Lease Commitments - Summary of Other Information Related to Leases (Detail) $ in Thousands	3 Months Ended
	Jun. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities
Operating leases - operating cash flows	$ 731
Finance leases - operating cash flows	98
Finance leases - finance cash flows	22
Non-cash leases activity
Right-of-use assets obtained in exchange for new operating lease liabilities	29
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 28
Weighted average remaining lease terms (in years)
Operating leases	32 years 6 months
Finance leases	2 years 6 months
Weighted average discount rate
Operating leases	10.80%
Finance leases	7.40%