Equity - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended			9 Months Ended		10 Months Ended
	Oct. 28, 2020	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Oct. 28, 2020	Nov. 05, 2019
Class Of Stock [Line Items]
Common stock shares authorized amount								$ 200,000,000
Stock repurchased, value		$ 8,520,000	$ 100,000,000	$ 82,517,000	$ 108,520,000	$ 89,005,000
Stock repurchased, price per share		$ 6.91	$ 9.21
Subsequent Event [Member]
Class Of Stock [Line Items]
Stock repurchased, value	$ 11,480,000						$ 120,000,000
Stock repurchased, price per share	$ 6.66						$ 8.69
Stock repurchase amount available for future repurchase	$ 80,000,000						$ 80,000,000
Common Stock [Member]
Class Of Stock [Line Items]
Stock repurchased		1,233,190	10,856,865	6,252,000	12,090,000	6,726,000
Stock repurchased, value		$ 12,000		$ 62,000	$ 121,000	$ 67,000
Common Stock [Member] | Subsequent Event [Member]
Class Of Stock [Line Items]
Stock repurchased	1,723,103						13,813,158