Long-Term Debt Narrative (Details) - USD ($)	3 Months Ended					6 Months Ended		12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Jun. 30, 2017	Mar. 31, 2016	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	May 15, 2020	Sep. 30, 2019	Sep. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Debt Instrument [Line Items]
Issuance of warrants					$ 12,376,000
Payments for Repurchase of Common Stock						$ 1,693,000	$ 860,000
Amortization of debt fees						$ 942,000	1,225,000
CARES Act Loan [Member]
Debt Instrument [Line Items]
Interest rate (as a percent)	1.00%					1.00%
Unsecured Debt									$ 10,000,000
Unsecured Debt, Current	$ 1,570,000					$ 1,570,000
Convertible Subordinated Debt | Convertible Senior Notes at 5.00% November 2024 [Domain]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days						10
Convertible Subordinated Debt | Convertible Senior Notes at 5.00% November 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fee Amount		$ 1,394,000						$ 1,394,000
Debt Instrument, Face Amount	$ 72,909,000	$ 72,909,000				$ 72,909,000		$ 72,909,000
Interest rate (as a percent)	5.00%	5.00%				5.00%		5.00%
Debt Instrument Repurchase Amount, Cash Paid		$ 6,928,000						$ 6,928,000
Last Reported Sales Price Period, Common Stock						20 days
Debt Instrument, Convertible, Threshold Consecutive Trading Days						30
Percent of the Applicable Conversion Price	130.00%					130.00%
Business Day Period						5 years
Percent of the Product of the Last Reported Sale Price, Common Shares	98.00%					98.00%
Convertible Senior Notes, Percentage of Principal Required for Repurchase	100.00%					100.00%
Convertible Preferred Stock, Shares Issued upon Conversion	67.6819					67.6819
Convertible Debt, Conversion Rate of Commmon Shares, Principal	$ 1,000					$ 1,000
Debt Instrument, Convertible, Conversion Price	$ 14.78					$ 14.78
Debt Instrument, Net Carrying Amount	$ 61,908,000	60,817,000				$ 61,908,000		60,817,000
Debt Instrument, Fee Amount	(1,170,000)	(1,359,000)				(1,170,000)		(1,359,000)
Debt Instrument, Unamortized Discount	$ (9,831,000)	(10,733,000)				$ (9,831,000)		(10,733,000)
Debt Instrument, Interest Rate, Effective Percentage	8.77%					8.77%
Debt Instrument, Non-Cash Interest Expense Recognized in the Period	$ 454,000					$ 902,000
Debt Instrument, Increase, Accrued Interest	912,000					1,823,000
Debt Instrument, Loss on Exchange								5,885,000
Convertible Subordinated Debt | Convertible Senior Notes at 5.00% February 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fee Amount												$ 5,966,000
Debt Instrument, Face Amount	$ 25,716,000	61,091,000			150,000,000	$ 25,716,000		61,091,000
Interest rate (as a percent)	5.00%					5.00%
Debt Instrument Exchange Amount	$ 35,375,000	72,909,000
Debt Instrument, Repurchase Amount										$ 16,000,000
Last Reported Sales Price Period, Common Stock						20 days
Debt Instrument, Convertible, Threshold Consecutive Trading Days						30
Percent of the Applicable Conversion Price	130.00%					130.00%
Business Day Period						5 years
Debt Instrument, Convertible, Threshold Trading Days						10
Percent of the Product of the Last Reported Sale Price, Common Shares	98.00%					98.00%
Convertible Senior Notes, Percentage of Principal Required for Repurchase	100.00%					100.00%
Convertible Preferred Stock, Shares Issued upon Conversion	60.0492					60.0492
Convertible Debt, Conversion Rate of Commmon Shares, Principal	$ 1,000					$ 1,000
Debt Instrument, Convertible, Conversion Price	$ 16.65					$ 16.65
Convertible Debt Conversion Feature, Fair Value at Issuance	$ 34,480,000					$ 34,480,000
Convertible Debt Conversion Feature Gain (Loss)	0		$ (4,504,000)			0	2,210,000
Convertible due 2021 - Bond Hedge, Fair Value at Issuance	27,975,000					27,975,000
Convertible Debt Note Hedge Gain (Loss)	0		(3,652,000)			0	2,852,000
Derivative, Price Risk Option Strike Price													$ 22.4175
Debt Instrument, Net Proceeds												144,034,000
Debt Instrument, Net Carrying Amount	24,644,000	56,628,000				24,644,000		56,628,000
Debt Instrument, Fee Amount	(128,000)	(547,000)				(128,000)		(547,000)
Payments for Repurchase of Common Stock					$ 5,000,000
Derivative, Amount of Hedged Item												$ (15,600,000)
Debt Instrument, Unamortized Discount	$ (944,000)	(3,916,000)				$ (944,000)		(3,916,000)
Debt Instrument, Interest Rate, Effective Percentage	11.10%					11.10%
Debt Instrument, Non-Cash Interest Expense Recognized in the Period	$ 682,000		2,162,000			$ 1,506,000	3,947,000
Debt Instrument, Increase, Accrued Interest	631,000		1,875,000			1,376,000	3,750,000
