Fair Values Of Assets And Liabilities (Narrative) (Detail) (USD $)
|
3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2014
|
Mar. 31, 2014
|
Dec. 31, 2013
|
Jun. 30, 2013
|
Jun. 30, 2014
Municipal Bonds [Member]
|
Mar. 31, 2014
Municipal Bonds [Member]
|
Dec. 31, 2013
Municipal Bonds [Member]
|
Jun. 30, 2013
Municipal Bonds [Member]
|
Mar. 31, 2013
Municipal Bonds [Member]
|
Dec. 31, 2012
Municipal Bonds [Member]
|
Jun. 30, 2014
Equity Securities [Member]
|
Mar. 31, 2014
Equity Securities [Member]
|
Dec. 31, 2013
Equity Securities [Member]
|
Jun. 30, 2013
Equity Securities [Member]
|
Mar. 31, 2013
Equity Securities [Member]
|
Dec. 31, 2012
Equity Securities [Member]
|
Jun. 30, 2014
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2013
Fair Value, Measurements, Recurring [Member]
|
Jun. 30, 2013
Fair Value, Measurements, Recurring [Member]
|
Jun. 30, 2014
Fair Value, Measurements, Recurring [Member]
Municipal Bonds [Member]
|
Dec. 31, 2013
Fair Value, Measurements, Recurring [Member]
Municipal Bonds [Member]
|
Jun. 30, 2013
Fair Value, Measurements, Recurring [Member]
Municipal Bonds [Member]
|
Jun. 30, 2014
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
|
Dec. 31, 2013
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
|
Jun. 30, 2013
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
|
Jun. 30, 2014
Fair Value, Measurements, Nonrecurring [Member]
|
Jun. 30, 2014
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Jun. 30, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Jun. 30, 2014
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Municipal Bonds [Member]
|
Dec. 31, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Municipal Bonds [Member]
|
Jun. 30, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Municipal Bonds [Member]
|
Jun. 30, 2014
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
|
Dec. 31, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
|
Jun. 30, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
|
Jun. 30, 2014
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
Minimum [Member]
|
Jun. 30, 2014
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
Maximum [Member]
|
Jun. 30, 2014
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Equity Securities [Member]
Weighted Average [Member]
|
Jun. 30, 2014
Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
|
Jun. 30, 2014
Level 3 [Member]
Other Real Estate Owned [Member]
Fair Value, Measurements, Nonrecurring [Member]
|
Jun. 30, 2014
Level 3 [Member]
Other Real Estate Owned [Member]
Fair Value, Measurements, Nonrecurring [Member]
Minimum [Member]
|
Jun. 30, 2014
Level 3 [Member]
Other Real Estate Owned [Member]
Fair Value, Measurements, Nonrecurring [Member]
Maximum [Member]
|
Jun. 30, 2014
Estimate of Fair Value Measurement [Member]
|
Dec. 31, 2013
Estimate of Fair Value Measurement [Member]
|
Jun. 30, 2013
Estimate of Fair Value Measurement [Member]
|
Jun. 30, 2014
Valued Using Discounted Cash Flow Model [Member]
|
Jun. 30, 2014
Mortgage Servicing Rights [Member]
|
Mar. 31, 2014
Mortgage Servicing Rights [Member]
|
Dec. 31, 2013
Mortgage Servicing Rights [Member]
|
Jun. 30, 2013
Mortgage Servicing Rights [Member]
|
Mar. 31, 2013
Mortgage Servicing Rights [Member]
|
Dec. 31, 2012
Mortgage Servicing Rights [Member]
|
Jun. 30, 2014
Mortgage Servicing Rights [Member]
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Jun. 30, 2014
Mortgage Servicing Rights [Member]
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Minimum [Member]
|
Jun. 30, 2014
Mortgage Servicing Rights [Member]
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Maximum [Member]
|
Jun. 30, 2014
Mortgage Servicing Rights [Member]
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Weighted Average [Member]
|
||||||
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Available-for-sale Securities | $ 1,824,240,000 | $ 2,176,290,000 | $ 1,843,824,000 | $ 176,107,000 | $ 152,716,000 | $ 150,127,000 | $ 54,852,000 | $ 51,528,000 | $ 49,564,000 | $ 176,107,000 | $ 152,716,000 | $ 150,127,000 | $ 54,852,000 | $ 51,528,000 | $ 49,564,000 | $ 38,053,000 | $ 36,386,000 | $ 32,432,000 | $ 24,152,000 | $ 22,163,000 | $ 22,428,000 | ||||||||||||||||||||||||||||||||||||||||
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 38,053,000 | 39,772,000 | 36,386,000 | 32,432,000 | 32,324,000 | 30,770,000 | 24,152,000 | 23,438,000 | 22,163,000 | 22,428,000 | 24,470,000 | 22,169,000 | 8,227,000 | 8,719,000 | 8,946,000 | 8,636,000 | 7,344,000 | 6,750,000 | |||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Discount Rate | 1.24% | 2.10% | 1.72% | 9.50% | 13.00% | 9.66% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Of Mortgage Servicing Rights | 8,227,000 | 8,946,000 | 8,636,000 | 8,946,000 | 8,636,000 | 8,227,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Prepayment Rate | 11.00% | 16.00% | 12.68% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Remaining contractual principal balance outstanding, mortgage loans held-for-sale | 340,500,000 | 314,900,000 | 539,500,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mortgage loans held-for-sale | 363,627,000 | 332,485,000 | 525,027,000 | 0 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mortgages held for sale, past due 90 days and accruing | 0 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total impaired loans | 137,245,000 | [1] | 162,229,000 | [1] | 190,148,000 | [1] | 72,200,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impaired Loans Fair Value Disclosure | 65,046,000 | 65,046,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Other real estate owned | $ 115,584,000 | $ 115,584,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Inputs, Property Specific Valuation Adjustment | (40.00%) | 55.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Level Three Fair Value Measurements Weighted Average Percentage | 1.72% | (2.81%) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|