Equity Incentive Awards - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 2.6	$ 3.0
2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	104,734
Restricted Stock \| 2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares categorized as vesting		50.00%
Vesting period	3 years
Fair value of shares issued	$ 3.3
Shares categorized as performance based (percent)		50.00%
Restricted Stock \| 2014 Plan \| Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.33%
Restricted Stock \| 2014 Plan \| Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.33%
Restricted Stock \| 2014 Plan \| Share-based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.33%
Performance Shares \| 2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of shares issued	$ 1.1
Grants in period (in shares)	17,454

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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