CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Income tax (expense) benefit	$ (685)	[1]
Scenario, Adjustment | ASU 2018-02
Income tax (expense) benefit	$ (300)

[1] Income tax expense for the year ended December 31, 2018 includes $0.3 million of income tax expense related to the adoption of ASU 2018-02. The new guidance was effective January 1, 2018, and allowed a reclassification from accumulated other comprehensive loss to retained earnings for stranded tax effects resulting from the Tax Act. See Note 2. Summary of Significant Accounting Policies.