Overview and Basis of Presentation - Schedule of Corrections to Prior Period Adjustments and Previously Issued Financial Statements (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Condensed Consolidated Balance Sheets
Long-term debt and finance lease obligations		$ 455,465		$ 455,465				$ 446,580
Other deferred items and liabilities		69,308		69,308				68,953
Total liabilities								807,757
Accumulated deficit								(349,720)
Accumulated other comprehensive loss								(27,429)
Total Viad stockholders' equity								6,282
Non-redeemable noncontrolling interest		81,684		81,684				85,556
Total stockholders' equity		87,000	$ 112,259	87,000	$ 112,259	$ 75,365	$ 66,920	$ 91,838	$ 102,567	$ 139,759	$ 174,099
Condensed Consolidated Statements of Operations
Total costs and expenses			208,743		392,466
Income from continuing operations before income taxes		50,669	24,856	40,938	(68,699)
Income tax expense			5,329		118
Income from continuing operations			19,527		(68,817)
Net income			19,775		(68,283)
Net (income) loss attributable to non-redeemable noncontrolling interest			(5,004)	(3,031)	(3,049)
Net income attributable to Viad		$ 38,121	$ 15,067	$ 28,959	$ (70,111)
Diluted income per common share:
Continuing operations attributable to Viad common stockholders			$ 0.45		$ (3.80)
Net income attributable to Viad common stockholders	[1]	$ 1.29	0.46	$ 0.79	(3.77)
Basic income per common share:
Continuing operations attributable to Viad common stockholders			0.45		(3.80)
Net income attributable to Viad common stockholders		$ 1.30	$ 0.46	$ 0.80	$ (3.77)
Amounts attributable to Viad
Income from continuing operations			$ 14,819		$ (70,645)
Net income			15,067		(70,111)
Condensed Consolidated Statements of Comprehensive Income (Loss)
Net income (loss)			19,775		(68,283)
Unrealized foreign currency translation adjustments			(8,634)		(980)
Comprehensive loss			11,224		(69,058)
Comprehensive Income attributable to non-redeemable noncontrolling interest			(5,004)	$ (3,031)	(3,049)
Comprehensive loss attributable to Viad			4,556		(71,027)
Condensed Consolidated Statements of Cash Flows
Net income (loss)			19,775		(68,283)
Deferred income taxes					(131)
Other non-cash items, net					4,642
Services
Condensed Consolidated Statements of Operations
Costs of services			$ 150,983		$ 283,403
As Previously Reported
Condensed Consolidated Balance Sheets
Long-term debt and finance lease obligations		$ 450,085		450,085
Other deferred items and liabilities		70,300		70,300
Total liabilities		915,397		915,397
Accumulated deficit		(324,587)		(324,587)
Accumulated other comprehensive loss		(61,010)		(61,010)
Total Viad stockholders' equity		7,759		7,759
Non-redeemable noncontrolling interest		83,629		83,629
Total stockholders' equity		91,388		91,388
Condensed Consolidated Statements of Operations
Total costs and expenses		327,091		833,385
Income from continuing operations before income taxes		55,630		45,899
Income tax expense		9,802		10,579
Income from continuing operations		45,828		35,320
Net income		45,786		35,605
Net (income) loss attributable to non-redeemable noncontrolling interest		(5,729)		(4,976)
Net income attributable to Viad		$ 40,145		$ 30,983
Diluted income per common share:
Continuing operations attributable to Viad common stockholders		$ 1.38		$ 0.88
Net income attributable to Viad common stockholders		1.38		0.89
Basic income per common share:
Continuing operations attributable to Viad common stockholders		1.40		0.88
Net income attributable to Viad common stockholders		$ 1.40		$ 0.89
Amounts attributable to Viad
Income from continuing operations		$ 40,187		$ 30,698
Net income		40,145		30,983
Condensed Consolidated Statements of Comprehensive Income (Loss)
Net income (loss)		45,786		35,605
Unrealized foreign currency translation adjustments		(26,427)		(34,558)
Comprehensive loss		19,870		2,024
Comprehensive Income attributable to non-redeemable noncontrolling interest		(5,729)		(4,976)
Comprehensive loss attributable to Viad		9,173		(8,931)
Condensed Consolidated Statements of Cash Flows
Net income (loss)		45,786		35,605
Deferred income taxes				346
