Lease Obligations - Schedule of Lease Liability (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Leases [Abstract]
2019	$ 4,059
2020	17,736
2021	17,611
2022	17,618
2023	17,752
2024 and thereafter	115,842
Total minimum lease payments	190,618
Discount	(30,783)	[1]
Lease liability	$ 159,835	[2]

[1] Represents the net present value adjustment related to minimum lease payments.

[2] Included in accrued interest payable and other liabilities in the Consolidated Statements of Financial Condition.