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Qualified Affordable Housing Projects and Other Tax Credit Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Investment Holdings [Line Items]
Investment	$ 74,290		$ 74,290		$ 62,000
Unfunded Commitment	31,133		31,133		30,105
Amortization Expense	2,599	$ 3,891	7,339	$ 11,246
Tax Expense (Benefit) Recognized	(2,650)	(4,756)	(7,665)	(10,214)
LIHTC
Investment Holdings [Line Items]
Investment, Proportional amortization	41,033		41,033		33,609
Unfunded Commitment, Proportional amortization	14,283		14,283		6,845
Amortization Expense	863	776	2,588	2,329
Tax Expense (Benefit) Recognized	(1,135)	(1,015)	(3,407)	(3,053)
FHTC
Investment Holdings [Line Items]
Investment, Equity	21,288		21,288		18,660
Unfunded Commitment, Equity	16,850		16,850		22,398
Amortization Expense	1,151	816	2,510	5,959
Tax Expense (Benefit) Recognized	(1,052)	(1,479)	(2,308)	(4,191)
NMTC
Investment Holdings [Line Items]
Investment, Equity	9,675		9,675		6,120
Unfunded Commitment, Equity	0		0		0
Amortization Expense	375		1,125
Tax Expense (Benefit) Recognized	(463)		(1,388)
Renewable Energy
Investment Holdings [Line Items]
Investment, Equity	2,294		2,294		3,611
Unfunded Commitment, Equity	0		0		$ 862
Amortization Expense	210	2,299	1,116	2,958
Tax Expense (Benefit) Recognized	$ 0	$ (2,262)	$ (562)	$ (2,970)

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Investments in qualified affordable housing projects.

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Amount of affordable housing tax credits and other tax benefits recognized.

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Amount of investment in qualified affordable housing projects.

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Amount of commitment or contingent commitments to qualified affordable housing project investments.

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