Other non-cash items, net				(6,933)
As Previously Reported | Services
Condensed Consolidated Statements of Operations
Costs of services		246,472		641,603
Adjustments
Condensed Consolidated Balance Sheets
Long-term debt and finance lease obligations		5,380		5,380
Other deferred items and liabilities		(992)		(992)
Total liabilities		4,388		4,388
Accumulated deficit		(2,024)		(2,024)
Accumulated other comprehensive loss		(419)		(419)
Total Viad stockholders' equity		(2,443)		(2,443)
Non-redeemable noncontrolling interest		(1,945)		(1,945)
Total stockholders' equity		(4,388)		(4,388)
Condensed Consolidated Statements of Operations
Total costs and expenses		4,961		4,961
Income from continuing operations before income taxes		(4,961)		(4,961)
Income tax expense		(992)		(992)
Income from continuing operations		(3,969)		(3,969)
Net income		(3,969)		(3,969)
Net (income) loss attributable to non-redeemable noncontrolling interest		1,945		1,945
Net income attributable to Viad		$ (2,024)		$ (2,024)
Diluted income per common share:
Continuing operations attributable to Viad common stockholders		$ (0.09)		$ (0.10)
Net income attributable to Viad common stockholders		(0.09)		(0.10)
Basic income per common share:
Continuing operations attributable to Viad common stockholders		(0.10)		(0.09)
Net income attributable to Viad common stockholders		$ (0.10)		$ (0.09)
Amounts attributable to Viad
Income from continuing operations		$ (2,024)		$ (2,024)
Net income		(2,024)		(2,024)
Condensed Consolidated Statements of Comprehensive Income (Loss)
Net income (loss)		(3,969)		(3,969)
Unrealized foreign currency translation adjustments		(419)		(419)
Comprehensive loss		(4,388)		(4,388)
Comprehensive Income attributable to non-redeemable noncontrolling interest		1,945		1,945
Comprehensive loss attributable to Viad		(2,443)		(2,443)
Condensed Consolidated Statements of Cash Flows
Net income (loss)		(3,969)		(3,969)
Deferred income taxes				(992)
Other non-cash items, net				(4,961)
Adjustments | Services
Condensed Consolidated Statements of Operations
Costs of services		4,961		4,961
As Restated
Condensed Consolidated Balance Sheets
Long-term debt and finance lease obligations		455,465		455,465
Other deferred items and liabilities		69,308		69,308
Total liabilities		919,785		919,785
Accumulated deficit		(326,611)		(326,611)
Accumulated other comprehensive loss		(61,429)		(61,429)
Total Viad stockholders' equity		5,316		5,316
Non-redeemable noncontrolling interest		81,684		81,684
Total stockholders' equity		87,000		87,000
Condensed Consolidated Statements of Operations
Total costs and expenses		332,052		838,346
Income from continuing operations before income taxes		50,669		40,938
Income tax expense		8,810		9,587
Income from continuing operations		41,859		31,351
Net income		41,817		31,636
Net (income) loss attributable to non-redeemable noncontrolling interest		(3,784)		(3,031)
Net income attributable to Viad		$ 38,121		$ 28,959
Diluted income per common share:
Continuing operations attributable to Viad common stockholders		$ 1.29		$ 0.78
Net income attributable to Viad common stockholders		1.29		0.79
Basic income per common share:
Continuing operations attributable to Viad common stockholders		1.30		0.79
Net income attributable to Viad common stockholders		$ 1.30		$ 0.80
Amounts attributable to Viad
Income from continuing operations		$ 38,163		$ 28,674
Net income		38,121		28,959
Condensed Consolidated Statements of Comprehensive Income (Loss)
Net income (loss)		41,817		31,636
Unrealized foreign currency translation adjustments		(26,846)		(34,977)
Comprehensive loss		15,482		(2,364)
Comprehensive Income attributable to non-redeemable noncontrolling interest		(3,784)		(3,031)
Comprehensive loss attributable to Viad		6,730		(11,374)
Condensed Consolidated Statements of Cash Flows
Net income (loss)		41,817		31,636
Deferred income taxes				(646)
Other non-cash items, net				11,894
As Restated | Services
Condensed Consolidated Statements of Operations
Costs of services		$ 251,433		$ 646,564

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