Derivatives - Summary of Designated Derivative Instruments Classified as Derivative Liabilities (Details) - Interest Rate Swaps	6 Months Ended
	Jun. 30, 2016 USD ($) Instrument	Apr. 30, 2016 USD ($)	Jan. 31, 2015 USD ($)
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Notional Amount		$ 13,100,000	$ 109,100,000
Contract Quantity - Four
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Quantity | Instrument	4
Maturity Dates	Oct. 31, 2028
Notional Amount	$ 109,143,000
Fair Market Value	9,480,000
Credit Risk Adjustment	(709,000)
Adjusted Fair Market Value	$ 8,771,000
Contract Quantity - One
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Quantity | Instrument	1
Maturity Dates	Aug. 31, 2022
Hedge Interest Rates	1.27%
Notional Amount	$ 13,094,000
Fair Market Value	309,000
Credit Risk Adjustment	(10,000)
Adjusted Fair Market Value	$ 299,000
Minimum | Contract Quantity - Four
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Hedge Interest Rates	2.17%
Maximum | Contract Quantity - Four
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Hedge Interest Rates	2.18%