Stock-Based Compensation - Stock Appreciation Rights (Details) - SARs - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Number of SAR’s
Awards outstanding, beginning balance (in shares)	681,462	900,302	1,036,677
Granted (in shares)	0	0	0
Exercised (in shares)	(348,084)	(218,760)	(85,652)
Forfeited (in shares)	(20,403)	(80)	(50,723)
Awards outstanding, ending balance (in shares)	312,975	681,462	900,302
Number of SAR's - SAR's exercisable (in shares)	312,975
Number of SAR's - SAR's expected to vest (in shares)	0
Weighted Average Exercise Price (in dollars per share)
SAR's outstanding - beginning balance (in dollars per share)	$ 10.27	$ 10.12	$ 10.19
Granted (in dollars per share)	0	0	0
Exercised (in dollars per share)	9.92	9.67	10.54
Forfeited (in dollars per share)	10.54	9.26	10.82
SAR's outstanding - ending balance (in dollars per share)	10.64	$ 10.27	$ 10.12
Weighted Average Exercise Price - SAR's exercisable (in dollars per share)	10.64
Weighted Average Exercise Price - SAR's expected to vest (in dollars per share)	$ 0
Weighted Average Contractual Term - SAR's outstanding	2 years 3 months 18 days	3 years	3 years 9 months 18 days
Weighted Average Contractual Term - SAR's expected to vest	2 years 3 months 18 days