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Future Minimum Lease Payments Under Non-cancelable Operating Leases (Detail) - USD ($) $ in Thousands		Dec. 31, 2022		Dec. 31, 2021
Leases [Abstract]
Operating leases, 2023	[1]	$ 2,995
Operating leases, 2024	[1]	2,799
Operating leases, 2025	[1]	2,831
Operating leases, 2026	[1]	2,650
Operating leases, 2027	[1]	1,590
Operating leases, thereafter	[1]	3,241
Total future minimum lease payments	[1]	16,106
Less: amount representing interest	[1]	405
Present value of minimum lease payments		15,701	[1]	$ 19,079
Expected sublease income, 2023		291
Expected sublease income, 2024		297
Expected sublease income, 2025		388
Expected sublease income, 2026		342
Expected sublease income, 2027		0
Expected sublease income, thereafter		0
Total future minimum lease payments		1,318
Less: amount representing interest		0
Present value of minimum lease payments		$ 1,318
[1] Includes future minimum lease payments of $4.6 million on leases that have been impaired because the property is no longer in use.

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Lessee operating lease liability expected sublease income payments due after year five.

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Lessee operating lease liability expected sublease income payments due next twelve months.

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Lessee operating lease liability expected sublease income payments due year five.

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Lessee operating lease liability expected sublease income payments due year four.

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Lessee operating lease liability expected sublease income payments due year three.

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Lessee operating lease liability expected sublease income payments due year two.

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Lessee operating lease liability expected sublease income undiscounted excess amount.

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
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Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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

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

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