Benefit Plans - Additional Information (Details) $ in Thousands	1 Months Ended	12 Months Ended			62 Months Ended
	Nov. 30, 2007 participant	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2012 USD ($)
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Maximum contributions of annual participants compensation, percent		80.00%
Maximum contributions of participants bonuses, percent		100.00%
Discretionary contributions by employer		$ 5,431	$ 5,345	$ 5,638
Estimated net periodic benefit cost		242
Deferred compensation plan liabilities, noncurrent		$ 12,744	12,778
Executive Officers and Board of Directors
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Percentage of vested deferred compensation		100.00%
Deferred compensation plan assets		$ 4,505	4,868
Deferred compensation plan liabilities		6,835	7,047
Supplemental Employment Retention Agreement | Deferred Profit Sharing | Executive Officer
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Deferred compensation plan assets		12,494	13,721
Deferred compensation plan liabilities		14,244	14,278
Number of participants in retention agreement | participant	1
Funding of deferred compensations					$ 1,500
Deferred compensation plan liabilities, current		1,500
Deferred compensation plan liabilities, noncurrent		$ 12,744	$ 12,778