Credit Losses - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Jan. 01, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total stockholders equity	$ 3,385,773	$ 4,189,528		$ 3,032,660	$ 2,768,666
Retained Earnings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total stockholders equity	8,608,284	$ 9,445,245		8,211,257	$ 7,815,486
Cumulative Effect, Period of Adoption, Adjustment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total stockholders equity				(2,112)
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total stockholders equity				$ (2,112)
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2016-13
Accounts, Notes, Loans and Financing Receivable [Line Items]
Retained earnings effect, tax	600
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2016-13 | Retained Earnings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total stockholders equity			$ (2,100)
Retained earnings effect, tax	$ 600