Goodwill and Other Intangible Assets (Details Textuals) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020	Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Valuation Allowance for Impairment of Recognized Servicing Assets, Additions (Deductions) for Expenses (Recoveries)	$ (10,239)	$ 17,704
Goodwill [Line Items]
Goodwill	1,104,992	1,109,300
Whitnell
Goodwill [Line Items]
Goodwill			$ (4,000)
Other Intangibles | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Goodwill [Line Items]
Decrease of other intangible assets	$ 1,317	$ 17,435