Basis of Presentation (Details) - USD ($) $ in Thousands	Jun. 01, 2020	May 29, 2020
Opus Bank
Business Acquisition [Line Items]
Business combination, consideration transferred	$ 749,605	$ 749,605

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
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