Leases - Schedule of Components of Lease Expense and Other lease Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 1,351	$ 1,406
Variable lease cost	384	355
Sublease income	(123)
Total lease cost	1,612	1,761
Cash paid for amounts included in measurement of lease liabilities
Operating cash outflows from operating leases	1,488	1,486
ROU assets obtained in exchange for new operating lease liabilities	58	15
Reduction to ROU assets resulting from reduction to lease liabilities	59
Other non-cash reductions to ROU assets		$ 1,192
Operating lease ROU assets	$ 14,952		$ 16,200
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Other assets		Other assets
Operating lease liabilities	$ 17,676		$ 19,072
Operating Lease, Liability, Statement of Financial Position	Other liabilities		Other liabilities
Weighted-average remaining lease term - operating leases	3 years 8 months 4 days		3 years 10 months 13 days
Weighted-average discount rate - operating leases	2.33%		2.32%