Stock-Based Compensation (Stock-based Compensation Expense) (Details) $ in Thousands	Mar. 31, 2021 USD ($)
Share-based Payment Arrangement [Abstract]
2021	$ 2,565
2022	2,216
2023	1,372
2024	231
2025	12
Total	$ 6,396

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant