Stockholders' Equity (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	Mar. 27, 2019 Right $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 $ / shares shares
Common Stock [Abstract]
Par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01	$ 0.01
Authorized shares (in shares)		85,000,000	85,000,000
Issued shares (in shares)		46,410,000	46,410,000
Outstanding shares (in shares)		40,738,000	40,738,000
Cumulative Preferred Stock [Abstract]
Par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Authorized shares (in shares)		20,000,000	20,000,000
Issued shares (in shares)		0	0
Outstanding shares (in shares)		0	0
Changes in the outstanding shares of Common Stock [Roll Forward]
Common stock outstanding at beginning of period (in shares)		40,738,000	40,738,000
Common stock repurchased for treasury (in shares)		0	0
Issuance of treasury stock (in shares)		0	0
Common stock outstanding at end of period (in shares)		40,738,000	40,738,000
Changes in the treasury shares of Common Stock [Abstract]
Treasury stock held at beginning of period (in shares)		5,672,000	5,672,000
Common stock repurchased for treasury (in shares)		0	0
Issuance of treasury stock (in shares)		0	0
Treasury stock held at end of period (in shares)		5,672,000	5,672,000
Common Stock Repurchase Plan [Abstract]
Common shares repurchased to treasury during period (in shares)		0	0
Aggregate cost of shares repurchased during the period | $		$ 0
Total number of common shares authorized for repurchase (in shares)		10,000,000
Total number of common shares repurchased to date (in shares)		6,226,000
Total number of shares that may yet be repurchased (in shares)		3,774,000
Stockholder Rights Plan [Abstract]
Dividends declared, number of rights per common share | Right	1
Number of shares of common stock to be issued upon exercise of right (in shares)	1
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01	$ 0.01
Exercise price of rights as discount percentage of market value of common stock	50.00%
Minimum percentage of outstanding common shares to be acquired	25.00%
Minimum percentage of outstanding common shares for tender offer	20.00%
Redemption price of rights (in dollars per share) | $ / shares	$ 0.01
Period after accumulation of minimum percentage of common shares to invoke redemption of rights		10 days
Minimum percentage of common shares by a single acquirer or group	20.00%
Percentage of securities that would be issuable upon exercise of Right	50.00%