,000	(740,000)
JSAV | BAV
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration				2,100,000	1,600,000
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Goodwill								$ 4,827,000
Ashford Trust | Restricted Investments
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Restricted investment, carrying value		0		(214,000)
Braemar | Restricted Investments
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Restricted investment, carrying value		$ 0		(161,000)
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				340,000	1,195,000
Contingent consideration	(2,072,000)		(5,627,000)	(2,072,000)	(5,627,000)
Subsidiary compensation plan				(42,000)	(415,000)
Deferred compensation plan				(1,150,000)	(4,729,000)
Total				(3,264,000)	(10,771,000)
Net				(2,924,000)	(9,576,000)
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Balance at December 31, 2019	(5,627,000)
Balance at March 31, 2020	(2,072,000)		(5,627,000)
Fair Value, Measurements, Recurring | Ashford Trust
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				259,000	768,000
Fair Value, Measurements, Recurring | Braemar
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				81,000	427,000
Fair Value, Measurements, Recurring | Quoted Market Prices (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				340,000	1,195,000
Contingent consideration	(2,072,000)		(2,668,000)	(2,072,000)	(2,668,000)
Subsidiary compensation plan				0	0
Deferred compensation plan				(1,150,000)	(4,729,000)
Total				(3,222,000)	(7,397,000)
Net				(2,882,000)	(6,202,000)
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Balance at December 31, 2019	(2,668,000)
Balance at March 31, 2020	(2,072,000)		(2,668,000)
Fair Value, Measurements, Recurring | Quoted Market Prices (Level 1) | Ashford Trust
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				259,000	768,000
Fair Value, Measurements, Recurring | Quoted Market Prices (Level 1) | Braemar
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				81,000	427,000
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				0	0
Contingent consideration	0		0	0	0
Subsidiary compensation plan				(42,000)	(415,000)
Deferred compensation plan				0	0
Total				(42,000)	(415,000)
Net				(42,000)	(415,000)
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Balance at December 31, 2019	0
Balance at March 31, 2020	0		0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Ashford Trust
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Braemar
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				0	0
Contingent consideration	0		(2,959,000)	0	(2,959,000)
Subsidiary compensation plan				0	0
Deferred compensation plan				0	0
Total				0	(2,959,000)
Net				0	(2,959,000)
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Balance at December 31, 2019	(2,959,000)
Balance at March 31, 2020	$ 0		$ (2,959,000)
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Ashford Trust
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Braemar
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted Investment				$ 0	$ 0