Lease - Schedule of Supplemental Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 25,036	$ 27,251
Current portion of operating lease liabilities	7,739	7,871
Non-current portion of operating lease liabilities	20,776	22,159
Total operating lease liabilities	28,515	30,030
Cash paid for amounts included in the measurement of operating lease liabilities	2,471,000	10,137,000
Right-of-use assets obtained in exchange for operating lease liabilities	$ 964,000	$ 4,353,000
Weighted-average remaining lease term for operating leases	5 years 6 months	5 years 6 months
Weighted-average discount rate for operating leases	4.70%	4.70%