Derivatives - Summary of Derivative Instruments (Details) - Interest rate swaps $ in Thousands	Mar. 31, 2018 USD ($) Instrument
Interest rate swap, 8/31/2022-9/30/2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	2
Notional amount	$ 27,256
Derivative asset, fair market value	$ 715
Interest rate swap, 8/31/2022-9/30/2022 | Minimum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	1.27%
Interest rate swap, 8/31/2022-9/30/2022 | Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.37%
Interest rate swap, 4/30/2024-10/31/2024
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	10
Notional amount	$ 335,740
Derivative asset, fair market value	$ 6,259
Interest rate swap, 4/30/2024-10/31/2024 | Minimum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.16%
Interest rate swap, 4/30/2024-10/31/2024 | Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.69%
Interest rate swap, 10/31/2028
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	4
Notional amount	$ 124,637
Derivative asset, fair market value	$ 4,365
Interest rate swap, 10/31/2028 | Minimum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.17%
Interest rate swap, 10/31/2028 | Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.18%
Interest rate swap, 6/20/2030
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	1
Hedge interest rates	2.57%
Notional amount	$ 67,013
Derivative asset, fair market value	$ 551
Interest rate swap, 9/30/2031
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	1
Hedge interest rates	3.23%
Notional amount	$ 9,435
Derivative liability, fair market value	$ 156
Interest rate swap, 4/20/2032
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	1
Hedge interest rates	2.60%
Notional amount	$ 33,409
Derivative liability, fair market value	$ 287
Interest rate swap, 7/31/2034
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	5
Notional amount	$ 144,379
Derivative asset, fair market value	$ 1,645
Interest rate swap, 7/31/2034 | Minimum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.48%
Interest rate swap, 7/31/2034 | Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	3.04%
Interest rate swap, 7/31/2035
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	5
Notional amount	$ 150,175
Derivative liability, fair market value	$ 722
Interest rate swap, 7/31/2035 | Minimum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.56%
Interest rate swap, 7/31/2035 | Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.95%
Interest rate swap, 10/31/2036
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Quantity | Instrument	5
Notional amount	$ 182,267
Derivative liability, fair market value	$ 690
Interest rate swap, 10/31/2036 | Minimum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.62%
Interest rate swap, 10/31/2036 | Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedge interest rates	2.95%