Leases - Summary of Maturities of Operating Lease Liabilities (Details)	Jun. 30, 2019 USD ($)
Operating Lease Liabilities Payments Due [Abstract]
2020	$ 10,579,000
2021	13,787,000
2022	13,469,000
2023	13,450,000
2024	12,016,000
Thereafter	56,598,000
Total lease payments	119,899,000
Less interest	(20,161,000)
Total lease liabilities	$ 99,738,000