Other Assets (Software package amortization) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Other assets acquired [Line Items]
Gross Carrying Amount	$ 117,894	$ 93,404
Software Intangible assets
Other assets acquired [Line Items]
Gross Carrying Amount	188,850	142,988
Accumulated Amortization	70,956	49,584
Net Carrying Value	117,894	93,404
Software Intangible assets | Software development costs
Other assets acquired [Line Items]
Gross Carrying Amount	83,179	76,497
Accumulated Amortization	28,978	22,086
Net Carrying Value	54,201	54,411
Software Intangible assets | Software license costs
Other assets acquired [Line Items]
Gross Carrying Amount	49,072	42,868
Accumulated Amortization	29,477	18,048
Net Carrying Value	19,595	24,820
Software Intangible assets | Cloud computing arrangements
Other assets acquired [Line Items]
Gross Carrying Amount	56,599	23,623
Accumulated Amortization	12,501	9,450
Net Carrying Value	$ 44,098	$ 14,173