Employee Benefits and Share-Based Compensation - Summary of Performance-Based Restricted Stock Activity (Details) - Performance-Based Restricted Stock - 2009 Plan shares in Thousands	6 Months Ended
	Jun. 30, 2022 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	144
Granted (Awarded) (in shares) | shares	78
Additional granted based on performance achievement (in shares) | shares	51
Vested (Released) (in shares) | shares	(84)
Forfeited (in shares) | shares	(1)
Outstanding and unvested at end of period (in shares) | shares	188
Weighted-Average Grant Date Fair Value
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 118.71
Granted (Awarded) (in dollars per share) | $ / shares	155.27
Additional granted based on performance achievement (in dollars per share) | $ / shares	156.79
Vested (Released) (in dollars per share) | $ / shares	117.37
Forfeited (in dollars per share) | $ / shares	178.81
Outstanding and unvested at end of period (in dollars per share) | $ / shares	$ 144.76