Current Accounting Developments - Leases (Details) $ in Thousands	Sep. 30, 2019 USD ($) Office store		Jan. 01, 2019 USD ($)
Leases
Number of branch locations | store	21
Number of ATM locations | store	3
Number of administration offices | Office	1
Right-of-use assets | $	$ 8,677		$ 10,000
Operating lease liabilities | $	$ 9,281	[1]	$ 10,000

[1] Lease liability is included in other liabilities