CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue:
Total revenue		$ 415,435	$ 1,302,736	$ 1,237,324
Costs and expenses:
Business interruption gain			(141)	(602)
Corporate activities		8,687	10,865	10,993
Interest income		(377)	(369)	(354)
Interest expense		18,264	14,199	9,640
Multi-employer pension plan withdrawal		462	15,693
Other expense, net		1,132	1,586	1,744
Restructuring charges		13,440	8,380	1,587
Legal settlement			8,500
Impairment charges (recoveries)		203,076	5,346	(35)
Total costs and expenses		776,294	1,276,626	1,172,315
Income (loss) from continuing operations before income taxes		(360,859)	26,110	65,009
Income tax expense		14,246	2,506	17,095
Income (loss) from continuing operations		(375,105)	23,604	47,914
Income (loss) from discontinued operations		(1,847)	(81)	1,481
Net income (loss)		(376,952)	23,523	49,395
Net (income) loss attributable to non-redeemable noncontrolling interest		1,376	(2,309)	(542)
Net loss attributable to redeemable noncontrolling interest		1,482	821	317
Net income (loss) attributable to Viad		$ (374,094)	$ 22,035	$ 49,170
Diluted income (loss) per common share:
Continuing operations attributable to Viad common stockholders		$ (18.55)	$ 1.02	$ 2.33
Discontinued operations attributable to Viad common stockholders		(0.09)		0.07
Net income (loss) attributable to Viad common stockholders	[1]	$ (18.64)	$ 1.02	$ 2.40
Weighted-average outstanding and potentially dilutive common shares		20,279	20,284	20,404
Basic income (loss) per common share:
Continuing operations attributable to Viad common stockholders		$ (18.55)	$ 1.02	$ 2.33
Discontinued operations attributable to Viad common stockholders		(0.09)		0.07
Net income (loss) attributable to Viad common stockholders		$ (18.64)	$ 1.02	$ 2.40
Weighted-average outstanding common shares		20,279	20,146	20,168
Dividends declared per common share		$ 0.10	$ 0.40	$ 0.40
Amounts attributable to Viad common stockholders
Income (loss) from continuing operations		$ (372,247)	$ 22,116	$ 47,689
Income (loss) from discontinued operations		(1,847)	(81)	1,481
Net income (loss) attributable to Viad		(374,094)	22,035	49,170
Services
Revenue:
Total revenue		351,528	1,101,534	1,051,389
Costs and expenses:
Costs and expenses		457,827	1,031,187	980,543
Products
Revenue:
Total revenue		63,907	201,202	185,935
Costs and expenses:
Costs and expenses		$ 73,783	$ 181,380	$ 168,799

[1] Diluted loss per share amount cannot exceed basic loss per share.