Subsequent Event	6 Months Ended
Jun. 30, 2020
Subsequent Events [Abstract]
Subsequent Event	17. Subsequent Event On July 21, 2020, the Company closed the sale of $497 million of energy-related loans, substantially all of which were part of its commercial non-real estate portfolio, for $254.4 million, net of selling costs. As such, on June 30, 2020, the Company recorded a provision for credit losses of $160.1 million to write the loans down to observable market price less cost to sell, consisting of a charge-off of $242.6 million and a release of $82.5 million of existing credit loss reserves. As of June 30, 2020, the remaining carrying balance of $254.4 million is classified in loans held for sale on the consolidated balance sheet.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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