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Leases - Summary of maturities of lease matirities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
2020	$ 1,073
2021	1,090
2022	869
2023	641
2024	276
Thereafter	113
Undiscounted lease cash flow commitments	4,062
Reconciling impact from discounting	(497)
Lease liabilities on consolidated balance sheet as of December 31, 2019	3,565	$ 4,269
2020	65
2021	30
2022	9
2023	0
2024	0
Thereafter	0
Undiscounted lease cash flow commitments	104
Reconciling impact from discounting	(9)
Lease liabilities on consolidated balance sheet as of December 31, 2019	$ 95	$ 180

X

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

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