Convertible Subordinated Debt | Convertible Senior Notes at 4.50% February 2022 [Domain]
Debt Instrument [Line Items]
Debt Instrument, Fee Amount				$ 4,711,000
Debt Instrument, Face Amount	$ 81,500,000	120,000,000				$ 81,500,000		120,000,000			$ 120,000,000
Interest rate (as a percent)	4.50%					4.50%
Debt Instrument Exchange Amount	$ 38,500,000
Last Reported Sales Price Period, Common Stock						20 days
Debt Instrument, Convertible, Threshold Consecutive Trading Days						30
Percent of the Applicable Conversion Price	130.00%					130.00%
Business Day Period						5 years
Debt Instrument, Convertible, Threshold Trading Days						10
Percent of the Product of the Last Reported Sale Price, Common Shares	98.00%					98.00%
Convertible Senior Notes, Percentage of Principal Required for Repurchase	100.00%					100.00%
Convertible Preferred Stock, Shares Issued upon Conversion	61.6095					61.6095
Convertible Debt, Conversion Rate of Commmon Shares, Principal	$ 1,000					$ 1,000
Debt Instrument, Convertible, Conversion Price	$ 16.23					$ 16.23
Convertible Debt Conversion Feature, Fair Value at Issuance				28,859,000
Convertible Debt Conversion Feature Gain (Loss)	$ 0		(2,491,000)			$ 0	6,193,000
Convertible due 2022 - Bond Hedge, Fair Value at Issuance	24,780,000			$ 24,780,000		24,780,000
Convertible Debt Note Hedge Gain (Loss)	0		(1,873,000)			0	6,748,000
Derivative, Price Risk Option Strike Price				$ 21.4375
Issuance of warrants				$ 14,100,000
Debt Instrument, Net Proceeds				115,289,000
Debt Instrument, Net Carrying Amount	71,454,000	101,815,000				71,454,000		101,815,000
Debt Instrument, Fee Amount	(1,163,000)	(2,158,000)				(1,163,000)		(2,158,000)
Derivative, Amount of Hedged Item				$ (10,680,000)
Debt Instrument, Unamortized Discount	$ (8,883,000)	$ (16,027,000)				$ (8,883,000)		$ (16,027,000)
Debt Instrument, Interest Rate, Effective Percentage	10.90%					10.90%
Debt Instrument, Non-Cash Interest Expense Recognized in the Period	$ 1,323,000		1,404,000			$ 2,783,000	2,718,000
Debt Instrument, Increase, Accrued Interest	1,220,000		$ 1,350,000			2,570,000	$ 2,700,000
Convertible Subordinated Debt | Convertible Senior Subordinated Debentures at 5.00% February 2021 [Domain]
Debt Instrument [Line Items]
Unamortized Financing Costs						721,000
Convertible Subordinated Debt | Series II Convertible Senior Notes at 5.00% November 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Fee Amount	1,518,000					1,518,000
Debt Instrument, Face Amount	$ 74,129,000					$ 74,129,000
Interest rate (as a percent)	5.00%					5.00%
Debt Instrument Exchange Amount	$ 73,875,000
Debt Instrument Repurchase Amount, Cash Paid	$ 5,593,000					$ 5,593,000
Last Reported Sales Price Period, Common Stock						20 days
Debt Instrument, Convertible, Threshold Consecutive Trading Days						30
Percent of the Applicable Conversion Price	130.00%					130.00%
Debt Instrument, Convertible, Threshold Trading Days						10
Percent of the Product of the Last Reported Sale Price, Common Shares	98.00%					98.00%
Convertible Senior Notes, Percentage of Principal Required for Repurchase	100.00%					100.00%
Convertible Preferred Stock, Shares Issued upon Conversion	67.6819					67.6819
Convertible Debt, Conversion Rate of Commmon Shares, Principal	$ 1,000					$ 1,000
Debt Instrument, Convertible, Conversion Price	$ 14.78					$ 14.78
Debt Instrument, Net Carrying Amount	$ 62,175,000					$ 62,175,000
Debt Instrument, Fee Amount	(1,489,000)					(1,489,000)
Debt Instrument, Unamortized Discount	$ (10,465,000)					$ (10,465,000)
Debt Instrument, Interest Rate, Effective Percentage	8.99%					8.99%
Debt Instrument, Non-Cash Interest Expense Recognized in the Period						$ 403,000
Debt Instrument, Increase, Accrued Interest						$ 277,000
Debt Instrument, Loss on Exchange	$ 6,599,000
Convertible Subordinated Debt | Series II Convertible Senior Notes at 5.00% November 2024 [Domain]
Debt Instrument [Line Items]
Business Day Period						5 years
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)	4.64%	4.78%				4.64%		4.78%
Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Borrowing capacity	$ 30,000,000					$ 30,000,000
Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Trade Receivables, Europe, Percent						85.00%
Minimum availability reserve	3,000,000					$ 3,000,000
Line of Credit Facility, Covenant Feature, Dominion Trigger	3,750,000					3,750,000
Line of Credit Facility, Remaining Borrowing Capacity	6,059,000					6,059,000
Remaining borrowing capacity	$ 10,000,000					$ 10,000,000
Minimum required undrawn balance (as a percent)	11.25%					11.25%
Consecutive business days for minimum undrawn balance						5 days
Required undrawn balance, minimum	$ 3,000,000					$ 3,000,000
Interruption of material manufacturing facilities, period						10 days
Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement)
Debt Instrument [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	20,800,000					$ 20,800,000
Borrowing capacity	60,000,000					60,000,000
Additional increase in borrowing capacity available	25,000,000					$ 25,000,000
Percentage of domestic accounts receivable						85.00%
Percentage of eligible domestic inventory and in-transit inventory						70.00%
Percentage of net orderly liquidation value of domestic inventory						85.00%
Maximum value of net orderly liquidation value domestic inventory and in-transit inventory	4,000,000					$ 4,000,000
Net orderly liquidation value of domestic eligible machinery and equipment						85.00%
Additional amount of machinery and equipment	0					$ 0
Percentage of eligible Canadian accounts receivable						85.00%
Percentage of eligible Canadian inventory						70.00%
Percentage of net orderly liquidation value of eligible Canadian inventory						85.00%
Minimum availability reserve	5,000,000					$ 5,000,000
Line of Credit Facility, Current Borrowing Capacity	20,919,000					20,919,000
Line of Credit Facility, Covenant Feature, Dominion Trigger	$ 7,500,000					$ 7,500,000
Minimum required undrawn balance (as a percent)	11.25%					11.25%
Line of Credit, Covenant Compliance, Consecutive Business Days for Undrawn_Balance						5 days
Required undrawn balance, minimum	$ 6,000,000					$ 6,000,000
Interruption of material manufacturing facilities, period						10 days
Line of Credit Facility, Foreign Currency Fair Value of Amount Outstanding (France)	2,219,200					$ 2,219,200
Line of Credit Facility, Foreign Currency Fair Value of Amount Outstanding (UK)	3,702,600					3,702,600
Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement) | Euro Member Countries, Euro
Debt Instrument [Line Items]
Line of Credit Facility, Foreign Currency Fair Value of Amount Outstanding (France)	2,000,000					2,000,000
Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement) | United Kingdom, Pounds
Debt Instrument [Line Items]
Line of Credit Facility, Foreign Currency Fair Value of Amount Outstanding (UK)	3,000,000					3,000,000
Letter of Credit
Debt Instrument [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	7,938,000	$ 8,827,000				7,938,000		$ 8,827,000
Letter of Credit | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Borrowing capacity	5,000,000					5,000,000
Letter of Credit | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement)
Debt Instrument [Line Items]
Borrowing capacity	20,000,000					20,000,000
Swing Line Loans | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Borrowing capacity	2,000,000					2,000,000
Amount Available to Invacare Limited and Invacare Poirier SAS | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Borrowing capacity	$ 15,000,000					$ 15,000,000
Minimum | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Commitment fee percentage						0.25%
Minimum | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement)
Debt Instrument [Line Items]
Commitment fee percentage						0.25%
Minimum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Basis spread on variable rate						2.50%
Minimum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement)
Debt Instrument [Line Items]
Basis spread on variable rate						2.25%
Minimum | Base Rate | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Basis spread on variable rate						2.50%
Minimum | Base Rate | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement)
Debt Instrument [Line Items]
Basis spread on variable rate						1.25%
Maximum | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Commitment fee percentage						0.375%
Maximum | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement)
Debt Instrument [Line Items]
Commitment fee percentage						0.375%
Maximum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Basis spread on variable rate						3.00%
Maximum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement)
Debt Instrument [Line Items]
Basis spread on variable rate						2.75%
Maximum | Base Rate | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (Europe Credit Agreement)
Debt Instrument [Line Items]
Basis spread on variable rate						3.00%
Maximum | Base Rate | Revolving Credit Facility | Line of Credit | Revolving Credit and Security Agreement (New Credit Agreement)
Debt Instrument [Line Items]
Basis spread on variable rate						1.75%