XML 47 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1

Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Measurements

Schedule of balance of assets and liabilities which are measured at fair value on a recurring basis

		June 30, 2018
		Level 1			Level 2			Level 3			Total
Assets:
Securities available-for-sale
U.S. Treasury		$	3,876		$	-		$	-		$	3,876
U.S. government agencies			-			12,216			-			12,216
U.S. government agencies mortgage-backed			-			13,407			-			13,407
States and political subdivisions			-			257,663			18,449			276,112
Corporate bonds			-			700			-			700
Collateralized mortgage obligations			-			59,661			1,771			61,432
Asset-backed securities			-			109,263			-			109,263
Collateralized loan obligations			-			66,638			-			66,638
Loans held-for-sale			-			5,206			-			5,206
Mortgage servicing rights			-			-			7,812			7,812
Interest rate swap agreements			-			2,287			-			2,287
Mortgage banking derivatives			-			261			-			261
Total		$	3,876		$	527,302		$	28,032		$	559,210
Liabilities:
Interest rate swap agreements		$	-		$	2,287		$	-		$	2,287
Total		$	-		$	2,287		$	-		$	2,287

		December 31, 2017
		Level 1			Level 2			Level 3			Total
Assets:
Securities available-for-sale
U.S. Treasury		$	3,947		$	-		$	-		$	3,947
U.S. government agencies			-			13,061			-			13,061
U.S. government agencies mortgage-backed			-			12,214			-			12,214
States and political subdivisions			-			263,831			14,261			278,092
Corporate bonds			-			833			-			833
Collateralized mortgage obligations			-			63,671			2,268			65,939
Asset-backed securities			-			112,932			-			112,932
Collateralized loan obligations			-			54,421			-			54,421
Loans held-for-sale			-			4,067			-			4,067
Mortgage servicing rights			-			-			6,944			6,944
Interest rate swap agreements			-			727			-			727
Mortgage banking derivatives			-			238			-			238
Total		$	3,947		$	525,995		$	23,473		$	553,415
Liabilities:
Interest rate swap agreements		$	-		$	2,014		$	-		$	2,014
Total		$	-		$	2,014		$	-		$	2,014

Schedule of changes in Level 3 assets and liabilities measured at fair value on a recurring basis

		Six Months Ended June 30, 2018
		Securities available-for-sale
		Collateralized			States and			Mortgage
		Mortgage			Political			Servicing
		Obligation			Subdivisions			Rights
Beginning balance January 1, 2018		$	2,268		$	14,261		$	6,944
Transfers into Level 3			-			-			-
Transfers out of Level 3			-			-			-
Total gains or losses
Included in earnings (or changes in net assets)			26			-			520
Included in other comprehensive income			31			(551)			-
Purchases, issuances, sales, and settlements
Purchases			-			19,934			-
Issuances			-			-			668
Settlements			(554)			(15,195)			(320)
Sales			-			-			-
Ending balance June 30, 2018		$	1,771		$	18,449		$	7,812

		Six Months Ended June 30, 2017
		Securities available-for-sale
		Collateralized			States and			Mortgage
		Mortgage			Political			Servicing
		Obligation			Subdivisions			Rights
Beginning balance January 1, 2017		$	3,119		$	22,226		$	6,489
Transfers into Level 3			-			-			-
Transfers out of Level 3			-			-			-
Total gains or losses
Included in earnings (or changes in net assets)			23			-			(280)
Included in other comprehensive income			(1)			(289)			-
Purchases, issuances, sales, and settlements
Purchases			-			10,456			-
Issuances			-			-			601
Settlements			(463)			(12,045)			(282)
Sales			-			-			-
Ending balance June 30, 2017		$	2,678		$	20,348		$	6,528

Schedule of quantitative information about level 3 fair value measurements

The following table and commentary presents quantitative and qualitative information about Level 3 fair value measurements as of June 30, 2018:

Weighted

Measured at fair value

Unobservable

Average

on a recurring basis:

Fair Value

Valuation Methodology

Inputs

Range of Input

of Inputs

Mortgage servicing rights

$

7,812

Discounted Cash Flow

Discount Rate

10.0 - 417.6%

10.2

%

Prepayment Speed

7.0 - 68.4%

8.2

%

The following table and commentary presents quantitative and qualitative information about Level 3 fair value measurements as of December 31, 2017:

Weighted

Measured at fair value

Unobservable

Average

on a recurring basis:

Fair Value

Valuation Methodology

Inputs

Range of Input

of Inputs

Mortgage servicing rights

$

6,944

Discounted Cash Flow

Discount Rate

10.0 - 34.3%

10.2

%

Prepayment Speed

7.0 - 68.4%

9.6

%

Schedule of assets measured at fair value on a nonrecurring basis

		June 30, 2018
		Level 1			Level 2			Level 3			Total
Impaired loans1		$	-		$	-		$	8,386		$	8,386
Other real estate owned, net2			-			-			8,912			8,912
Total		$	-		$	-		$	17,298		$	17,298

1 Represents carrying value and related write-downs of loans for which adjustments are substantially based on the appraised value of collateral for collateral-dependent loans; had a carrying amount of $8.9 million and a valuation allowance of $498,000 resulting in an increase of specific allocations within the allowance for loan and lease losses of $90,000 for the six months ended June 30, 2018.

2 OREO is measured at the lower of carrying or fair value less costs to sell, and had a net carrying amount of $8.9 million, which is made up of the outstanding balance of $18.2 million, net of a valuation allowance of $8.3 million and participations of $937,000 at June 30, 2018.

		December 31, 2017
		Level 1			Level 2			Level 3			Total
Impaired loans1		$	-		$	-		$	5,113		$	5,113
Other real estate owned, net2			-			-			8,371			8,371
Total		$	-		$	-		$	13,484		$	13,484

1 Represents carrying value and related write-downs of loans for which adjustments are substantially based on the appraised value of collateral for collateral-dependent loans; had a carrying amount of $5.3 million and a valuation allowance of $144,000, resulting in an increase of specific allocations within the allowance for loan and lease losses of $856,000 for the year December 31, 2017.

2 OREO is measured at the lower of carrying or fair value less costs to sell, and had a net carrying amount of $8.4 million, which is made up of the outstanding balance of $17.5 million, net of a valuation allowance of $8.2 million and participations of $937,000, at December 31, 2017.

X

- Definition

Tabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income, and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset or liability.

+ References

No definition available.

+ Details

Name:	osbc_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock
Namespace Prefix:	osbc_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, applied during the period to each separate class of assets, liabilities, and financial instruments classified in shareholders' equity that are measured on a recurring and/or nonrecurring basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

+ Details

Name:	us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration