Shareholders' Equity - 2012 Long-Term Incentive Plan (Details)	3 Months Ended
Mar. 31, 2020 shares
Shareholders' Equity
Number of shares withheld and repurchased	9,543

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

No definition available.

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