Leases - Schedule of Lease-related Assets and Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Right-of-use assets - operating	$ 19,341	$ 21,191
Right-of-use assets - finance	931	987
Total lease assets	20,272
Liabilities
Lease liability - operating	19,982	21,844
Lease liability - finance	4,039	$ 4,191
Total lease liabilities	$ 24,021