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Stockholders' Equity - Additional Information (Detail) - Common Stock [Member] - shares	1 Months Ended			3 Months Ended
	Jun. 30, 2021	Feb. 28, 2021	Jun. 30, 2020	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020
Sale Of Stock [Line Items]
Restricted stock units vested shares				36,000	109,419	119,834
Restricted Stock Units [Member] \| Director [Member]
Sale Of Stock [Line Items]
Restricted stock units vested shares	36,000		24,000
Vesting period of awards granted	1 year		1 year
Performance Restricted Stock Units [Member] \| Executive Officers [Member]
Sale Of Stock [Line Items]
Restricted stock units vested shares					76,750	95,834
Time-based Restricted Stock Units [Member] \| Executive Officers [Member]
Sale Of Stock [Line Items]
Restricted stock units vested shares		32,669
Vesting period of awards granted		3 years