Subordinated Notes (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($)
Subordinated Borrowing [Line Items]
Basis spread on variable rate (percent)	1.48%
Trust I
Subordinated Borrowing [Line Items]
Preferred securities issued	$ 15.0
Junior subordinated notes
Subordinated Borrowing [Line Items]
Junior subordinated debt purchased by Trust I	$ 15.5

The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

Name:	us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration