Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	May 08, 2019
Entity Registrant Name	PETROQUEST ENERGY INC
Entity Central Index Key	0000872248
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	true
Common Class A
Entity Common Stock, Shares Outstanding		9,371,120
Common Class B
Entity Common Stock, Shares Outstanding		1
Common Class C
Entity Common Stock, Shares Outstanding		1