Common Stock Repurchase Program (Details) shares in Thousands						3 Months Ended	12 Months Ended			13 Months Ended
	Feb. 09, 2022 USD ($)	Oct. 21, 2021 USD ($)	Mar. 13, 2020 USD ($) repurchaseProgram	Mar. 04, 2020 USD ($)	Aug. 26, 2019 USD ($)	Mar. 31, 2020 USD ($) shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) shares	Feb. 09, 2022 USD ($) shares
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock, value							$ 10,118,000	$ 25,000,000	$ 6,406,000
Number of stock repurchase programs | repurchaseProgram			2
October 21, 2021 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount		$ 20,000,000
Stock repurchase program, period in force		12 months
Repurchase of common stock (in shares) | shares							132
Repurchase of common stock, value							$ 10,118,000
October 21, 2021 Repurchase Program | Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock (in shares) | shares										133
Repurchase of common stock, value										$ 9,882,000
February 9, 2022 Repurchase Program | Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 20,000,000									$ 20,000,000
Stock repurchase program, period in force	12 months
March 4, 2020 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount				$ 20,000,000
Stock repurchase program, period in force				12 months
Repurchase of common stock (in shares) | shares						503
Repurchase of common stock, value						$ 20,000,000
March 13, 2020 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount			$ 5,000,000
Stock repurchase program, period in force			12 months
Repurchase of common stock (in shares) | shares						189
Repurchase of common stock, value						$ 5,000,000
August 26, 2019 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount					$ 20,000,000
Stock repurchase program, period in force					12 months
Repurchase of common stock (in shares) | shares									138
Repurchase of common stock, value									$ 6,406,000