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Income Taxes (Reconciliation of unrecognized tax benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Abstract]
Balance at beginning of year	$ 2,668	$ 875	$ 1,260
Additions for tax positions of prior year	50	51	81
Additions due to new tax positions	0	2,181	0
Reduction for tax positions as a result of lapse of statute of limitation or new information resulting in a change in assessment	(1,990)	(439)	(466)
Balance at end of year	$ 728	$ 2,668	$ 875

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=120406818&loc=SL37586934-109318

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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