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Unamortized Stock-Based Compensation Expenses (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-Based Compensation	$ 1,067	$ 1,273	$ 2,541	$ 2,836
Unamortized Stock-Based Compensation	12,862	13,534	12,862	13,534
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-Based Compensation	1,211	1,079	2,410	2,072
Unamortized Stock-Based Compensation	9,147	9,277	$ 9,147	$ 9,277
Remaining Weighted Average Period (years)			2 years 2 months 12 days	2 years 2 months 12 days
Unrestricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-Based Compensation	130	122	$ 260	$ 239
Unamortized Stock-Based Compensation	477	476	$ 477	$ 476
Remaining Weighted Average Period (years)			10 months 24 days	10 months 24 days
Performance Based Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-Based Compensation	(274)	72	$ (129)	$ 525
Unamortized Stock-Based Compensation	$ 3,238	$ 3,781	$ 3,238	$ 3,781
Remaining Weighted Average Period (years)			2 years 2 months 12 days	2 years 1 month 6 days

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