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Leases - Schedule of Reconciles the Undiscounted Cash Flows for Direct Financing Lease Liabilities and Operating Lease Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Finance Lease Liability And Operating Lease Liability Maturity [Abstract]
2021	$ 1,658
2022	3,834
2023	3,734
2024	3,588
2025	3,211
Thereafter	13,920
Total lease payments	29,945
Less: amount representing interest	(5,899)
Operating lease liabilities	24,046	$ 25,045
2021	1,154
2022	990
2023	806
2024	646
2025	447
Thereafter	1,321
Total lease payments	5,364
Less: amount representing interest	(2,169)
Present value of lease payments	$ 3,195	$ 3,541

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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