Cash and Cash Equivalents (Details)	Jun. 30, 2019 USD ($)
Restricted Cash and Cash Equivalents Items [Line Items]
Required daily balance with Federal Reserve	$ 1,000,000
Required balance	500,000
Compensating balance, initial margin on interest rate swap	100,000
Compensating balance, fair value exposure on interest rate swap	300,000
Federal Reserve Bank
Restricted Cash and Cash Equivalents Items [Line Items]
Required balance	$ 0