Premises and Equipment - Leases (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Consolidated statements of financial condition classification of our ROU assets and lease liabilities.
Lease ROU assets	$ 2,538
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets
Lease liabilities	$ 2,597
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accounts Payable and Other Accrued Liabilities
Options to renew	true
Weighted-average remaining lease term	11 years 2 months 12 days
Weighted-average discount rate	3.17%