Accumulated Other Comprehensive Loss - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Summary of changes in accumulated other comprehensive loss
Beginning Balance	$ 542,650	$ 542,140	$ 529,670	$ 533,111
Amounts reclassified from accumulated other comprehensive loss		(61)	(3)	(59)
Total other comprehensive income (loss), net of tax	17	(420)	(1,178)	184
Ending Balance	552,420	522,550	552,420	522,550
Accumulated Other Comprehensive (Loss) Income
Summary of changes in accumulated other comprehensive loss
Beginning Balance	(1,530)	(70)	(335)	(674)
Other comprehensive income (loss) before reclassifications			(1,175)
Amounts reclassified from accumulated other comprehensive loss			(3)
Total other comprehensive income (loss), net of tax	17	(420)	(1,178)	184
Ending Balance	(1,513)	$ (490)	(1,513)	$ (490)
Unrealized (loss) and gain on available for sale securities
Summary of changes in accumulated other comprehensive loss
Beginning Balance			(84)
Other comprehensive income (loss) before reclassifications			100
Amounts reclassified from accumulated other comprehensive loss			(3)
Total other comprehensive income (loss), net of tax			97
Ending Balance	13		13
Unrealized loss Cash flow hedge, Interest rate swap
Summary of changes in accumulated other comprehensive loss
Beginning Balance			(251)
Other comprehensive income (loss) before reclassifications			(1,275)
Total other comprehensive income (loss), net of tax			(1,275)
Ending Balance	$ (1,526)		$ (1,526)