XML 64 R55.htm IDEA: XBRL DOCUMENT v3.23.1
Fair Value Measurements - Financial Assets and Financial Liabilities Measured at Fair Value (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized losses recognized on equity investments still held $ (2,193,000) $ (4,368,000)  
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%
Fair Value Measured at Net Asset Value Per Share      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity investment funds measured at NAV $ 3,000,000   $ 3,000,000
Items measured on a recurring basis      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities available-for-sale 452,195,000   457,648,000
Equity investments 54,440,000   61,942,000
Interest rate derivative asset 92,302,000   113,420,000
Interest rate derivative liability (91,701,000)   (113,473,000)
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
Equity investments 272,000   430,000
Interest rate derivative asset 0   0
Interest rate derivative liability 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 452,195,000   457,648,000
Equity investments 54,168,000   61,511,000
Interest rate derivative asset 92,302,000   113,420,000
Interest rate derivative liability (91,701,000)   (113,473,000)
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
Equity investments 0   0
Interest rate derivative asset 0   0
Interest rate derivative liability 0   0
Items measured on a non-recurring basis      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Equity investments 46,567,000   40,095,000
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 9,700,000   9,635,000
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
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
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
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
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 43,576,000   37,076,000
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 9,700,000   9,635,000
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 43,600,000   37,100,000
Unrealized losses recognized on equity investments still held $ 0   $ 20,000,000