Leases (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($)		Sep. 30, 2019 USD ($)
Components of operating leases [Abstract]
Operating lease cost	$ 565		$ 1,692
Variable lease cost	43		115
Short-term lease cost	4		14
Total	612		1,821
Supplemental balance sheet information related to operating leases [Abstract]
Lease right of use asset	6,244	[1]	6,244	[1]
Lease liabilities	$ 6,257	[2]	$ 6,257	[2]
Weighted average remaining lease term (years)	5 years 6 months		5 years 6 months
Weighted average discount rate	3.20%		3.20%
Maturities of lease liabilities [Abstract]
Three months ending December 31, 2019	$ 543		$ 543
2020	1,790		1,790
2021	1,269		1,269
2022	963		963
2023	925		925
2024 and thereafter	1,381		1,381
Total lease payments	6,871		6,871
Less imputed interest	(614)		(614)
Total	$ 6,257	[2]	$ 6,257	[2]

[1] Included in Accrued income and other assets in our Condensed Consolidated Statements of Financial Condition.

[2] Included in Accrued expenses and other liabilities in our Condensed Consolidated Statements of Financial Condition.