Fair Value Measurements - Financial Assets and Financial Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	$ 0		$ 0		$ 106
Unrealized gain (loss) recognized on equity securities still held	3,362	$ (466)	$ (8,853)	$ 274
Measurement Input, Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Minimum range of unobservable inputs			0.00%		0.00%
Maximum range of unobservable inputs			8.00%		8.00%
Measurement Input, Appraisal Adjustments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Minimum range of unobservable inputs			0.00%		0.00%
Maximum range of unobservable inputs			10.00%		10.00%
Items measured on a recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	470,300		$ 470,300		$ 568,255
Equity investments	62,343		62,343		90,726
Interest rate derivative asset	122,605		122,605		22,787
Interest rate derivative liability	(122,618)		(122,618)		(22,855)
Items measured on a recurring basis | Level 1 Inputs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0		0		0
Equity investments	566		566		14,608
Interest rate derivative asset	0		0		0
Interest rate derivative liability	0		0		0
Items measured on a recurring basis | Level 2 Inputs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	470,300		470,300		568,255
Equity investments	61,777		61,777		73,400
Interest rate derivative asset	122,605		122,605		22,787
Interest rate derivative liability	(122,618)		(122,618)		(22,855)
Items measured on a recurring basis | Level 3 Inputs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0		0		0
Equity investments	0		0		2,718
Interest rate derivative asset	0		0		0
Interest rate derivative liability	0		0		0
Items measured on a non-recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	19,379		19,379		10,429
Other real estate owned					106
Items measured on a non-recurring basis | Loans measured for impairment based on the fair value of the underlying collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral	7,268		7,268		16,233
Items measured on a non-recurring basis | Level 1 Inputs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	0		0		0
Other real estate owned					0
Items measured on a non-recurring basis | Level 1 Inputs | Loans measured for impairment based on the fair value of the underlying collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral	0		0		0
Items measured on a non-recurring basis | Level 2 Inputs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	0		0		0
Other real estate owned					0
Items measured on a non-recurring basis | Level 2 Inputs | Loans measured for impairment based on the fair value of the underlying collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral	0		0		0
Items measured on a non-recurring basis | Level 3 Inputs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	19,379		19,379		10,429
Other real estate owned					106
Items measured on a non-recurring basis | Level 3 Inputs | Loans measured for impairment based on the fair value of the underlying collateral
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral	7,268		7,268		$ 16,233
Items measured on a non-recurring basis | Fair Value Measured at Net Asset Value Per Share
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity investments	16,800		$ 16,800
Unrealized gain (loss) recognized on equity securities still held	$ 2,500