CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS UNAUDITED (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Non-cash activity:
Accrued restricted stock award dividends	$ 18	$ 8

Amount of paid and unpaid stock dividends declared for award under share-based payment arrangement.

No definition available.

Name:	us-gaap_DividendsSharebasedCompensationStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration