Basis of Presentation - Additional Information (Details) - USD ($)	Sep. 30, 2019	Jun. 30, 2019	Jan. 01, 2019
Disaggregation Of Revenue [Line Items]
Operating Lease, Liability	$ 2,090,000
Result of reclassification of allowance for loan loss to other liabilities		$ 86,000
ASU 2016-02 [Member]
Disaggregation Of Revenue [Line Items]
Operating Lease, Right-of-Use Asset	2,000,000		$ 2,000,000
Operating Lease, Liability	$ 2,100,000		$ 2,100,000