Equity Based Compensation Plans - Narrative (Details)		1 Months Ended	12 Months Ended				24 Months Ended
	Dec. 09, 2014 shares	Dec. 31, 2013 shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 09, 2015	Dec. 31, 2011 shares	May 31, 2018 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized | shares								2,000,000
Accelerated share-based compensation cost			$ 3,500,000	$ 3,500,000	$ 3,500,000
Intrinsic value of the options outstanding and fully vested			$ 200,000	$ 22,500,000
Average fair value of stock options granted (in dollars per share) | $ / shares			$ 23.39	$ 24.68	$ 20.69
Cap on the appreciation of the market price over the exercise price			$ 100
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense			11,400,000	$ 11,700,000	$ 12,900,000
Stock-based compensation capitalized			700,000	900,000	1,300,000
Intrinsic value of options exercised			7,600,000	$ 25,700,000	$ 7,400,000
Unrecognized compensation cost			$ 3,700,000
Unrecognized compensation cost, period for recognition			2 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost			$ 13,800,000
Unrecognized compensation cost, period for recognition			2 years
Granted (in shares) | shares			72,838	50,349	45,196
2015 LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) | shares	44,750
Units issued subject only to performance measurement (in shares) | shares	24,000
Vesting percentage of units per year	20.00%
Option grants to officers and employees vesting period	5 years
Percent of awards earned						95.75%
Liquidity measurement period			10 years
Measurement period			10 years
Conversion ratio, incentive units			1
Series Z Incentive Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) | shares		50,500					154,500
Option grants to officers and employees vesting period		4 years
Conversion ratio, incentive units							1
Series Z Incentive Units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage of units per year							0.00%
Option grants to officers and employees vesting period			8 years
Series Z Incentive Units | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage of units per year							14.00%
Option grants to officers and employees vesting period			15 years
Long Term Incentive Plan 2014 Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage of units per year		25.00%
Liquidity measurement period			10 years
Measurement period			10 years
Conversion ratio, incentive units			1
Vesting percentage for 2011 Z 1 Units to be convertible							100.00%
Long Term Incentive Plans - Z Units and 2014 LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense			$ 0	$ 0	$ 0
Stock-based compensation capitalized			0	$ 0	$ 0
Unrecognized compensation cost			$ 0
Granted (in shares) | shares			0	0	0
Intrinsic value of vested and unvested LTIP units			$ 22,500,000