Fair Value of Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Fair Value Disclosures [Abstract]
Fair Value off-balance sheet risks, amount, liability	$ 631,469	$ 598,136

The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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