Debt - Additional Information (Details) | May 08, 2017USD ($) | Feb. 10, 2017USD ($)Agreement | Feb. 09, 2017USD ($) | Mar. 31, 2017USD ($) | Mar. 31, 2016USD ($) | Dec. 31, 2016USD ($) |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility maximum borrowing capacity | | | $ 300,000,000 | $ 261,900,000 | | |
Line of credit facility maturity date | | | 2017-11 | | | |
Debt instrument description | | | | The revolving credit facility has one 12-month extension option, subject to certain conditions, including the payment of a 0.15% extension fee. | | |
Debt instrument, extension fee | | | | 0.15% | | |
Debt instrument collateral amount | | $ 1,000,000,000 | | | | |
Line of credit facility minimum borrowing base | | 500,000,000 | | | | |
Commitment fees paid | | $ 2,700,000 | | | | |
Amortization expense of deferred financing costs | | | | $ 300,000 | $ 700,000 | |
Number of interest rate swap agreements | Agreement | | 4 | | | | |
Interest rate swap agreement effective date | | Apr. 10, 2017 | | | | |
Estimated additional reclassification from other comprehensive income to interest expense | | | | 700,000 | | |
Derivatives net liability position including accrued interest but excluding adjustment for nonperformance risk | | | | 0 | | |
Derivative Relationships | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Reclassification from accumulated comprehensive income | | | | 0 | | |
Interest Rate Swap Agreements | Other Assets | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Fair value of derivative financial instruments | | | | $ 400,000 | | |
Subsequent Event | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility outstanding amount | $ 156,500,000 | | | | | |
Maximum | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility leverage ratio | | 50.00% | | | | |
LIBOR | Minimum | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Debt instrument interest rate | | 1.75% | 2.75% | | | |
LIBOR | Maximum | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Debt instrument interest rate | | 3.00% | 3.75% | | | |
Base Rate | Minimum | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Debt instrument interest rate | | 0.75% | 2.00% | | | |
Base Rate | Maximum | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Debt instrument interest rate | | 2.00% | 2.50% | | | |
Term Loan | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility maximum borrowing capacity | | $ 125,000,000 | | | | |
Line of credit facility maturity date | | | | 2022-02 | | |
Deferred financing costs, net | | | | $ 800,000 | | |
Term Loan | Subsequent Event | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility outstanding amount | 125,000,000 | | | | | |
Accordion Feature Debt | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility maximum borrowing capacity | | 700,000,000 | | | | |
Secured Revolving Credit facility | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility maximum borrowing capacity | | 300,000,000 | | | | |
Line of credit facility maturity date | | | | 2021-02 | | |
Debt instrument, weighted average interest | | | | 2.60% | 3.70% | |
Commitment fees paid | | $ 1,900,000 | | | | |
Costs related to revolving credit facility, gross | | | | $ 3,200,000 | | |
Costs related to revolving credit facility, net | | | | 3,100,000 | | |
Line of credit facility outstanding amount | | | | $ 31,500,000 | | $ 144,000,000 |
Secured Revolving Credit facility | Subsequent Event | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility outstanding amount | $ 31,500,000 | | | | | |
Line of credit facility interest rate | 2.74% | | | | | |
Line of credit facility additional borrowing capacity | $ 105,400,000 | | | | | |
Secured Revolving Credit facility | Minimum | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility unused fees | | | | 0.25% | | |
Line of credit facility usage fees | | | | 50.00% | | |
Secured Revolving Credit facility | Maximum | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Line of credit facility unused fees | | | | 0.35% | | |
Line of credit facility usage fees | | | | 50.00% | | |
Secured Revolving Credit facility | LIBOR | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Debt instrument interest rate | | 1.84% | | | | |
Secured Revolving Credit facility | LIBOR | Subsequent Event | | | | | | |
Debt Instrument [Line Items] | | | | | | |
Debt instrument interest rate | 1.75% | | | | | |