Derivative Instrument and Hedging Activity - Accumulated Derivative Instrument Gain (Loss) Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning of period	$ 179,935	$ 167,263
End of period	186,279	152,476
Accumulated Derivative Instrument Gain
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning of period	(1,774)	(179)
Net change associated with current period hedging transactions	1,271	(2,135)
End of period	$ (503)	$ (2,314)