Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - shares shares in Thousands	3 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019
Statement of Stockholders' Equity [Abstract]
Restricted share grants, net settled shares (in shares)	2	18	58	13	17	38