Stockholders' Equity - Restricted and Performance Stock Activity (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested, shares beginning of period (in shares)	604,310
Granted (in shares)	389,778
Vested (in shares)	(153,488)
Forfeited (in shares)	(68,842)
Unvested, shares end of period (in shares)	771,758
Weighted Average Grant Date Fair Value
Unvested, beginning balance (USD per share) | $ / shares	$ 71.50
Granted (USD per share) | $ / shares	136.23
Vested (USD per share) | $ / shares	73.98
Forfeited (USD per share) | $ / shares	90.45
Unvested, ending balance (USD per share) | $ / shares	$ 102.01
RSAs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested, shares beginning of period (in shares)	399,795
Granted (in shares)	243,353
Vested (in shares)	(139,828)
Forfeited (in shares)	(55,640)
Unvested, shares end of period (in shares)	447,680
PSAs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested, shares beginning of period (in shares)	3,132
Granted (in shares)	0
Vested (in shares)	(3,132)
Forfeited (in shares)	0
Unvested, shares end of period (in shares)	0
PSUs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested, shares beginning of period (in shares)	201,383
Granted (in shares)	146,425
Vested (in shares)	(10,528)
Forfeited (in shares)	(13,202)
Unvested, shares end of period (in shares)	324,078