Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Net unrealized gain on available-for-sale securities, net of income tax expense of $128 and $220, respectively	$ 351	$ 393
Net unrealized loss on interest rate swap, net of income tax benefit of $618 and $320, respectively	(1,900)	(375)
Foreign currency translation	(720)	(698)
Accumulated other comprehensive loss	(2,269)	(680)
Unrealized gain on available for sale securities, income tax expense	128	220
Unrealized loss on interest rate swaps, income tax benefit	$ (618)	$ (320)