Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - shares shares in Thousands	3 Months Ended
Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]
Restricted share grants, net settled shares (in shares)	17	38	4	35

Number of shares related to Restricted Stock Award forfeited during the period.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration