Business Combinations (PDX, Inc. - Narrative) (Details) - PDX, Inc. [Member] $ in Thousands	Jun. 01, 2020 USD ($)
Business Acquisition [Line Items]
Ownership interest acquired	100.00%
Total consideration	$ 198,291

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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