Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2019	49,717,522
Balance at Dec. 31, 2019	$ 5	$ 46,271	$ 81,655	$ (4,681)	$ 123,250
Stock-based compensation	$ 0	1,911	0	0	1,911
Issuance of stock for equity compensation plans, net (in shares)	166,181
Issuance of stock for equity compensation plans, net	$ 0	(393)	0	0	(393)
Other comprehensive income (loss), net	0	0	0	(2,398)	(2,398)
Series A preferred stock dividend	0		(425)	0	(425)
Net loss attributable to Lindblad Expeditions Holdings, Inc	0	0	(68,973)	0	(68,973)
Redeemable noncontrolling interest	$ 0	0	7,216	0	7,216
Repurchase of shares and warrants (in shares)	(8,517)
Repurchase of shares and warrants	$ 0	(127)	0	0	(127)
Balance (in shares) at Sep. 30, 2020	49,875,186
Balance at Sep. 30, 2020	$ 5	47,662	19,473	(7,079)	60,061
Balance (in shares) at Jun. 30, 2020	49,822,955
Balance at Jun. 30, 2020	$ 5	47,394	45,403	(8,824)	83,978
Stock-based compensation	$ 0	310	0	0	310
Issuance of stock for equity compensation plans, net (in shares)	52,231
Issuance of stock for equity compensation plans, net	$ 0	(42)	0	0	(42)
Other comprehensive income (loss), net	0	0	0	1,745	1,745
Series A preferred stock dividend	0		(425)	0	(425)
Net loss attributable to Lindblad Expeditions Holdings, Inc	0	0	(27,379)	0	(27,379)
Redeemable noncontrolling interest	$ 0	0	1,874	0	1,874
Balance (in shares) at Sep. 30, 2020	49,875,186
Balance at Sep. 30, 2020	$ 5	47,662	19,473	(7,079)	60,061
Balance (in shares) at Dec. 31, 2020	49,905,512
Balance at Dec. 31, 2020	$ 5	48,127	(11,572)	(1,602)	34,958
Stock-based compensation	$ 0	4,012	0	0	4,012
Issuance of stock for equity compensation plans, net (in shares)	203,833
Issuance of stock for equity compensation plans, net	$ 0	(1,763)	0	0	(1,763)
Other comprehensive income (loss), net	0	0	0	861	861
Series A preferred stock dividend	0	0	(3,962)	0	(3,962)
Net loss attributable to Lindblad Expeditions Holdings, Inc	$ 0	0	(92,877)	0	(92,877)
Issuance of stock for acquisition (in shares)	82,302
Issuance of stock for acquisition	$ 0	1,770	0	0	1,770
Redeemable noncontrolling interest					(0)
Balance (in shares) at Sep. 30, 2021	50,191,647
Balance at Sep. 30, 2021	$ 5	52,146	(108,411)	(741)	(57,001)
Balance (in shares) at Jun. 30, 2021	50,139,831
Balance at Jun. 30, 2021	$ 5	50,777	(82,733)	(943)	(32,894)
Stock-based compensation	$ 0	1,406	0	0	1,406
Issuance of stock for equity compensation plans, net (in shares)	51,816
Issuance of stock for equity compensation plans, net	$ 0	(37)	0	0	(37)
Other comprehensive income (loss), net	0	0	0	202	202
Series A preferred stock dividend	0	0	(1,340)	0	(1,340)
Net loss attributable to Lindblad Expeditions Holdings, Inc	$ 0	0	(24,338)	0	(24,338)
Redeemable noncontrolling interest					(0)
Balance (in shares) at Sep. 30, 2021	50,191,647
Balance at Sep. 30, 2021	$ 5	$ 52,146	$ (108,411)	$ (741)	$ (57,001)