Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a financial asset repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same financial asset at a date certain for a specified price. Includes repurchase-to-maturity transactions and liabilities not subject to a master netting arrangement.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The number of real estate properties owned as of the balance sheet date.

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Amount of long-term debt classified as other.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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FHLB Advances, Other Borrowings and Subordinated Notes (Narrative) (Details) $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	77 Months Ended
	Dec. 31, 2014 CAD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2022 USD ($) building Rate	Dec. 31, 2014 USD ($)	May 31, 2020 CAD ($)	Dec. 31, 2021 USD ($)	Dec. 23, 2021 USD ($)	Oct. 06, 2021	Jun. 30, 2021 USD ($)	Mar. 31, 2020 USD ($)	Sep. 18, 2018 USD ($)
Debt Instrument [Line Items]
Outstanding borrowings			$ 69,619,000			$ 80,319,000			$ 91,016,000
Other borrowings			62,283,000			63,292,000			64,217,000
Secured borrowings			334,467,000			341,327,000			347,663,000
Subordinated notes			437,162,000			436,938,000			436,719,000
Collateral Pledged
Debt Instrument [Line Items]
Pledged financial instruments			$ 25,900,000
Revolving Credit Facility
Debt Instrument [Line Items]
Commitment fee \| Rate			0.30%
Line of Credit
Debt Instrument [Line Items]
Increase to borrowing							$ 50,000,000
Borrowing capacity							$ 100,000,000
Securities sold under repurchase agreements \| Overnight Sweep Collateral
Debt Instrument [Line Items]
Securities sold under agreements to repurchase			$ 16,418,000			9,200,000			15,600,000
Pledged financial instruments			$ 25,927,000
Fixed Rate Promissory Note
Debt Instrument [Line Items]
Number of properties securing debt \| building			3
Other borrowings			$ 62,300,000			63,300,000			64,200,000
Trust Preferred Securities										$ 66,400,000
Fixed interest rate			1.70%					1.70%		3.00%
Secured Debt
Debt Instrument [Line Items]
Secured borrowings			$ 8,500,000
Term Facility
Debt Instrument [Line Items]
Outstanding borrowings											$ 150,000,000
Term Facility \| Base Rate Loan \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.75%
Term Facility \| Eurodollar Rate Loan \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate			1.25%
Revolving Credit Facility
Debt Instrument [Line Items]
Outstanding borrowings											$ 100,000,000
Amount outstanding			$ 0
Revolving Credit Facility \| Base Rate Loan \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.60%
Revolving Credit Facility \| Base Rate Loan \| Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.50%
Revolving Credit Facility \| Base Rate Loan \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate			1.10%
Revolving Credit Facility \| Base Rate Loan \| Eurodollar rate
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
Revolving Credit Facility \| Eurodollar Rate Loan \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate			1.45%
Receivables Purchase Agreement \| Secured Debt
Debt Instrument [Line Items]
Proceeds from debt issuance	$ 150				$ 420
Secured borrowings			$ 326,000,000			$ 332,200,000			$ 338,500,000
Receivables Purchase Agreement \| Secured Debt \| Canadian Commercial Paper Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.78%
Subordinated debt maturing June 2029
Debt Instrument [Line Items]
Proceeds from common stock offering, net		$ 296,700,000
Subordinated debt maturing June 2029 \| Subordinated Debt
Debt Instrument [Line Items]
Trust Preferred Securities		$ 300,000,000
Fixed interest rate		4.85%
Subordinated debt maturing June 2024 \| Subordinated Debt
Debt Instrument [Line Items]
Trust Preferred Securities				$ 140,000,000
Fixed interest rate				5.00%
Proceeds from debt issuance				$ 139,100,000