Accounting Standards Adopted and Newly Issued Accounting Standards Not Yet Adopted - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses		$ 13,400		$ 11,300
Retained earnings		70,769		$ 61,653
Income tax provision		$ 6,738	$ 9,489
Cumulative Effect, Period Of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses	$ 700
Cumulative Effect, Period Of Adoption, Adjustment | Accounting Standards Update 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses	700
Retained earnings	(500)
Income tax provision	$ (200)