Leasing Arrangements - Textual (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee Disclosure [Abstract]
Operating lease cost	$ 4,124
Additional operating lease,right-of-use assets resulted from new operating lease liabilities	2,946
Cash paid for amounts included in the measurement of operating lease liabilities	$ 3,872
Weighted average remaining lease term of operating leases	6 years 8 months 12 days
Weighted average discount rate of operating lease liabilities	4.50%