Leases - Schedule of Components of Lease Expense and Other lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 1,328	$ 1,370	$ 2,679	$ 2,776
Variable lease cost	357	320	741	675
Sublease income	(123)	(42)	(246)	(42)
Total lease cost	1,562	1,648	3,174	3,409
Cash paid for amounts included in measurement of lease liabilities
Operating cash outflows from operating leases	1,477	$ 1,503	2,965	2,990
ROU assets obtained in exchange for new operating lease liabilities	206		265	15
Reduction to ROU assets resulting from reduction to lease liabilities	1,191		1,250
Other non-cash reductions to ROU assets				$ 1,192
Operating lease ROU assets	$ 12,735		$ 12,735		$ 16,200
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Other assets		Other assets		Other assets
Operating lease liabilities	$ 15,170		$ 15,170		$ 19,072
Operating Lease, Liability, Statement of Financial Position	Other liabilities		Other liabilities		Other liabilities
Weighted-average remaining lease term - operating leases	3 years 6 months 25 days		3 years 6 months 25 days		3 years 10 months 13 days
Weighted-average discount rate - operating leases	2.35%		2.35%		2.32%